Doctor profile · Federal record

Dr. An Phan, MD

Family Medicine Physician (CMS: Family Practice) · South Weymouth, MA

  • NPI 1104872274
  • Accepts Medicare
  • 34 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 4 locations .

NPPES Updated May 11, 2026
Primary practice
541 Main St Ste 400
South Weymouth, MA 021901889
(781) 952-1280
Additional location
15 Corporate Park Dr
Pembroke, MA 023591966
(781) 826-8065
Additional location
230 Bowdoin St
Dorchester, MA 021221817
(617) 754-0100
Show 1 more location
Additional location
56 New Driftway Ste 101
Scituate, MA 020664533
(781) 545-7243

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
September 3, 2020
Year of graduation
1992 — 34 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
Massachusetts #226928

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1104872274. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,449
Distinct HCPCS
10
Medicare allowed
$175,802
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 600 281 $139
36415 Insertion of needle into vein for collection of blood sample 219 174 $8
99215 Established patient office or other outpatient visit, 40-54 minutes 125 98 $195
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 84 84 $142
G0008 Administration of influenza virus vaccine 64 62 $34
90662 Influenza vaccine split virus, preservative free 59 57 $72
G0438 Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit 49 49 $180
99213 Established patient office or other outpatient visit, 20-29 minutes 37 34 $100
90677 Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use 36 36 $281
G0009 Administration of pneumococcal vaccine 36 36 $34

In context: peer comparison

Among 4 peers in this city , average services per provider: 102. This provider delivers 14× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,173
Patients
752
Total drug cost
$144,816
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 446 161 $10,257
Lisinopril Generic 204 72 $1,789
Amlodipine Besylate Generic 172 64 $1,827
Levothyroxine Sodium Generic 169 53 $2,902
Metoprolol Succinate Generic 159 52 $3,863
Losartan Potassium Generic 125 50 $2,410
Sertraline Hcl Generic 118 45 $1,030
Trazodone Hcl Generic 107 47 $1,341
Omeprazole Generic 106 37 $2,166
Ozempic (Semaglutide) Brand 101 18 $111,112

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. An Phan's medical specialty?
Dr. An Phan practices Family Medicine Physician in South Weymouth, MA.
Where does Dr. An Phan practice?
Dr. An Phan practices at 541 Main St Ste 400, South Weymouth, MA 021901889. Office phone: 7819521280.
What is Dr. An Phan's NPI?
Dr. An Phan's National Provider Identifier (NPI) is 1104872274, issued by NPPES.
Does Dr. An Phan accept Medicare assignment?
Yes. Dr. An Phan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. An Phan commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Insertion of needle into vein for collection of blood sample (HCPCS 36415); Established patient office or other outpatient visit (HCPCS 99215). Source: CMS Medicare Physician & Other Practitioners file.