Doctor profile · Federal record

Dr. Christopher Chesley, MD

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

  • NPI 1639580020
  • Accepts Medicare
  • MIPS 85.5 / 100 · 2023
  • 12 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3400 Spruce St, 100 Centrex
Philadelphia, PA 191044238
(301) 502-7601

Credentials & registration

NPPES · NUCC
NPI registered
May 2014 — 12 yrs on file
Year of graduation
2014 — 12 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Pennsylvania #MT206857

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1639580020. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
105
Distinct HCPCS
2
Medicare allowed
$21,119
HCPCS Description Services Patients Avg allowed
99291 Critical care, first 30-74 minutes 85 29 $220
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 20 14 $122

In context: peer comparison

Among 390 peers in Philadelphia Internal Medicine Physician, average services per provider: 132. This provider delivers 0.8× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Christopher Chesley's medical specialty?
Dr. Christopher Chesley practices Internal Medicine Physician in Philadelphia, PA.
Where does Dr. Christopher Chesley practice?
Dr. Christopher Chesley practices at 3400 Spruce St, Philadelphia, PA 191044238. Office phone: 3015027601.
What is Dr. Christopher Chesley's NPI?
Dr. Christopher Chesley's National Provider Identifier (NPI) is 1639580020, issued by NPPES.
Does Dr. Christopher Chesley accept Medicare assignment?
Yes. Dr. Christopher Chesley accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Christopher Chesley commonly perform?
Top Medicare-reported procedures in 2023: Critical care (HCPCS 99291); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233). Source: CMS Medicare Physician & Other Practitioners file.