DR. ZACHARY FROSCH (M.D.) – Internal Medicine Physician, NPI 1992118368
Internal Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
606 HEMATOLOGY/ONCOLOGY in MA
Provider Addresses for DR. ZACHARY FROSCH (M.D.)
75 FRANCIS ST
BOSTON, MA 021156110
Phone: (617) 732-5500
Mailing address matches the actual address.
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 10 Open Payments records for all available years, with a total value of $1,597.
Total Amount is formed as General ($405) + Research ($1,191) + Ownership ($0) = $1,597.
Last reported payment date: 2024-12-31 • Largest payer in this snapshot: F. Hoffmann-La Roche AG ($1,191).
Total Amount
$1,597
General + Research + Ownership
Payments
10
Total payment records
General Amount
$405
General payments
Research Amount
$1,191
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-31
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| F. Hoffmann-La Roche AG | $1,191 |
| ADC Therapeutics America, Inc. | $119 |
| BeiGene USA, Inc. | $78 |
| Celgene Corporation | $78 |
| Genentech USA, Inc. | $72 |
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2021-08-05
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20210805000038 | I | Hematology/Oncology | PA | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 191 | 106 | $0 |
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | 69 | 32 | $0 |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | 22 | 22 | $0 |
Insurance plans in this area (ZIP 02115)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Internal Medicine | PA | |
| A N E S T H E S I O L O G Y | PA | |
| Pulmonary Disease, Critical Care (Intensivists), Hospitalist | PA | |
| O B S T E T R I C S/ G Y N E C O L O G Y | PA | |
| - | PA | |
| Pulmonary Disease, Critical Care (Intensivists) | PA | |
| General Surgery | PA | |
| - | PA | |
| P A T H O L O G Y | PA | |
| - | PA |
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