Doctor profile · Federal record

Dr. Maxwell Isaac, DO

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

  • NPI 1851918346
  • Accepts Medicare
  • 6 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1020 Walnut St
Philadelphia, PA 191075567
(573) 884-1606

Credentials & registration

NPPES · NUCC
NPI registered
June 2020 — 6 yrs on file
Profile last updated
June 29, 2023
Year of graduation
2020 — 6 yrs since
Specialty taxonomy
207R00000X — NUCC code
State licenses (2)
Pennsylvania #OS022944 · Missouri #2020019336

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1851918346. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
24
Distinct HCPCS
1
Medicare allowed
$4,286
HCPCS Description Services Patients Avg allowed
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 24 24 $179

In context: peer comparison

Among 390 peers in this city , average services per provider: 132. This provider delivers 0.2× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$97
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
GE HEALTHCARE 1 $97.46

By nature of payment

Food and Beverage
$97

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
23
Patients
0
Total drug cost
$6,760
Drug Type Claims Patients Total cost
Eliquis (Apixaban) Brand 12 0 $6,590
Atorvastatin Calcium Generic 11 0 $170

Frequently asked questions

Auto-generated from federal data
What is Dr. Maxwell Isaac's medical specialty?
Dr. Maxwell Isaac practices Internal Medicine Physician in Philadelphia, PA.
Where does Dr. Maxwell Isaac practice?
Dr. Maxwell Isaac practices at 1020 Walnut St, Philadelphia, PA 191075567. Office phone: 5738841606.
What is Dr. Maxwell Isaac's NPI?
Dr. Maxwell Isaac's National Provider Identifier (NPI) is 1851918346, issued by NPPES.
Does Dr. Maxwell Isaac accept Medicare assignment?
Yes. Dr. Maxwell Isaac accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Maxwell Isaac commonly perform?
Top Medicare-reported procedures in 2023: Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.