Active NPI 1215921358 Individual Practitioner Male Practitioner

Dr. Douglas Allen Dunlap , DO

Internal Medicine • Warren, OH

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Douglas Dunlap, DO is a certified Internal Medicine practicing in Warren, OH. With approximately 45 years of clinical experience since completing medical education in 1981, Dr. Dunlap delivers high-quality medical care to the local community at 667 EASTLAND AVE SE.

Dr. Dunlap accepts Medicare assignment.

Frequently performed procedures and clinical services include subsequent hospital care with moderate levelof medical decision making, if using time, at least, follow-up hospital inpatient care per day, hospital discharge day management. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

667 Eastland Ave Se

Warren, OH 444844503

Telephone 3308414000

Associated Practice Facility / Clinic

🏢 4m Emergency Systems Llc Facility NPI 1932152584

Medicare Profile & Education

Medical School

Other

Graduation Year

1981

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine in Warren, OH

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

45 Yrs +16.8 yrs vs City Avg

City Avg: 28.2 Yrs

State Avg: 26.9 Yrs

Regional Practice Density

45 Specialists

Practicing in Warren, OH (5516 Statewide)

Telehealth Adoption Rate

13.3% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

26.7% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Dunlap (45 Years) 45 Yrs

Warren Specialty Average (28.2 Years) 28.2 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
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	465	123	$100.00	$74.66
99231 Follow-up hospital inpatient care per day, typically 15 minutes	320	83	$75.00	$46.16
99238 Hospital discharge day management, 30 minutes or less	176	129	$100.00	$76.51
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	154	126	$208.80	$164.14
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	38	32	$178.68	$124.01

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	515	112	$100.00	$76.43
99231 Follow-up hospital inpatient care per day, typically 15 minutes	204	65	$75.00	$48.14
99238 Hospital discharge day management, 30 minutes or less	162	108	$100.00	$77.65
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	119	102	$205.00	$167.62
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	62	40	$175.00	$125.81
99239 Hospital discharge day management, more than 30 minutes	14	14	$150.00	$110.26

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	442	115	$100.00	$69.22
99231 Follow-up hospital inpatient care per day, typically 15 minutes	238	62	$75.00	$37.77
99238 Hospital discharge day management, 30 minutes or less	132	104	$100.00	$69.46
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	120	107	$205.00	$192.47
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	43	23	$150.00	$99.65
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	30	26	$175.00	$131.67
99224 Subsequent observation care, typically 15 minutes per day	27	17	$40.00	$38.15
99239 Hospital discharge day management, more than 30 minutes	16	16	$150.00	$101.44

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	635	133	$100.00	$71.41
99231 Follow-up hospital inpatient care per day, typically 15 minutes	232	58	$75.00	$38.17
99238 Hospital discharge day management, 30 minutes or less	154	115	$100.00	$71.32
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	140	117	$205.00	$198.90
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	58	29	$150.00	$102.59
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	52	39	$175.00	$135.25
99213 Established patient office or other outpatient visit, typically 15 minutes	48	42	$86.67	$86.57
99239 Hospital discharge day management, more than 30 minutes	33	30	$150.00	$105.13
99224 Subsequent observation care, typically 15 minutes per day	31	27	$40.00	$38.48
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	18	18	$150.00	$84.00
93016 Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision by physician	15	15	$50.00	$21.82
93018 Exercise or drug-induced heart stress test with electrocardiogram (ecg) with review by physician	15	15	$50.00	$14.53
99220 Hospital observation care, typically 70 minutes	14	14	$200.00	$180.56
99217 Hospital observation care on day of discharge	12	11	$100.00	$71.33

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	641	153	$100.00	$72.07
99231 Follow-up hospital inpatient care per day, typically 15 minutes	285	63	$75.00	$39.26
99238 Hospital discharge day management, 30 minutes or less	180	138	$100.00	$72.19
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	176	151	$205.00	$202.07
99213 Established patient office or other outpatient visit, typically 15 minutes	133	53	$80.00	$72.74
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	81	36	$150.00	$104.13
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	49	44	$175.00	$134.84
99239 Hospital discharge day management, more than 30 minutes	31	30	$150.00	$106.03
83037 Hemoglobin a1c level, by device for home use	19	12	$25.00	$9.68
99224 Subsequent observation care, typically 15 minutes per day	18	17	$40.00	$39.65
G0008 Administration of influenza virus vaccine	17	17	$25.00	$16.01
90756 Vaccine for influenza for injection into muscle	17	17	$25.71	$25.48
99211 Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional	16	12	$30.00	$22.12
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	14	14	$150.00	$75.68

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	906	199	$100.00	$71.68
99231 Follow-up hospital inpatient care per day, typically 15 minutes	511	115	$75.00	$38.86
99238 Hospital discharge day management, 30 minutes or less	269	191	$100.00	$71.64
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	245	203	$205.00	$199.31
99213 Established patient office or other outpatient visit, typically 15 minutes	175	69	$80.00	$71.73
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	103	82	$175.00	$135.03
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	86	43	$150.00	$102.48
99239 Hospital discharge day management, more than 30 minutes	72	66	$150.00	$105.07
99221 Initial hospital inpatient care per day, typically 30 minutes	42	34	$125.00	$100.10
99224 Subsequent observation care, typically 15 minutes per day	24	17	$40.00	$39.18
99220 Hospital observation care, typically 70 minutes	20	19	$200.00	$182.89
99217 Hospital observation care on day of discharge	20	17	$100.00	$71.64
90756 Vaccine for influenza for injection into muscle	19	19	$25.00	$24.50
G0008 Administration of influenza virus vaccine	19	19	$25.00	$15.75
99211 Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional	16	11	$30.00	$21.61
83037 Hemoglobin a1c level, by device for home use	16	13	$25.00	$10.57

