Active NPI 1013065267 Individual Practitioner Male Practitioner

Dr. Chike Gregory Onwuka , MD

Internal Medicine • Clinton, MD

✓ Accepts Medicare Assignment Telehealth Available

Professional Overview & Biography Verified Profile Summary

Dr. Chike Onwuka, MD is a certified Internal Medicine practicing in Clinton, MD. With approximately 32 years of clinical experience since completing medical education in 1994, Dr. Onwuka delivers high-quality medical care to the local community at 9135 PISCATAWAY ROAD.

Dr. Onwuka maintains professional affiliations with Suburban/Nrh Medical Rehabilitation Inc, G Medicine Llc and accepts Medicare assignment . Telehealth and virtual consultation options are available for eligible patients.

Frequently performed procedures and clinical services include established patient outpatient office visit, annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit, administration of influenza virus vaccine. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

9135 Piscataway Road
Suite 420

Clinton, MD 20735

Telephone 3018682555

Fax 3018682933

Associated Practice Facility / Clinic

🏢 Arastoo Yazdani Md Pc Facility NPI 1770592446

Medicare Profile & Education

Medical School

Other

Graduation Year

1994

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

Telehealth Services Available

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine in Clinton, MD

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

32 Yrs +9.0 yrs vs City Avg

City Avg: 23.0 Yrs

State Avg: 28.1 Yrs

Regional Practice Density

26 Specialists

Practicing in Clinton, MD (4114 Statewide)

Telehealth Adoption Rate

30.8% Regional Adoption

✓ Offers Virtual Consultations

Medicare Pricing Discount

30.9% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Onwuka (32 Years) 32 Yrs

Clinton Specialty Average (23.0 Years) 23.0 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2024)

Reporting Year:

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	1,874	838	$176.00	$112.62
99213 Established patient office or other outpatient visit, typically 15 minutes	1,594	808	$119.00	$78.95
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	529	529	$188.00	$141.20
G0008 Administration of influenza virus vaccine	148	148	$35.00	$34.30
93000 Routine ekg using at least 12 leads including interpretation and report	122	115	$45.00	$15.85
90653 Vaccine for influenza for injection into muscle	113	113	$80.00	$78.40
99496 Transitional care management services for problem of high complexity	92	82	$390.00	$300.49
99348 Residence visit for established patient with low level of medical decision making, per day, if using time, at least 30 minutes	67	30	$136.00	$81.70
96360 Infusion into a vein for hydration, 31-60 minutes	50	37	$102.00	$35.95
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	47	47	$270.00	$179.43
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	39	16	$43.00	$14.94
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	36	36	$178.00	$123.00
90661 Influenza vaccine, trivalent derived from cell cultures	35	35	$57.00	$34.05
94640 Inhalation treatment for airway obstruction or sputum production	27	21	$32.00	$9.25
J3420 Injection, vitamin b-12 cyanocobalamin, up to 1000 mcg	25	16	$10.00	$1.12
G0402 Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of medicare enrollment	22	22	$262.00	$178.91
99495 Transitional care management services for problem of at least moderate complexity	21	19	$300.00	$227.10
97597 Removal of tissue from wound, 20.0 sq cm or less	16	12	$132.00	$107.49
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	15	14	$235.00	$176.35
99497 Advance care planning, first 30 minutes	14	14	$120.00	$88.64
69210 Removal of impacted ear wax	14	13	$88.00	$53.08

