Doctor profile · Federal record

Dr. Enid Sun, MD, MPH

Rheumatology Physician (CMS: Internal Medicine) · Internal Medicine Physician · Internal Medicine Physician · Philadelphia, PA

  • NPI 1871947432
  • Accepts Medicare
  • MIPS 72.5 / 100 · 2023
  • 10 yrs in practice
  • Licensed in 2 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
3401 N Broad St
Philadelphia, PA 191405103
(215) 707-4600
fax (215) 707-4034
Additional location
6013 Farrington RD Ste 301
Chapel Hill, NC 275178173
(984) 974-4191
fax (984) 974-2640
Mailing address
2450 W Hunting Park Ave
Philadelphia, PA 191291302

Credentials & registration

NPPES · NUCC
NPI registered
April 2016 — 10 yrs on file
Profile last updated
July 15, 2021
Year of graduation
2016 — 10 yrs since
Specialty taxonomy
207RR0500X — NUCC code
State licenses (2)
Pennsylvania #MD472996 · North Carolina #218436

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1871947432. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
108
Distinct HCPCS
5
Medicare allowed
$12,460
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 53 42 $102
99214 Established patient office or other outpatient visit, 30-39 minutes 17 14 $135
99204 New patient office or other outpatient visit, 45-59 minutes 14 14 $139
99213 Established patient office or other outpatient visit, 20-29 minutes 13 12 $69
99204 New patient office or other outpatient visit, 45-59 minutes 11 11 $176

In context: peer comparison

Among 31 peers in Philadelphia Rheumatology Physician, average services per provider: 860. This provider delivers 0.1× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
625
Patients
76
Total drug cost
$338,071
Drug Type Claims Patients Total cost
Methotrexate (Methotrexate Sodium) Brand 128 26 $2,831
Meloxicam Generic 71 19 $299
Allopurinol Generic 60 0 $608
Celecoxib Generic 49 15 $2,779
Hydroxychloroquine Sulfate Generic 42 0 $2,071
Prednisone Generic 42 16 $317
Leflunomide Generic 40 0 $1,538
Alendronate Sodium Generic 33 0 $162
Gabapentin Generic 33 0 $221
Humira(Cf) Pen (Adalimumab) Brand 27 0 $218,554

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Enid Sun's medical specialty?
Dr. Enid Sun practices Rheumatology Physician in Philadelphia, PA.
Where does Dr. Enid Sun practice?
Dr. Enid Sun practices at 3401 N Broad St, Philadelphia, PA 191405103. Office phone: 2157074600.
What is Dr. Enid Sun's NPI?
Dr. Enid Sun's National Provider Identifier (NPI) is 1871947432, issued by NPPES.
Does Dr. Enid Sun accept Medicare assignment?
Yes. Dr. Enid Sun accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Enid Sun 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 99214); New patient office or other outpatient visit (HCPCS 99204). Source: CMS Medicare Physician & Other Practitioners file.