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	1,099	232	$100.00	$68.34
99231 Follow-up hospital inpatient care per day, typically 15 minutes	565	122	$75.00	$37.10
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	279	231	$204.82	$192.12
99238 Hospital discharge day management, 30 minutes or less	245	179	$100.00	$68.92
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	186	68	$150.00	$99.08
99213 Established patient office or other outpatient visit, typically 15 minutes	176	82	$80.00	$67.86
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	111	96	$175.00	$129.04
99239 Hospital discharge day management, more than 30 minutes	106	91	$150.00	$101.08
99221 Initial hospital inpatient care per day, typically 30 minutes	36	30	$125.00	$96.52
99220 Hospital observation care, typically 70 minutes	33	29	$200.00	$177.05
83037 Hemoglobin a1c level, by device for home use	28	23	$25.00	$11.75
99224 Subsequent observation care, typically 15 minutes per day	25	17	$40.00	$37.95
93018 Exercise or drug-induced heart stress test with electrocardiogram (ecg) with review by physician	24	23	$50.00	$14.12
93016 Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision by physician	24	23	$50.00	$21.20
G0008 Administration of influenza virus vaccine	23	23	$25.00	$19.30
90756 Vaccine for influenza for injection into muscle	23	23	$25.00	$22.33
99211 Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional	16	13	$30.00	$19.79
99217 Hospital observation care on day of discharge	15	15	$100.00	$69.15

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	1,193	241	$100.00	$68.12
99231 Follow-up hospital inpatient care per day, typically 15 minutes	440	111	$75.00	$37.20
99238 Hospital discharge day management, 30 minutes or less	317	232	$100.00	$68.11
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	269	227	$200.04	$191.30
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	182	63	$150.00	$98.77
99213 Established patient office or other outpatient visit, typically 15 minutes	180	76	$80.00	$67.93
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	103	88	$175.00	$129.63
99239 Hospital discharge day management, more than 30 minutes	51	49	$150.00	$101.27
99221 Initial hospital inpatient care per day, typically 30 minutes	42	34	$125.00	$96.18
J1030 Injection, methylprednisolone acetate, 40 mg	30	11	$8.00	$5.80
99211 Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional	25	14	$30.00	$18.48
99220 Hospital observation care, typically 70 minutes	25	25	$200.00	$175.76
83037 Hemoglobin a1c level, by device for home use	23	13	$25.00	$13.05
93018 Exercise or drug-induced heart stress test with electrocardiogram (ecg) with review by physician	21	21	$50.00	$14.08
93016 Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision by physician	21	21	$50.00	$21.14
90688 Vaccine for influenza for administration into muscle, 0.5 ml dosage	21	21	$25.00	$17.48
G0008 Administration of influenza virus vaccine	20	20	$25.00	$23.76
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	15	11	$35.00	$23.22
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	12	11	$700.00	$130.24
99217 Hospital observation care on day of discharge	12	12	$100.00	$68.62

Medical Specialties & State Licenses

CMS Verified: 2025-05-23

Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

State License OH 34-00-3463

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

0652137 (OH)

Practice Associates & Co-Workers

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

26 Associated Practitioners

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Nurse Practitioner - Critical Care Medicine

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Dr. Georgios Filiadis , DO

Emergency Medicine

NPI 1104877828

Doctor of Osteopathic Medicine (D.O.)

Dr. Andrew Culver , DO

Emergency Medicine

NPI 1124065297

Doctor of Osteopathic Medicine (D.O.)

Dr. Gary Joseph , DO

Emergency Medicine

NPI 1154301893

Doctor of Osteopathic Medicine (D.O.)

Dr. Paul Sebest , DO

Emergency Medicine

NPI 1164409454

Doctor of Osteopathic Medicine (D.O.)

Shannon Luther , ACNPC-AG

Nurse Practitioner - Acute Care

NPI 1205307261

ACNPCAG

Career & Practice History Timeline

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

8 Historical Events

📍

Updated Practice Location May 16, 2024

Registered at 667 EASTLAND AVE SE, WARREN, OH 444844503 (Tel: 3308414000)

📍

Updated Business Mailing Address May 16, 2024

Registered at 1900 HIDDEN LAKES DR NE, WARREN, OH 444844154 (Tel: 3308568109)

✅

NPI Profile Active October 05, 2012

NPI status registered as active in NPPES database

📍

Updated Practice Location October 05, 2012

Registered at 654 YOUNGSTOWN WARREN RD, NILES, OH 444464356 (Tel: 3305448113)

📍

Updated Business Mailing Address October 05, 2012

Registered at 654 YOUNGSTOWN WARREN RD, NILES, OH 444464356 (Tel: 3305448113)

👤

Provider Name / Credentials Updated October 05, 2012

Recorded as DOUGLAS DUNLAP, D.O.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) October 05, 2012

Internal Medicine (License #34-00-3463 in OH)

🟢

Initial NPI Registration & Enumeration September 05, 2005

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: 1215921358

Entity Type:

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

Enumeration Date: September 05, 2005

Last Update: May 23, 2025

Sole Proprietor: Yes

Update or Correct Profile

Mailing Address

1900 Hidden Lakes Dr Ne

Warren, OH 444844154

Phone: 3308568109

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.