Doctor profile · Federal record

Dr. Aashish Dewan, MD

Family Medicine Physician (CMS: Family Practice) · Family Medicine Physician · Family Medicine Physician · Student in an Organized Health Care Education/Training Program · Family Medicine Physician · Olney, MD

  • NPI 1619506979
  • Accepts Medicare
  • 6 yrs in practice
  • Licensed in 4 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 4 locations .

NPPES Updated May 11, 2026
Primary practice
18109 Prince Philip Dr Ste B200
Olney, MD 208321591
(240) 883-9791
Additional location
12220 Rockville Pike
Rockville, MD 208521608
(855) 910-3278
Additional location
400 W 7Th St
Frederick, MD 217014506
(240) 566-3300
Show 1 more location
Additional location
1600 S Andrews Ave
Fort Lauderdale, FL 333162510
(301) 832-7858
Mailing address
11403 Brook Run Dr
Germantown, MD 208766021

Credentials & registration

NPPES · NUCC
NPI registered
April 2020 — 6 yrs on file
Profile last updated
April 11, 2025
Year of graduation
2020 — 6 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State licenses (4)
Maryland #D98444 · District of Columbia #MD600001864 · Florida #156122 · Virginia #0101279871

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1619506979. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
112
Distinct HCPCS
3
Medicare allowed
$13,968
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 77 40 $119
99239 Hospital discharge day management, more than 30 minutes 22 22 $115
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 13 13 $174

In context: peer comparison

Among 2 peers in Olney Family Medicine Physician, average services per provider: 38. This provider delivers 2.9× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$22
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Exact Sciences Corporation 1 $21.84

By nature of payment

Food and Beverage
$22

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Aashish Dewan's medical specialty?
Dr. Aashish Dewan practices Family Medicine Physician in Olney, MD.
Where does Dr. Aashish Dewan practice?
Dr. Aashish Dewan practices at 18109 Prince Philip Dr Ste B200, Olney, MD 208321591. Office phone: 2408839791.
What is Dr. Aashish Dewan's NPI?
Dr. Aashish Dewan's National Provider Identifier (NPI) is 1619506979, issued by NPPES.
Does Dr. Aashish Dewan accept Medicare assignment?
Yes. Dr. Aashish Dewan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Aashish Dewan commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Hospital discharge day management (HCPCS 99239); Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.