Doctor profile · Federal record
Dr. Eric Granowitz, MD
Infectious Disease Physician (CMS: Infectious Disease) · Northampton, MA
- NPI 1801855242
- Accepts Medicare
- 41 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
22 Atwood Dr
Northampton, MA 010604267
(413) 582-9186
fax (413) 923-9317
Credentials & registration
- NPI registered
- March 2006 — 20 yrs on file
- Profile last updated
- February 15, 2019
- Year of graduation
- 1985 — 41 yrs since
- Specialty taxonomy
- 207RI0200X — NUCC code
- State license (1)
- Massachusetts #71462
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1801855242. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
614
Distinct HCPCS
10
Medicare allowed
$67,884
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 108 | 72 | $80 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 97 | 57 | $120 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 78 | 74 | $131 | |
99231 |
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | 55 | 42 | $50 | |
99443 |
Telephone medical discussion with physician, 21-30 minutes | 46 | 23 | $130 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 44 | 40 | $175 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 42 | 36 | $183 | |
G0316 |
Prolonged hospital inpatient or observation care evaluation and management service(s) beyond the total time for the primary service (when the primary service has been selected using time on the date of the primary service); each additional 15 minutes by th | 36 | 20 | $31 | |
99221 |
Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes | 29 | 28 | $84 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 24 | 23 | $127 |
In context: peer comparison
Among 2 peers in this city , average services per provider: 46. This provider delivers 13× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
283
Patients
11
Total drug cost
$729,931
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Biktarvy (Bictegrav/Emtricit/Tenofov Ala) | Brand | 85 | 11 | $372,966 |
| Odefsey (Emtricitab/Rilpiviri/Tenof Ala) | Brand | 33 | 0 | $125,496 |
| Ritonavir | Generic | 23 | 0 | $2,417 |
| Prezista (Darunavir) | Brand | 15 | 0 | $33,183 |
| Amoxicillin | Generic | 14 | 0 | $30 |
| Isentress (Raltegravir Potassium) | Brand | 14 | 0 | $28,436 |
| Maraviroc | Generic | 14 | 0 | $16,674 |
| Sulfamethoxazole-Trimethoprim (Sulfamethoxazole/Trimethoprim) | Brand | 14 | 0 | $108 |
| Efavirenz-Emtric-Tenofov Disop (Efavirenz/Emtricit/Tenofovr Df) | Brand | 13 | 0 | $30,116 |
| Doxycycline Monohydrate | Generic | 12 | 0 | $179 |
Hospital affiliations
Frequently asked questions
What is Dr. Eric Granowitz's medical specialty?
Dr. Eric Granowitz practices Infectious Disease Physician in Northampton, MA.
Where does Dr. Eric Granowitz practice?
Dr. Eric Granowitz practices at 22 Atwood Dr, Northampton, MA 010604267. Office phone: 4135829186.
What is Dr. Eric Granowitz's NPI?
Dr. Eric Granowitz's National Provider Identifier (NPI) is 1801855242, issued by NPPES.
Does Dr. Eric Granowitz accept Medicare assignment?
Yes. Dr. Eric Granowitz accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Eric Granowitz commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222). Source: CMS Medicare Physician & Other Practitioners file.