Doctor profile · Federal record
Dr. Milton Grunzweig, M.D.
Internal Medicine Physician (CMS: Internal Medicine) · Brooklyn, NY
- NPI 1528030020
- Accepts Medicare
- MIPS 83.5 / 100 · 2023
- 40 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
2000 Ocean Ave
Brooklyn, NY 112307356
(718) 769-7900
fax (718) 743-4219 - Mailing address
-
6 White Dr
Cedarhurst, NY 115162608
Credentials & registration
- NPI registered
- February 2006 — 20 yrs on file
- Profile last updated
- April 24, 2008
- Year of graduation
- 1986 — 40 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- New York #171780
- Medicaid
- NY #01397819
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1528030020. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,056
Distinct HCPCS
9
Medicare allowed
$92,586
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 511 | 176 | $105 | |
99212 |
Established patient office or other outpatient visit, 10-19 minutes | 164 | 106 | $67 | |
36415 |
Insertion of needle into vein for collection of blood sample | 135 | 94 | $8 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 86 | 86 | $149 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 43 | 43 | $149 | |
G0008 |
Administration of influenza virus vaccine | 41 | 41 | $36 | |
90694 |
Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage | 40 | 40 | $76 | |
93000 |
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | 23 | 21 | $17 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 13 | 13 | $195 |
In context: peer comparison
Among 393 peers in Brooklyn Internal Medicine Physician, average services per provider: 326. This provider delivers 3.2× the peer median.Open Payments
Industry payments received
All-time total
$23
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Lilly USA, LLC | 1 | $22.88 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
3,162
Patients
808
Total drug cost
$45,214
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Amlodipine Besylate | Generic | 627 | 144 | $4,506 |
| Losartan Potassium | Generic | 324 | 81 | $4,654 |
| Atorvastatin Calcium | Generic | 319 | 87 | $5,476 |
| Metoprolol Succinate | Generic | 294 | 75 | $6,378 |
| Metformin Hcl | Generic | 268 | 66 | $2,518 |
| Gabapentin | Generic | 204 | 72 | $3,353 |
| Famotidine | Generic | 149 | 36 | $2,001 |
| Hydrochlorothiazide | Generic | 146 | 38 | $558 |
| Losartan-Hydrochlorothiazide (Losartan/Hydrochlorothiazide) | Brand | 142 | 33 | $3,721 |
| Omeprazole | Generic | 133 | 34 | $1,745 |
Frequently asked questions
What is Dr. Milton Grunzweig's medical specialty?
Dr. Milton Grunzweig practices Internal Medicine Physician in Brooklyn, NY.
Where does Dr. Milton Grunzweig practice?
Dr. Milton Grunzweig practices at 2000 Ocean Ave, Brooklyn, NY 112307356. Office phone: 7187697900.
What is Dr. Milton Grunzweig's NPI?
Dr. Milton Grunzweig's National Provider Identifier (NPI) is 1528030020, issued by NPPES.
Does Dr. Milton Grunzweig accept Medicare assignment?
Yes. Dr. Milton Grunzweig accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Milton Grunzweig commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99212); Insertion of needle into vein for collection of blood sample (HCPCS 36415). Source: CMS Medicare Physician & Other Practitioners file.