Active NPI 1629291000 Individual Practitioner Male Practitioner

Dr. Armin Marefat , DO

Internal Medicine • Wilmington, DE

✓ Accepts Medicare Assignment Telehealth Available

Professional Overview & Biography Verified Profile Summary

Dr. Armin Marefat, DO is a certified Internal Medicine practicing in Wilmington, DE. With approximately 21 years of clinical experience since graduating from Philadelphia College Of Osteopathic Medicine in 2005, Dr. Marefat delivers high-quality medical care to the local community at 501 W 14TH ST.

Dr. Marefat maintains professional affiliations with Value In Prevention Of Delaware Llc, Fairway Physical Therapy Llc, Ent And Allergy Of Delaware 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, new patient outpatient office visit, biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

501 W 14th St

Wilmington, DE 198011013

Telephone 3024284411

Associated Practice Facility / Clinic

🏢 Christiana Care Health Services Inc Facility NPI 1962486290

Medicare Profile & Education

Medical School

Philadelphia College Of Osteopathic Medicine

Graduation Year

2005

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

Telehealth Services Available

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine in Wilmington, DE

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

21 Yrs -6.1 yrs vs City Avg

City Avg: 27.1 Yrs

State Avg: 25.8 Yrs

Regional Practice Density

119 Specialists

Practicing in Wilmington, DE (625 Statewide)

Telehealth Adoption Rate

27.7% Regional Adoption

✓ Offers Virtual Consultations

Medicare Pricing Discount

70.0% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Marefat (21 Years) 21 Yrs

Wilmington Specialty Average (27.1 Years) 27.1 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
99213 Established patient office or other outpatient visit, typically 15 minutes	171	102	$218.48	$90.62
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	113	113	$418.12	$161.07
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	87	83	$459.39	$103.70
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	79	67	$313.71	$126.34
45380 Biopsy of large bowel using an endoscope	46	46	$786.60	$131.02
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	36	36	$278.45	$111.61
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	27	27	$949.44	$251.92
95117 Professional service for multiple injections of allergen	25	25	$30.50	$12.10
99231 Follow-up hospital inpatient care per day, typically 15 minutes	20	12	$85.00	$49.69
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	13	12	$120.00	$58.08

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
45380 Biopsy of large bowel using an endoscope	129	129	$875.00	$103.19
99213 Established patient office or other outpatient visit, typically 15 minutes	117	83	$185.00	$94.50
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	105	105	$645.00	$89.56
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	96	96	$1025.00	$262.43
99231 Follow-up hospital inpatient care per day, typically 15 minutes	73	47	$85.00	$51.99
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	56	47	$270.00	$134.58
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	50	32	$120.00	$81.57
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	44	44	$410.00	$175.48
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	37	37	$270.00	$118.57
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	26	26	$240.00	$136.05
99221 Initial hospital inpatient care per day, typically 30 minutes	17	17	$150.00	$87.14
43249 Balloon dilation of esophagus using an endoscope	14	13	$440.00	$122.51
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	13	12	$120.00	$59.89

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	505	323	$153.00	$92.52
45380 Biopsy of large bowel using an endoscope	99	99	$917.11	$164.33
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	61	56	$805.26	$97.84
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	48	48	$339.00	$170.79
91110 Imaging of digestive tract done from the inside of the digestive tract	39	39	$1683.69	$824.29
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	32	32	$224.00	$131.27
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	27	27	$952.70	$259.54
99441 Telephone medical discussion with physician, 5-10 minutes	14	13	$93.00	$57.93
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	13	13	$224.00	$115.14

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	507	312	$153.00	$93.99
45380 Biopsy of large bowel using an endoscope	193	193	$890.00	$140.94
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	84	81	$781.00	$90.41
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	80	80	$929.00	$259.04
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	56	56	$339.00	$173.32
91110 Imaging of digestive tract done from the inside of the digestive tract	46	45	$1793.00	$914.27
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	27	27	$224.00	$134.11
99441 Telephone medical discussion with physician, 5-10 minutes	22	22	$93.00	$58.04
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	22	22	$224.00	$116.09
45380 Biopsy of large bowel using an endoscope	15	15	$890.00	$156.54
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	13	13	$781.00	$78.75

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	507	312	$153.00	$76.44
45380 Biopsy of large bowel using an endoscope	195	193	$883.35	$136.33
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	90	88	$773.18	$102.30
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	78	78	$924.37	$267.68
91110 Imaging of digestive tract done from the inside of the digestive tract	44	44	$1722.64	$883.22
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	35	35	$339.00	$170.58
99441 Telephone medical discussion with physician, 5-10 minutes	25	23	$77.40	$42.81
99442 Telephone medical discussion with physician, 11-20 minutes	21	21	$125.29	$71.66
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	15	15	$224.00	$111.00
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	14	14	$224.00	$113.19
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	13	12	$778.54	$88.89
45380 Biopsy of large bowel using an endoscope	11	11	$885.64	$106.23

