Doctor profile · Federal record

Dr. Michael Fischer, MD

Internal Medicine Physician (CMS: Internal Medicine) · Boston, MA

  • NPI 1871511634
  • Accepts Medicare
  • 29 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
801 Massachusetts Ave, Adult Primary Care- Crosstown 6A
Boston, MA 021186110
(617) 414-5951
fax (617) 414-9201
Mailing address
801 Albany St Fl Ground
Boston, MA 021192560

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
October 27, 2021
Year of graduation
1997 — 29 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Massachusetts #159708

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1871511634. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
123
Distinct HCPCS
2
Medicare allowed
$11,437
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 68 11 $84
99214 Established patient office or other outpatient visit, 30-39 minutes 55 33 $104

In context: peer comparison

Among 547 peers in this city , average services per provider: 81. This provider delivers 1.5× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$23
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
MY01 Inc. 1 $23.02

By nature of payment

Food and Beverage
$23

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
559
Patients
65
Total drug cost
$31,435
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 87 21 $1,116
Amlodipine Besylate Generic 54 18 $393
Lisinopril Generic 53 14 $614
Hydrochlorothiazide Generic 40 12 $214
Losartan Potassium Generic 40 0 $576
Metoprolol Succinate Generic 35 0 $830
Eliquis (Apixaban) Brand 31 0 $24,048
Morphine Sulfate Er (Morphine Sulfate) Brand 30 0 $643
Omeprazole Generic 30 0 $378
Furosemide Generic 29 0 $314

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Michael Fischer's medical specialty?
Dr. Michael Fischer practices Internal Medicine Physician in Boston, MA.
Where does Dr. Michael Fischer practice?
Dr. Michael Fischer practices at 801 Massachusetts Ave, Boston, MA 021186110. Office phone: 6174145951.
What is Dr. Michael Fischer's NPI?
Dr. Michael Fischer's National Provider Identifier (NPI) is 1871511634, issued by NPPES.
Does Dr. Michael Fischer accept Medicare assignment?
Yes. Dr. Michael Fischer accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Michael Fischer commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.