Doctor profile · Federal record

Dr. Ashutosh Diwan, MD

Family Medicine Physician (CMS: Family Practice) · Addiction Medicine (Family Medicine) Physician · Family Medicine Physician · Warrenton, VA

  • NPI 1144214958
  • Accepts Medicare
  • 28 yrs in practice
  • Licensed in 3 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
493 Blackwell RD, Suite 202
Warrenton, VA 201862639
(540) 347-4400
fax (540) 341-4766
Additional location
8350 State Route 30
Dittmer, MO 630231909
(636) 707-2097
Mailing address
Po Box 748613
Atlanta, GA 303848613

Credentials & registration

NPPES · NUCC
NPI registered
September 2005 — 21 yrs on file
Profile last updated
November 5, 2024
Year of graduation
1998 — 28 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State licenses (3)
Virginia #0101229792 · Missouri #2023001690 · Kansas #0429558
Medicaid
KS #100450570 D

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1144214958. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
4,521
Distinct HCPCS
10
Medicare allowed
$237,084
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 1,324 561 $120
36415 Insertion of needle into vein for collection of blood sample 327 203 $8
J0696 Injection, ceftriaxone sodium, per 250 mg 293 70 $0
99213 Established patient office or other outpatient visit, 20-29 minutes 220 185 $90
81003 Automated urinalysis test 213 180 $2
87804 Detection test by immunoassay with direct visual observation for influenza virus 211 98 $16
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 207 152 $8
80053 Blood test, comprehensive group of blood chemicals 179 135 $10
96372 Injection of drug or substance under skin or into muscle 166 126 $14
84443 Blood test, thyroid stimulating hormone (tsh) 133 117 $16

In context: peer comparison

Among 4 peers in this city , average services per provider: 170. This provider delivers 27× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$596
Transactions
36
Manufacturers
13
Payer (manufacturer) Industry Txns Amount
ABBVIE INC. 14 $176.22
Braeburn Inc. 4 $98.26
PFIZER INC. 4 $72.88
Lilly USA, LLC 3 $50.83
Collegium Pharmaceutical, Inc. 2 $40.88
Lundbeck LLC 2 $29.70
Otsuka America Pharmaceutical, Inc. 1 $27.59
Axsome Therapeutics, Inc. 1 $21.57
SCILEX PHARMACEUTICALS INC. 1 $18.40
Novo Nordisk Inc 1 $16.75
Forte Bio-Pharma LLC 1 $16.54
Tolmar, Inc. 1 $13.40
Exact Sciences Corporation 1 $13.29

By nature of payment

Food and Beverage
$596

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,722
Patients
565
Total drug cost
$102,997
Drug Type Claims Patients Total cost
Oxycodone-Acetaminophen (Oxycodone Hcl/Acetaminophen) Brand 363 53 $11,804
Buprenorphine-Naloxone (Buprenorphine Hcl/Naloxone Hcl) Brand 354 46 $52,611
Oxycodone Hcl Generic 326 55 $7,342
Gabapentin Generic 245 50 $5,254
Levothyroxine Sodium Generic 186 39 $2,198
Atorvastatin Calcium Generic 185 52 $1,900
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 174 48 $4,298
Amlodipine Besylate Generic 136 38 $1,061
Tizanidine Hcl Generic 122 30 $2,289
Pantoprazole Sodium Generic 116 30 $1,753

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Ashutosh Diwan's medical specialty?
Dr. Ashutosh Diwan practices Family Medicine Physician in Warrenton, VA.
Where does Dr. Ashutosh Diwan practice?
Dr. Ashutosh Diwan practices at 493 Blackwell RD, Warrenton, VA 201862639. Office phone: 5403474400.
What is Dr. Ashutosh Diwan's NPI?
Dr. Ashutosh Diwan's National Provider Identifier (NPI) is 1144214958, issued by NPPES.
Does Dr. Ashutosh Diwan accept Medicare assignment?
Yes. Dr. Ashutosh Diwan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ashutosh Diwan commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Insertion of needle into vein for collection of blood sample (HCPCS 36415); Injection, ceftriaxone sodium, per 250 mg (HCPCS J0696). Source: CMS Medicare Physician & Other Practitioners file.