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	1,953	869	$176.00	$124.74
99213 Established patient office or other outpatient visit, typically 15 minutes	1,510	758	$119.00	$87.81
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	511	511	$188.22	$144.52
G0008 Administration of influenza virus vaccine	159	157	$35.00	$34.30
90686 Vaccine for influenza for administration into muscle, 0.5 ml dosage	150	150	$35.00	$21.76
93000 Routine ekg using at least 12 leads including interpretation and report	76	73	$45.00	$16.36
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	67	67	$270.00	$186.98
99496 Transitional care management services for problem of high complexity	58	53	$390.00	$312.52
99348 Residence visit for established patient with low level of medical decision making, per day, if using time, at least 30 minutes	55	29	$136.00	$83.21
97597 Removal of tissue from wound, 20.0 sq cm or less	55	20	$132.00	$115.97
96360 Infusion into a vein for hydration, 31-60 minutes	40	31	$102.00	$37.23
94640 Inhalation treatment for airway obstruction or sputum production	34	29	$32.00	$10.95
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	33	33	$178.00	$123.71
99495 Transitional care management services for problem of at least moderate complexity	26	26	$300.00	$230.82
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	26	16	$43.00	$15.63
J3420 Injection, vitamin b-12 cyanocobalamin, up to 1000 mcg	21	16	$10.00	$1.39
69210 Removal of impacted ear wax	19	19	$92.63	$54.43
0124A Fee covid-19 vac 13 res	18	18	$50.00	$46.19
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	18	18	$235.00	$177.22
91312 Coronavirus vaccine 13	18	18	$50.00	$0.01
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	17	17	$73.00	$53.80
G0402 Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of medicare enrollment	14	14	$262.00	$184.82

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	2,550	1,035	$175.98	$138.29
99213 Established patient office or other outpatient visit, typically 15 minutes	1,316	711	$119.00	$98.02
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	386	386	$188.00	$149.31
G0008 Administration of influenza virus vaccine	174	164	$35.00	$34.38
90688 Vaccine for influenza for administration into muscle, 0.5 ml dosage	170	160	$40.00	$19.93
0013A Adm sarscov2 100mcg/0.5ml3rd	130	123	$75.00	$45.94
93000 Routine ekg using at least 12 leads including interpretation and report	113	102	$45.00	$16.16
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	103	103	$270.00	$189.01
99496 Transitional care management services for problem of high complexity	97	83	$390.00	$315.16
97597 Removal of tissue from wound, 20.0 sq cm or less	93	31	$132.00	$121.00
97598 Removal of tissue from wound, each additional 20.0 sq cm	77	24	$43.00	$42.05
96360 Infusion into a vein for hydration, 31-60 minutes	45	37	$102.00	$39.88
99348 Residence visit for established patient with low level of medical decision making, per day, if using time, at least 30 minutes	43	24	$136.00	$91.97
94640 Inhalation treatment for airway obstruction or sputum production	39	31	$32.00	$13.62
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	32	32	$178.00	$126.40
0124A Fee covid-19 vac 13 res	31	31	$50.00	$45.78
69210 Removal of impacted ear wax	27	27	$114.07	$53.97
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	26	26	$235.00	$184.94
G0402 Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of medicare enrollment	22	22	$262.00	$191.09
99495 Transitional care management services for problem of at least moderate complexity	18	17	$300.00	$226.82
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	12	12	$334.00	$254.46

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	2,576	998	$176.00	$148.37
99213 Established patient office or other outpatient visit, typically 15 minutes	1,286	707	$119.00	$104.53
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	489	489	$188.00	$153.25
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	183	183	$270.00	$192.17
G0008 Administration of influenza virus vaccine	159	156	$35.00	$20.05
90688 Vaccine for influenza for administration into muscle, 0.5 ml dosage	143	143	$40.00	$19.63
G0444 Annual depression screening, 5 to 15 minutes	135	135	$30.00	$22.01
0013A Adm sarscov2 100mcg/0.5ml3rd	117	116	$75.00	$47.10
99496 Transitional care management services for problem of high complexity	113	103	$390.00	$317.91
93000 Routine ekg using at least 12 leads including interpretation and report	103	96	$45.00	$17.51
0011A Adm sarscov2 100mcg/0.5ml1st	65	63	$75.00	$47.10
0012A Adm sarscov2 100mcg/0.5ml2nd	61	61	$75.00	$47.10
96360 Infusion into a vein for hydration, 31-60 minutes	55	50	$102.00	$43.29
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	44	40	$235.00	$209.06
99406 Smoking and tobacco use intermediate counseling, greater than 3 minutes up to 10 minutes	34	30	$23.00	$17.39
G0402 Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of medicare enrollment	30	30	$262.00	$191.17
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	29	29	$178.00	$130.74
99442 Telephone medical discussion with physician, 11-20 minutes	23	22	$95.00	$95.00
94640 Inhalation treatment for airway obstruction or sputum production	21	15	$32.00	$17.70
99495 Transitional care management services for problem of at least moderate complexity	17	17	$300.00	$239.73
69210 Removal of impacted ear wax	13	13	$88.00	$56.26
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	13	13	$334.00	$255.71
90686 Vaccine for influenza for administration into muscle, 0.5 ml dosage	12	12	$35.00	$20.53
96127 Assessment of emotional or behavioral problems	11	11	$21.82	$2.20