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	596	364	$165.73	$75.94
45380 Biopsy of large bowel using an endoscope	227	227	$648.52	$148.40
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	96	94	$556.46	$104.46
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	86	85	$738.37	$269.43
91110 Imaging of digestive tract done from the inside of the digestive tract	66	63	$1709.91	$893.31
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	39	39	$340.23	$162.04
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	39	39	$224.00	$111.44
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	21	21	$534.24	$84.45
45380 Biopsy of large bowel using an endoscope	21	21	$687.90	$124.78
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	16	16	$223.00	$111.60

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	679	418	$176.00	$73.48
45380 Biopsy of large bowel using an endoscope	178	178	$678.42	$146.42
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	77	75	$369.42	$99.09
91110 Imaging of digestive tract done from the inside of the digestive tract	63	62	$1768.76	$868.73
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	59	59	$727.59	$270.48
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	45	45	$339.84	$164.87
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	38	38	$224.00	$110.32
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	19	19	$370.47	$90.92
45380 Biopsy of large bowel using an endoscope	16	16	$646.44	$127.49

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	603	369	$164.70	$73.64
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	194	82	$148.44	$71.46
45380 Biopsy of large bowel using an endoscope	189	188	$841.03	$134.00
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	99	97	$579.05	$94.49
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	79	79	$953.10	$270.13
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	77	75	$417.83	$203.56
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	70	70	$339.43	$162.95
91110 Imaging of digestive tract done from the inside of the digestive tract	65	64	$1797.20	$810.76
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	46	46	$223.41	$110.50
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	38	37	$624.16	$75.78
45380 Biopsy of large bowel using an endoscope	30	30	$881.50	$157.22
43255 Control of bleeding of esophagus, stomach, and/or upper small bowel using a flexible endoscope	19	18	$1226.05	$176.42
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	16	16	$221.06	$109.21
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	13	13	$90.00	$44.38

Medical Specialties & State Licenses

Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

State License DE C7-0003221

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.

Hospital & Practice Group Affiliations

Ent And Allergy Of Delaware Llc

700 Prides Xing, Newark, DE 197136109

Phone: 3029980300

Value In Prevention Of Delaware Llc

1806 N Van Buren St, Wilmington, DE 198023851

Phone: 3026523771

Fairway Physical Therapy Llc

7100 Fairway Dr, Palm Beach Gardens, FL 334183778

Phone: 5617757775

Fairway Physical Therapy Llc

7100 Fairway Dr, Palm Beach Gardens, FL 334183778

Phone: 5617757775

Practice Associates & Co-Workers

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

6 Associated Practitioners

Dr. Melissa Morgan-Gouveia , MD

Internal Medicine

NPI 1023278694

Doctor of Medicine (M.D.)

Dr. Leroi Hicks , MD, MPH

Internal Medicine

NPI 1083665806

Doctor of Medicine (M.D.), Master of Public Health

Dr. J. Daniel Hess , MD

Internal Medicine

NPI 1265666325

Doctor of Medicine (M.D.)

Dr. Poonam Maru , DO, FACP

Internal Medicine

NPI 1780974329

Doctor of Osteopathic Medicine (D.O.), FACP

Dr. Patricia Curtin , MD

Internal Medicine

NPI 1790867661

Doctor of Medicine (M.D.)

Dr. Neeta Milasincic , MD

Internal Medicine

NPI 1972682722

Doctor of Medicine (M.D.)

Career & Practice History Timeline

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

6 Historical Events

✅

NPI Profile Active July 08, 2007

NPI status registered as active in NPPES database

📍

Updated Practice Location July 08, 2007

Registered at 501 W 14TH ST, WILMINGTON, DE 198011013 (Tel: 3024284411)

📍

Updated Business Mailing Address July 08, 2007

Registered at 243 E GREEN VALLEY CIR, NEWARK, DE 197118709 (Tel: 3024531823)

👤

Provider Name / Credentials Updated July 08, 2007

Recorded as ARMIN MAREFAT, D.O.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) July 08, 2007

Internal Medicine (License #C7-0003221 in DE)

🟢

Initial NPI Registration & Enumeration April 11, 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: 1629291000

Entity Type:

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

Enumeration Date: April 11, 2007

Last Update: July 08, 2007

Sole Proprietor: Yes

Update or Correct Profile

Mailing Address

243 E Green Valley Cir

Newark, DE 197118709

Phone: 3024531823

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.