Doctor profile · Federal record
Dr. Zachary Frosch, M.D.
Internal Medicine Physician (CMS: Hematology/Oncology) · Boston, MA
- NPI 1992118368
- Accepts Medicare
- MIPS 72.5 / 100 · 2023
- 12 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
75 Francis St
Boston, MA 021156110
(617) 732-5500
Credentials & registration
- NPI registered
- June 2014 — 12 yrs on file
- Year of graduation
- 2014 — 12 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- Massachusetts #259094
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1992118368. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
282
Distinct HCPCS
3
Medicare allowed
$32,810
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 191 | 106 | $102 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 69 | 32 | $149 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 22 | 22 | $139 |
In context: peer comparison
Among 547 peers in this city , average services per provider: 81. This provider delivers 3.5× the peer median.Open Payments
Industry payments received
All-time total
$241
Transactions
5
Manufacturers
5
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| BeiGene USA, Inc. | 1 | $78.00 | |
| Genentech USA, Inc. | 1 | $71.63 | |
| AstraZeneca Pharmaceuticals LP | 1 | $34.37 | |
| Celgene Corporation | 1 | $32.27 | |
| Novartis Pharmaceuticals Corporation | 1 | $24.33 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
212
Patients
17
Total drug cost
$871,169
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Acyclovir | Generic | 37 | 17 | $1,156 |
| Prednisone | Generic | 36 | 0 | $228 |
| Famotidine | Generic | 30 | 0 | $294 |
| Imbruvica (Ibrutinib) | Brand | 30 | 0 | $499,360 |
| Atovaquone | Generic | 29 | 0 | $20,741 |
| Venclexta (Venetoclax) | Brand | 23 | 0 | $349,103 |
| Ondansetron Hcl | Generic | 14 | 0 | $56 |
| Allopurinol | Generic | 13 | 0 | $229 |
Hospital affiliations
Frequently asked questions
What is Dr. Zachary Frosch's medical specialty?
Dr. Zachary Frosch practices Internal Medicine Physician in Boston, MA.
Where does Dr. Zachary Frosch practice?
Dr. Zachary Frosch practices at 75 Francis St, Boston, MA 021156110. Office phone: 6177325500.
What is Dr. Zachary Frosch's NPI?
Dr. Zachary Frosch's National Provider Identifier (NPI) is 1992118368, issued by NPPES.
Does Dr. Zachary Frosch accept Medicare assignment?
Yes. Dr. Zachary Frosch accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Zachary Frosch 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 99215); New patient office or other outpatient visit (HCPCS 99204). Source: CMS Medicare Physician & Other Practitioners file.