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	2,316	884	$176.00	$123.45
99213 Established patient office or other outpatient visit, typically 15 minutes	1,090	591	$119.00	$85.19
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	459	459	$188.00	$133.37
G0008 Administration of influenza virus vaccine	203	198	$35.00	$19.43
90674 Influenza vaccine, quadrivalent derived from cell cultures, preservative and antibiotic free	193	192	$35.00	$28.78
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	121	121	$270.00	$184.61
99496 Transitional care management services for problem of high complexity	83	76	$390.00	$279.45
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	82	71	$235.00	$165.38
G2012 Brief communication technology-based service, e.g. virtual check-in, by a physician or other qualified health care professional who can report evaluation and management services, provided to an established patient, not originating from a related e/m servic	75	65	$50.00	$16.36
93000 Routine ekg using at least 12 leads including interpretation and report	61	57	$45.00	$19.71
96360 Infusion into a vein for hydration, 31-60 minutes	47	37	$102.00	$41.19
99406 Smoking and tobacco use intermediate counseling, greater than 3 minutes up to 10 minutes	45	37	$23.00	$17.40
G0402 Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of medicare enrollment	25	25	$262.00	$190.20
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	24	24	$334.00	$236.93
99442 Telephone medical discussion with physician, 11-20 minutes	21	18	$95.00	$87.12
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	20	20	$178.00	$119.52
G0396 Alcohol and/or substance (other than tobacco) misuse structured assessment (e.g., audit, dast), and brief intervention 15 to 30 minutes	17	13	$57.00	$41.01
94640 Inhalation treatment for airway obstruction or sputum production	16	16	$32.00	$21.93
99495 Transitional care management services for problem of at least moderate complexity	15	15	$300.00	$213.45
90686 Vaccine for influenza for administration into muscle, 0.5 ml dosage	13	13	$35.00	$18.94

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	1,904	785	$176.00	$121.20
99213 Established patient office or other outpatient visit, typically 15 minutes	1,655	694	$119.00	$83.90
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	469	469	$188.00	$131.03
99490 Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month	337	85	$70.00	$46.65
90686 Vaccine for influenza for administration into muscle, 0.5 ml dosage	287	279	$35.00	$18.46
G0008 Administration of influenza virus vaccine	283	275	$35.00	$19.06
93000 Routine ekg using at least 12 leads including interpretation and report	125	115	$45.00	$19.62
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	111	111	$270.00	$185.10
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	103	89	$235.00	$163.70
99496 Transitional care management services for problem of high complexity	46	44	$390.00	$261.70
96360 Infusion into a vein for hydration, 31-60 minutes	38	31	$102.00	$44.81
G0402 Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of medicare enrollment	35	35	$262.00	$186.16
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	34	34	$334.00	$231.51
94640 Inhalation treatment for airway obstruction or sputum production	23	18	$32.00	$21.87
G0506 Comprehensive assessment of and care planning for patients requiring chronic care management services (list separately in addition to primary monthly care management service)	20	20	$110.00	$70.54
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	14	14	$178.00	$123.84

