Doctor profile · Federal record

Dr. Mary McNaughton-Collins, MD

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

  • NPI 1346230026
  • Accepts Medicare
  • 35 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
15 Parkman St, Internal Medicine Associates Team 3
Boston, MA 021143117
(617) 726-8157
fax (617) 724-7799
Mailing address
Po Box 9142, Mass General Physician Organization
Charlestown, MA 021299142

Credentials & registration

NPPES · NUCC
NPI registered
October 2005 — 21 yrs on file
Profile last updated
July 25, 2012
Year of graduation
1991 — 35 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Massachusetts #77630
Medicaid
MA #3165779

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1346230026. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
203
Distinct HCPCS
4
Medicare allowed
$22,260
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 61 46 $104
99215 Established patient office or other outpatient visit, 40-54 minutes 58 38 $153
99213 Established patient office or other outpatient visit, 20-29 minutes 49 48 $70
99443 Telephone medical discussion with physician, 21-30 minutes 35 21 $103

In context: peer comparison

Among 547 peers in this city , average services per provider: 81. This provider delivers 2.5× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
977
Patients
218
Total drug cost
$15,066
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 165 50 $3,991
Lisinopril Generic 110 33 $1,390
Amlodipine Besylate Generic 104 31 $901
Levothyroxine Sodium Generic 103 30 $1,679
Omeprazole Generic 81 25 $1,717
Losartan Potassium Generic 71 21 $1,236
Tramadol Hcl Generic 51 0 $437
Hydrochlorothiazide Generic 46 14 $402
Metoprolol Succinate Generic 43 0 $1,128
Atenolol Generic 41 14 $635

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Mary McNaughton-Collins's medical specialty?
Dr. Mary McNaughton-Collins practices Internal Medicine Physician in Boston, MA.
Where does Dr. Mary McNaughton-Collins practice?
Dr. Mary McNaughton-Collins practices at 15 Parkman St, Boston, MA 021143117. Office phone: 6177268157.
What is Dr. Mary McNaughton-Collins's NPI?
Dr. Mary McNaughton-Collins's National Provider Identifier (NPI) is 1346230026, issued by NPPES.
Does Dr. Mary McNaughton-Collins accept Medicare assignment?
Yes. Dr. Mary McNaughton-Collins accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mary McNaughton-Collins 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); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.