Doctor profile · Federal record
Dr. Robert Mayer, MD
Medical Oncology Physician (CMS: Medical Oncology) · Internal Medicine Physician · Hematology (Internal Medicine) Physician · Boston, MA
- NPI 1659361327
- Accepts Medicare
- MIPS 83.1 / 100 · 2023
- 57 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
450 Brookline Ave, Dana Farber Cancer Institute, D-1608
Boston, MA 022155418
(617) 632-3474
fax (617) 632-2260
Credentials & registration
- NPI registered
- October 2005 — 21 yrs on file
- Profile last updated
- December 7, 2011
- Year of graduation
- 1969 — 57 yrs since
- Specialty taxonomy
- 207RX0202X — NUCC code
- State license (1)
- Massachusetts #36776
- Medicaid
- MA #2038706
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1659361327. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
91
Distinct HCPCS
2
Medicare allowed
$10,448
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 72 | 40 | $105 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 19 | 12 | $154 |
In context: peer comparison
Among 103 peers in this city , average services per provider: 67. This provider delivers 1.4× the peer median.Hospital affiliations
Frequently asked questions
What is Dr. Robert Mayer's medical specialty?
Dr. Robert Mayer practices Medical Oncology Physician in Boston, MA.
Where does Dr. Robert Mayer practice?
Dr. Robert Mayer practices at 450 Brookline Ave, Boston, MA 022155418. Office phone: 6176323474.
What is Dr. Robert Mayer's NPI?
Dr. Robert Mayer's National Provider Identifier (NPI) is 1659361327, issued by NPPES.
Does Dr. Robert Mayer accept Medicare assignment?
Yes. Dr. Robert Mayer accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Robert Mayer 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). Source: CMS Medicare Physician & Other Practitioners file.