Doctor profile · Federal record
Dr. Robert Grossberg, MD
Infectious Disease Physician (CMS: Infectious Disease) · Bronx, NY
- NPI 1538259338
- MIPS 100.0 / 100 · 2023
- 30 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
Mmc - Dept. of Medicine, 111 East 210Th Street
Bronx, NY 10467
(718) 920-5224 - Mailing address
-
111 E 210Th St
Bronx, NY 104672401
Credentials & registration
- NPI registered
- October 2006 — 20 yrs on file
- Profile last updated
- November 13, 2025
- Year of graduation
- 1996 — 30 yrs since
- Specialty taxonomy
- 207RI0200X — NUCC code
- State license (1)
- New York #232074
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1538259338. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
204
Distinct HCPCS
6
Medicare allowed
$23,051
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 51 | 30 | $113 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 42 | 30 | $77 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 41 | 29 | $138 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 30 | 30 | $152 | |
99221 |
Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes | 21 | 21 | $99 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 19 | 15 | $92 |
In context: peer comparison
Among 22 peers in Bronx Infectious Disease Physician, average services per provider: 31. This provider delivers 6.6× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
1,298
Patients
180
Total drug cost
$2,369,865
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Biktarvy (Bictegrav/Emtricit/Tenofov Ala) | Brand | 222 | 31 | $936,153 |
| Albuterol Sulfate Hfa (Albuterol Sulfate) | Brand | 134 | 19 | $4,930 |
| Symtuza (Darunavir/Cob/Emtri/Tenof Alaf) | Brand | 108 | 17 | $536,786 |
| Genvoya (Elviteg/Cob/Emtri/Tenof Alafen) | Brand | 97 | 11 | $391,551 |
| Gabapentin | Generic | 94 | 17 | $2,141 |
| Tivicay (Dolutegravir Sodium) | Brand | 87 | 14 | $222,199 |
| Zolpidem Tartrate | Generic | 87 | 13 | $1,325 |
| Atorvastatin Calcium | Generic | 80 | 24 | $1,132 |
| Buprenorphine-Naloxone (Buprenorphine Hcl/Naloxone Hcl) | Brand | 80 | 11 | $21,773 |
| Oxycodone Hcl | Generic | 61 | 0 | $2,610 |
Frequently asked questions
What is Dr. Robert Grossberg's medical specialty?
Dr. Robert Grossberg practices Infectious Disease Physician in Bronx, NY.
Where does Dr. Robert Grossberg practice?
Dr. Robert Grossberg practices at Mmc - Dept. of Medicine, Bronx, NY 10467. Office phone: 7189205224.
What is Dr. Robert Grossberg's NPI?
Dr. Robert Grossberg's National Provider Identifier (NPI) is 1538259338, issued by NPPES.
Does Dr. Robert Grossberg accept Medicare assignment?
Dr. Robert Grossberg does not accept Medicare assignment for all services. Patients may be billed amounts beyond Medicare-allowed charges.
What procedures does Dr. Robert Grossberg 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); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233). Source: CMS Medicare Physician & Other Practitioners file.