Doctor profile · Federal record

Dr. Alexander Harding, MD

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

  • NPI 1881964153
  • Accepts Medicare
  • 11 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
15 Parkman St # 645
Boston, MA 021143117
(617) 726-2368
Additional location
600 N Wolfe St
Baltimore, MD 212872109
(410) 955-5000
Mailing address
733 N Broadway, Suite 147
Baltimore, MD 212051832

Credentials & registration

NPPES · NUCC
NPI registered
January 2012 — 14 yrs on file
Profile last updated
March 17, 2018
Year of graduation
2015 — 11 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Massachusetts #272997

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1881964153. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
57
Distinct HCPCS
2
Medicare allowed
$4,812
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 33 33 $70
99214 Established patient office or other outpatient visit, 30-39 minutes 24 23 $104

In context: peer comparison

Among 547 peers in this city , average services per provider: 81. This provider delivers 0.7× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Alexander Harding's medical specialty?
Dr. Alexander Harding practices Internal Medicine Physician in Boston, MA.
Where does Dr. Alexander Harding practice?
Dr. Alexander Harding practices at 15 Parkman St # 645, Boston, MA 021143117. Office phone: 6177262368.
What is Dr. Alexander Harding's NPI?
Dr. Alexander Harding's National Provider Identifier (NPI) is 1881964153, issued by NPPES.
Does Dr. Alexander Harding accept Medicare assignment?
Yes. Dr. Alexander Harding accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Alexander Harding commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.