Doctor profile · Federal record

Dr. Gregory Mayro, MD

Hospitalist Physician (CMS: Hospitalist) · Internal Medicine Physician · Infectious Disease Physician · Philadelphia, PA

  • NPI 1306031208
  • Accepts Medicare
  • MIPS 85.5 / 100 · 2023
  • 25 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3400 Spruce St, 5 Maloney
Philadelphia, PA 191044206
(215) 662-4000
fax (215) 254-3289

Credentials & registration

NPPES · NUCC
NPI registered
September 2007 — 19 yrs on file
Profile last updated
May 1, 2019
Year of graduation
2001 — 25 yrs since
Specialty taxonomy
208M00000X — NUCC code
State license (1)
Pennsylvania #MD423087
Medicaid
PA #102020604 0001

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1306031208. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
379
Distinct HCPCS
3
Medicare allowed
$34,835
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 295 64 $82
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 68 19 $124
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 16 16 $135

In context: peer comparison

Among 65 peers in Philadelphia Hospitalist Physician, average services per provider: 103. This provider delivers 3.7× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Gregory Mayro's medical specialty?
Dr. Gregory Mayro practices Hospitalist Physician in Philadelphia, PA.
Where does Dr. Gregory Mayro practice?
Dr. Gregory Mayro practices at 3400 Spruce St, Philadelphia, PA 191044206. Office phone: 2156624000.
What is Dr. Gregory Mayro's NPI?
Dr. Gregory Mayro's National Provider Identifier (NPI) is 1306031208, issued by NPPES.
Does Dr. Gregory Mayro accept Medicare assignment?
Yes. Dr. Gregory Mayro accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Gregory Mayro commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222). Source: CMS Medicare Physician & Other Practitioners file.