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Active NPI 1588602593 Individual Practitioner Male Practitioner

Dr. Abdullah Riar , MD

Internal Medicine • Silver Spring, MD

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Abdullah Riar, MD is a certified Internal Medicine practicing in Silver Spring, MD. With approximately 46 years of clinical experience since completing medical education in 1980, Dr. Riar delivers high-quality medical care to the local community at 1299 LAMBERTON DR.

Dr. Riar maintains professional affiliations with Emergency Medicine Associates P.A., P.C., Galen Inpatient Physicians Pc and accepts Medicare assignment.

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

Practice Location & Contact Primary Location

Practice Address

1299 Lamberton Dr

Silver Spring, MD 209023411

Telephone 3016496100
Fax 3016491920
Associated Practice Facility / Clinic
🏢 Riar & Altschuler,md, P.a. Facility NPI 1598703670

Medicare Profile & Education

Medical School

Other

Graduation Year

1980

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine in Silver Spring, MD

Senior Veteran Specialist (>20 Yrs)
Practitioner Clinical Experience
46 Yrs +18.1 yrs vs City Avg
City Avg: 27.9 Yrs
State Avg: 28.1 Yrs
Regional Practice Density
196 Specialists

Practicing in Silver Spring, MD (4114 Statewide)

Telehealth Adoption Rate
20.4% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
87.8% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Riar (46 Years) 46 Yrs
Silver Spring Specialty Average (27.9 Years) 27.9 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
286 207 $687.08 $82.61
99239 Hospital discharge day management, more than 30 minutes
30 30 $978.32 $118.89
99231 Follow-up hospital inpatient care per day, typically 15 minutes
27 22 $373.86 $52.12
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes
13 11 $993.58 $116.46

Medical Specialties & State Licenses

Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

State License MD D0034765

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

Emergency Medicine Associates P.a., P.c.

200 Memorial Ave, Westminster, MD 211575726

Phone: 4108716700

Galen Inpatient Physicians Pc

19801 Observation Dr, Germantown, MD 208764070

Phone: 3015575928

Practice Associates & Co-Workers

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

1 Associated Practitioners
NPI 1568400497

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 1299 LAMBERTON DR, SILVER SPRING, MD 209023411 (Tel: 3016496100)

📍
Updated Business Mailing Address July 08, 2007

Registered at 1299 LAMBERTON DR, SILVER SPRING, MD 209023411 (Tel: 3016496100)

👤
Provider Name / Credentials Updated July 08, 2007

Recorded as ABDULLAH RIAR, M.D.

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

Internal Medicine (License #D0034765 in MD)

🟢
Initial NPI Registration & Enumeration June 02, 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: 1588602593
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: June 02, 2006
Last Update: July 13, 2026
Sole Proprietor: No

Mailing Address

1299 Lamberton Dr

Silver Spring, MD 209023411

Phone: 3016496100

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.