Doctor profile · Federal record
Dr. Marshall Katz, M.D.
Cardiovascular Disease Physician (CMS: Cardiovascular Disease (Cardiology)) · Cardiovascular Disease Physician · Boston, MA
- NPI 1124024013
- Accepts Medicare
- 35 yrs in practice
- Licensed in 2 states
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
133 Brookline Ave, Harvard Vanguard Medical Associates
Boston, MA 022153904
(617) 421-6050
fax (617) 421-6083
Credentials & registration
- NPI registered
- June 2005 — 21 yrs on file
- Profile last updated
- September 23, 2011
- Year of graduation
- 1991 — 35 yrs since
- Specialty taxonomy
- 207RC0000X — NUCC code
- State licenses (2)
- Massachusetts #78156 · Connecticut #035987
- Medicaid (2)
- CT #001359878 · MA #110058992A
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1124024013. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
6,716
Distinct HCPCS
10
Medicare allowed
$362,728
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 790 | 558 | $140 | |
93000 |
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | 678 | 653 | $16 | |
36415 |
Insertion of needle into vein for collection of blood sample | 648 | 337 | $8 | |
80051 |
Blood test panel for electrolytes (sodium potassium, chloride, carbon dioxide) | 524 | 210 | $7 | |
82565 |
Blood creatinine level | 504 | 219 | $5 | |
93296 |
Evaluation of single, dual, multiple lead or leadless pacemaker system or implantable defibrillator system, remote up to 90 days | 465 | 282 | $27 | |
93294 |
Evaluation of single, dual, multiple lead or leadless pacemaker system, remote up to 90 days | 463 | 280 | $32 | |
83880 |
Natriuretic peptide (heart and blood vessel protein) level | 402 | 137 | $38 | |
93306 |
Ultrasound of heart with color-depicted blood flow, rate, direction and valve function | 293 | 292 | $222 | |
80061 |
Blood test, lipids (cholesterol and triglycerides) | 261 | 205 | $13 |
In context: peer comparison
Among 134 peers in Boston Cardiovascular Disease Physician, average services per provider: 118. This provider delivers 57× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
5,211
Patients
1,529
Total drug cost
$1,443,684
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 817 | 259 | $21,795 |
| Metoprolol Succinate | Generic | 804 | 244 | $22,670 |
| Eliquis (Apixaban) | Brand | 728 | 167 | $853,330 |
| Furosemide | Generic | 430 | 130 | $4,459 |
| Lisinopril | Generic | 327 | 100 | $4,678 |
| Losartan Potassium | Generic | 326 | 94 | $6,799 |
| Amlodipine Besylate | Generic | 323 | 110 | $3,703 |
| Rosuvastatin Calcium | Generic | 283 | 89 | $13,342 |
| Jardiance (Empagliflozin) | Brand | 201 | 54 | $247,058 |
| Ezetimibe | Generic | 190 | 64 | $10,904 |
Hospital affiliations
Frequently asked questions
What is Dr. Marshall Katz's medical specialty?
Dr. Marshall Katz practices Cardiovascular Disease Physician in Boston, MA.
Where does Dr. Marshall Katz practice?
Dr. Marshall Katz practices at 133 Brookline Ave, Boston, MA 022153904. Office phone: 6174216050.
What is Dr. Marshall Katz's NPI?
Dr. Marshall Katz's National Provider Identifier (NPI) is 1124024013, issued by NPPES.
Does Dr. Marshall Katz accept Medicare assignment?
Yes. Dr. Marshall Katz accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Marshall Katz commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (HCPCS 93000); Insertion of needle into vein for collection of blood sample (HCPCS 36415). Source: CMS Medicare Physician & Other Practitioners file.