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	1,780	644	$119.00	$79.85
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	1,314	629	$176.00	$116.80
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	457	457	$188.00	$128.51
G0008 Administration of influenza virus vaccine	144	143	$35.00	$23.72
93000 Routine ekg using at least 12 leads including interpretation and report	134	123	$45.00	$19.04
90686 Vaccine for influenza for administration into muscle, 0.5 ml dosage	133	133	$35.00	$18.65
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	132	132	$270.00	$178.22
99490 Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month	93	58	$70.00	$45.87
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	65	59	$235.00	$156.80
99348 Residence visit for established patient with low level of medical decision making, per day, if using time, at least 30 minutes	51	31	$136.00	$90.44
99496 Transitional care management services for problem of high complexity	46	39	$390.00	$256.22
G0402 Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of medicare enrollment	38	38	$262.00	$181.66
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	38	11	$73.00	$48.98
96360 Infusion into a vein for hydration, 31-60 minutes	26	22	$102.00	$53.88
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	18	18	$334.00	$226.33
94640 Inhalation treatment for airway obstruction or sputum production	13	11	$32.00	$22.09
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	11	11	$178.00	$111.69

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	1,996	647	$119.00	$79.17
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	1,195	540	$176.00	$115.75
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	394	394	$188.00	$125.77
93000 Routine ekg using at least 12 leads including interpretation and report	123	109	$45.00	$18.65
G0008 Administration of influenza virus vaccine	113	105	$35.00	$29.60
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	105	105	$270.00	$178.46
90674 Influenza vaccine, quadrivalent derived from cell cultures, preservative and antibiotic free	98	98	$35.00	$23.33
99496 Transitional care management services for problem of high complexity	73	64	$390.00	$251.73
99348 Residence visit for established patient with low level of medical decision making, per day, if using time, at least 30 minutes	59	29	$136.00	$90.03
96360 Infusion into a vein for hydration, 31-60 minutes	52	43	$102.00	$66.11
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	40	38	$235.00	$153.06
94640 Inhalation treatment for airway obstruction or sputum production	35	24	$32.00	$21.40
99495 Transitional care management services for problem of at least moderate complexity	35	32	$300.00	$178.28
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	32	22	$73.00	$47.13
G0402 Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of medicare enrollment	29	29	$262.00	$178.12
99349 Residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes	23	16	$204.00	$137.24
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	22	22	$334.00	$213.10
90656 Vaccine for influenza for administration into muscle, 0.5 ml dosage	17	17	$35.00	$17.55
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	16	16	$178.00	$119.16

Medical Specialties & State Licenses

CMS Verified: 2021-10-04

Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

State License MD D0064986

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID

7600 (MD)

Commercial Insurance / Payer ID Railroad Medicare

P00856604 (DC)

Hospital & Practice Group Affiliations

G Medicine Llc

9000 Woody Terrace, Clinton, MD 207354254

Phone: 3018682555

Suburban/nrh Medical Rehabilitation Inc

6410 Rockledge Dr, Bethesda, MD 208171844

G Medicine Llc

9000 Woody Ter, Clinton, MD 207354254

Phone: 3018682555

Suburban/nrh Medical Rehabilitation Inc

6410 Rockledge Dr, Bethesda, MD 208171844

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

2 Associated Practitioners

Mary Proctor , CRNP

Nurse Practitioner - Family

NPI 1144779158

Certified Registered Nurse Practitioner

Aldene Doyle , FNP

Nurse Practitioner - Family

NPI 1215551122

Family Nurse Practitioner

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

6 Historical Events

✅

NPI Profile Active March 21, 2012

NPI status registered as active in NPPES database

📍

Updated Practice Location March 21, 2012

Registered at 9135 PISCATAWAY ROAD, SUITE 420, CLINTON, MD 20735 (Tel: 3018682555)

📍

Updated Business Mailing Address March 21, 2012

Registered at 9135 PISCATAWAY ROAD, SUITE 420, CLINTON, MD 20735 (Tel: 3018682555)

👤

Provider Name / Credentials Updated March 21, 2012

Recorded as CHIKE ONWUKA, M.D.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) March 21, 2012

Internal Medicine (License #D0064986 in MD)

🟢

Initial NPI Registration & Enumeration January 06, 2007

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1013065267

Entity Type:

Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)

Enumeration Date: January 06, 2007

Last Update: October 04, 2021

Sole Proprietor: Yes

Update or Correct Profile

Mailing Address

9135 Piscataway Road, Suite 420

Clinton, MD 20735

Phone: 3018682555

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).

⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.