Doctor profile · Federal record
Dr. Nauman Diwan, MD
Internal Medicine Physician (CMS: Internal Medicine) · Legal Medicine · Hamilton, NJ
- NPI 1609802057
- Accepts Medicare
- MIPS 88.4 / 100 · 2023
- 37 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
1445 Whitehorse Mercerville RD Ste 103
Hamilton, NJ 086193834
(609) 587-6661
fax (609) 528-8891 - Mailing address
-
1235 Whitehorse Mercerville RD Ste 306
Hamilton, NJ 086193810
Credentials & registration
- NPI registered
- June 2006 — 20 yrs on file
- Profile last updated
- April 30, 2021
- Year of graduation
- 1989 — 37 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- New Jersey #25MA06535300
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1609802057. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
954
Distinct HCPCS
10
Medicare allowed
$76,673
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 265 | 136 | $136 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 122 | 87 | $96 | |
99458 |
Management using the results of remote vital sign monitoring per calendar month, each additional 20 minutes | 119 | 17 | $43 | |
G0008 |
Administration of influenza virus vaccine | 79 | 77 | $33 | |
99457 |
Management using the results of remote vital sign monitoring per calendar month, first 20 minutes | 77 | 18 | $53 | |
99454 |
Remote monitoring of physiologic parameters, initial supply of devices with daily recordings or programmed alerts transmission, each 30 days | 66 | 17 | $56 | |
90686 |
Influenza vaccine, quadrivalent, preservative free, 0.5 ml dosage | 63 | 63 | $22 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 36 | 36 | $137 | |
96372 |
Injection of drug or substance under skin or into muscle | 21 | 13 | $14 | |
99495 |
Transitional care management services for problem of at least moderate complexity | 19 | 15 | $223 |
In context: peer comparison
Among 17 peers in Hamilton Internal Medicine Physician, average services per provider: 111. This provider delivers 8.6× the peer median.Open Payments
Industry payments received
All-time total
$262
Transactions
16
Manufacturers
9
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Novo Nordisk INC | 4 | $61.50 | |
| Pfizer INC. | 3 | $46.19 | |
| Lilly USA, LLC | 2 | $33.60 | |
| AstraZeneca Pharmaceuticals Lp | 2 | $30.98 | |
| Sanofi Pasteur INC. | 1 | $19.52 | |
| Exact Sciences Corporation | 1 | $19.37 | |
| Boehringer Ingelheim Pharmaceuticals, INC. | 1 | $18.82 | |
| GlaxoSmithKline, LLC. | 1 | $17.31 | |
| Phathom Pharmaceuticals, INC. | 1 | $14.66 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
2,296
Patients
636
Total drug cost
$31,862
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Amlodipine Besylate | Generic | 259 | 78 | $2,245 |
| Atorvastatin Calcium | Generic | 254 | 75 | $3,528 |
| Pantoprazole Sodium | Generic | 217 | 67 | $3,237 |
| Alprazolam | Generic | 214 | 32 | $1,290 |
| Levothyroxine Sodium | Generic | 204 | 52 | $2,862 |
| Metformin Hcl | Generic | 183 | 50 | $1,837 |
| Rosuvastatin Calcium | Generic | 160 | 48 | $6,240 |
| Losartan Potassium | Generic | 153 | 44 | $2,501 |
| Fluticasone Propionate | Generic | 107 | 47 | $1,396 |
| Zolpidem Tartrate | Generic | 106 | 17 | $694 |
Hospital affiliations
Frequently asked questions
What is Dr. Nauman Diwan's medical specialty?
Dr. Nauman Diwan practices Internal Medicine Physician in Hamilton, NJ.
Where does Dr. Nauman Diwan practice?
Dr. Nauman Diwan practices at 1445 Whitehorse Mercerville RD Ste 103, Hamilton, NJ 086193834. Office phone: 6095876661.
What is Dr. Nauman Diwan's NPI?
Dr. Nauman Diwan's National Provider Identifier (NPI) is 1609802057, issued by NPPES.
Does Dr. Nauman Diwan accept Medicare assignment?
Yes. Dr. Nauman Diwan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Nauman Diwan commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); Management using the results of remote vital sign monitoring per calendar month (HCPCS 99458). Source: CMS Medicare Physician & Other Practitioners file.