MARSHALL S KATZ (M.D.) – Cardiovascular Disease Physician, NPI 1124024013
Cardiovascular Disease Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,398 CARDIOVASCULAR DISEASE (CARDIOLOGY) in MA
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Provider Addresses for MARSHALL S KATZ (M.D.)
133, Brookline Avenue, Audubon Square, Boston, Suffolk County, Massachusetts, 02215, United States
HARVARD VANGUARD MEDICAL ASSOCIATES
BOSTON, MA 022153904
Phone: (617) 421-6050
Fax: (617) 421-6083
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)
No Open Payments data available for this provider.
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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: 2008-11-03
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 |
|---|---|---|---|---|
| I20081103000061 | I | Cardiovascular Disease (Cardiology) | MA | 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 | 790 | 558 | $0 |
| 93000 | Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | 678 | 653 | $0 |
| 36415 | Insertion of needle into vein for collection of blood sample | 648 | 337 | $0 |
| 80051 | Blood test panel for electrolytes (sodium potassium, chloride, carbon dioxide) | 524 | 210 | $0 |
| 82565 | Blood creatinine level | 504 | 219 | $0 |
Insurance plans in this area (ZIP 02215)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| CARDIOVASCULAR DISEASE (CARDIOLOGY) | MA | 83036 | Hemoglobin A1C level | 11 | 11 |
| CARDIOVASCULAR DISEASE (CARDIOLOGY) | MA | 85610 | Blood test, clotting time | 22 | 15 |
| CARDIOVASCULAR DISEASE (CARDIOLOGY) | MA | 93280 | Evaluation, testing, and programming adjustment of permanent dual lead pacemaker system with physician analysis, review, and report | 71 | 40 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| - | MA | |
| Family Practice | MA | |
| D E R M A T O L O G Y | MA | |
| Emergency Medicine | MA | |
| Internal Medicine, Cardiovascular Disease (Cardiology) | MA | |
| - | MA | |
| O B S T E T R I C S/ G Y N E C O L O G Y | MA | |
| - | MA | |
| Internal Medicine | MA | |
| O T O L A R Y N G O L O G Y | MA |
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