Active NPI 1164471223 Individual Practitioner Male Practitioner

Dr. Mark David Allison , MD

Internal Medicine • Riverside, CA

Professional Overview & Biography Verified Profile Summary

Dr. Mark Allison, MD is a registered healthcare professional specializing in Internal Medicine in Riverside, CA. Practice services are available at 4100 CENTRAL AVE under active NPI credentials.

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, chronic care management services, first. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

4100 Central Ave
Suite 106

Riverside, CA 925062933

Telephone 9517888332

Fax 9517886380

Associated Practice Facility / Clinic

🏢 Mark D Allison Md A Professional Corp Facility NPI 1962524538

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine in Riverside, CA

Active Practitioner

Practitioner Clinical Experience

Active

City Avg: 20.2 Yrs

State Avg: 26.6 Yrs

Regional Practice Density

193 Specialists

Practicing in Riverside, CA (18502 Statewide)

Telehealth Adoption Rate

20.2% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

36.9% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2022)

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	232	148	$177.00	$134.32
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	91	91	$200.00	$136.89
99213 Established patient office or other outpatient visit, typically 15 minutes	63	50	$113.00	$91.14
99490 Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month	28	28	$150.00	$66.52
99496 Transitional care management services for problem of high complexity	21	19	$486.00	$291.65
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	17	16	$256.00	$189.09
93000 Routine ekg using at least 12 leads including interpretation and report	15	14	$70.00	$15.06
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	12	12	$291.00	$175.97

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	326	193	$177.00	$135.15
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	134	134	$200.00	$139.01
99213 Established patient office or other outpatient visit, typically 15 minutes	72	57	$113.00	$90.02
99490 Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month	63	59	$149.21	$42.65
G0008 Administration of influenza virus vaccine	56	56	$80.00	$17.92
90674 Influenza vaccine, quadrivalent derived from cell cultures, preservative and antibiotic free	54	54	$81.11	$29.93
99496 Transitional care management services for problem of high complexity	37	33	$486.00	$286.25
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	24	22	$256.00	$190.15

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	307	173	$177.00	$114.00
99490 Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month	211	151	$150.00	$43.93
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	147	147	$200.00	$123.55
99213 Established patient office or other outpatient visit, typically 15 minutes	95	72	$113.00	$73.46
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	85	73	$256.00	$154.87
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	72	11	$160.00	$109.78
90756 Vaccine for influenza for injection into muscle	65	64	$100.00	$27.70
G0008 Administration of influenza virus vaccine	63	62	$80.00	$17.75
99496 Transitional care management services for problem of high complexity	39	36	$486.26	$255.91
69210 Removal of impacted ear wax	14	13	$60.00	$51.17
G0108 Diabetes outpatient self-management training services, individual, per 30 minutes	13	12	$150.00	$59.44
99239 Hospital discharge day management, more than 30 minutes	11	11	$125.00	$112.94

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99490 Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month	487	246	$150.00	$43.43
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	348	202	$177.00	$113.30
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	156	156	$200.00	$121.53
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	129	101	$256.00	$150.12
99213 Established patient office or other outpatient visit, typically 15 minutes	115	77	$113.00	$77.36
90756 Vaccine for influenza for injection into muscle	83	81	$100.00	$25.63
G0008 Administration of influenza virus vaccine	79	78	$80.00	$17.39
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	77	24	$160.00	$107.33
99496 Transitional care management services for problem of high complexity	47	37	$486.01	$238.09
99239 Hospital discharge day management, more than 30 minutes	29	25	$125.00	$111.21
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	21	19	$300.00	$208.78
93000 Routine ekg using at least 12 leads including interpretation and report	18	18	$70.00	$17.93
69210 Removal of impacted ear wax	12	11	$60.00	$49.64

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99490 Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month	562	247	$149.52	$43.53
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	377	209	$177.00	$111.25
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	159	159	$200.00	$121.20
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	149	97	$256.00	$150.18
99213 Established patient office or other outpatient visit, typically 15 minutes	119	83	$113.00	$73.77
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	102	25	$160.00	$106.50
G0008 Administration of influenza virus vaccine	77	77	$80.00	$21.52
90756 Vaccine for influenza for injection into muscle	58	58	$100.00	$22.33
99496 Transitional care management services for problem of high complexity	48	37	$486.00	$241.39
99239 Hospital discharge day management, more than 30 minutes	35	29	$125.00	$110.77
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	29	24	$300.00	$207.05
G0438 Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit	21	21	$200.00	$177.72
69210 Removal of impacted ear wax	17	16	$60.00	$50.41
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	17	17	$370.00	$212.99
93000 Routine ekg using at least 12 leads including interpretation and report	13	12	$70.00	$17.66
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	11	11	$291.00	$170.26
90674 Influenza vaccine, quadrivalent derived from cell cultures, preservative and antibiotic free	11	11	$81.82	$23.57

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99490 Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month	419	210	$151.60	$43.60
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	371	209	$177.00	$110.33
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	151	151	$200.00	$118.39
99213 Established patient office or other outpatient visit, typically 15 minutes	141	72	$113.00	$73.14
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	136	89	$256.00	$148.40
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	94	21	$160.00	$106.28
Q2037 Influenza virus vaccine, split virus, when administered to individuals 3 years of age and older, for intramuscular use (fluvirin)	82	78	$100.00	$17.24
G0008 Administration of influenza virus vaccine	82	78	$71.22	$26.83
99496 Transitional care management services for problem of high complexity	29	24	$474.41	$236.48
99239 Hospital discharge day management, more than 30 minutes	26	23	$125.00	$106.84
69210 Removal of impacted ear wax	18	15	$60.00	$49.57
93000 Routine ekg using at least 12 leads including interpretation and report	15	13	$70.00	$17.68
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	12	12	$300.00	$206.29
G0108 Diabetes outpatient self-management training services, individual, per 30 minutes	12	11	$150.00	$54.99

Medical Specialties & State Licenses

Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

State License CA C50568

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.

Practice Associates & Co-Workers

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

3 Associated Practitioners

Catherine Chao , NP

Nurse Practitioner

NPI 1215764428

Nurse Practitioner

Dr. Keith Stottlemyer , MD

Internal Medicine - Pulmonary Disease

NPI 1578588034

Doctor of Medicine (M.D.)

Jacqueline Aparicio , NURSE PRACTITIONER

Nurse Practitioner

NPI 1760248207

NURSEPRACTITIONER

Career & Practice History Timeline

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

6 Historical Events

✅

NPI Profile Active October 07, 2014

NPI status registered as active in NPPES database

📍

Updated Practice Location October 07, 2014

Registered at 4100 CENTRAL AVE, SUITE 106, RIVERSIDE, CA 925062933 (Tel: 9517888332)

📍

Updated Business Mailing Address October 07, 2014

Registered at 4100 CENTRAL AVE, SUITE 106, RIVERSIDE, CA 925062933 (Tel: 9517888332)

👤

Provider Name / Credentials Updated October 07, 2014

Recorded as MARK ALLISON, M.D.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) October 07, 2014

Internal Medicine (License #C50568 in CA)

🟢

Initial NPI Registration & Enumeration May 08, 2006

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: 1164471223

Entity Type:

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

Enumeration Date: May 08, 2006

Last Update: October 07, 2014

Sole Proprietor: Yes

Update or Correct Profile

Mailing Address

4100 Central Ave, Suite 106

Riverside, CA 925062933

Phone: 9517888332

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.