Doctor profile · Federal record

Dr. Robert Hagan, M.D., PH.D.

Internal Medicine Physician (CMS: Pulmonary Disease) · Baltimore, MD

  • NPI 1265635858
  • Accepts Medicare
  • 19 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
Johns Hopkins Medicine, 600 N. Wolfe St.
Baltimore, MD 212870001
(410) 955-7963
Mailing address
5501 Hopkins Bayview Cir, Pulmonary Clinic, 2Nd Floor
Baltimore, MD 212246821

Credentials & registration

NPPES · NUCC
NPI registered
June 2007 — 19 yrs on file
Profile last updated
April 5, 2012
Year of graduation
2007 — 19 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Maryland #22260

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1265635858. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
238
Distinct HCPCS
2
Medicare allowed
$47,849
HCPCS Description Services Patients Avg allowed
99291 Critical care, first 30-74 minutes 225 74 $207
99214 Established patient office or other outpatient visit, 30-39 minutes 13 13 $95

In context: peer comparison

Among 363 peers in Baltimore Internal Medicine Physician, average services per provider: 105. This provider delivers 2.3× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Robert Hagan's medical specialty?
Dr. Robert Hagan practices Internal Medicine Physician in Baltimore, MD.
Where does Dr. Robert Hagan practice?
Dr. Robert Hagan practices at Johns Hopkins Medicine, Baltimore, MD 212870001. Office phone: 4109557963.
What is Dr. Robert Hagan's NPI?
Dr. Robert Hagan's National Provider Identifier (NPI) is 1265635858, issued by NPPES.
Does Dr. Robert Hagan accept Medicare assignment?
Yes. Dr. Robert Hagan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Robert Hagan commonly perform?
Top Medicare-reported procedures in 2023: Critical care (HCPCS 99291); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.