Doctor profile · Federal record

Dr. Gilberto Umanzor Umanzor

Hospitalist Physician (CMS: Internal Medicine) · Internal Medicine Physician · Tulsa, OK

  • NPI 1215458336
  • Accepts Medicare
  • 11 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1145 S Utica Ave Ste 460
Tulsa, OK 741044041
(918) 579-5749
fax (918) 579-5762

Credentials & registration

NPPES · NUCC
NPI registered
June 2017 — 9 yrs on file
Profile last updated
March 15, 2021
Year of graduation
2015 — 11 yrs since
Specialty taxonomy
208M00000X — NUCC code
State licenses (2)
Oklahoma #35498 · Ohio #57.030081

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1215458336. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
899
Distinct HCPCS
5
Medicare allowed
$82,760
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 537 167 $75
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 145 73 $113
99239 Hospital discharge day management, more than 30 minutes 89 86 $107
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 78 74 $163
99238 Hospital discharge day management, 30 minutes or less 50 47 $76

In context: peer comparison

Among 49 peers in Tulsa Hospitalist Physician, average services per provider: 163. This provider delivers 5.5× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$20
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
E.R. Squibb & Sons, L.L.C. 1 $20.24

By nature of payment

Food and Beverage
$20

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Gilberto Umanzor Umanzor's medical specialty?
Dr. Gilberto Umanzor Umanzor practices Hospitalist Physician in Tulsa, OK.
Where does Dr. Gilberto Umanzor Umanzor practice?
Dr. Gilberto Umanzor Umanzor practices at 1145 S Utica Ave Ste 460, Tulsa, OK 741044041. Office phone: 9185795749.
What is Dr. Gilberto Umanzor Umanzor's NPI?
Dr. Gilberto Umanzor Umanzor's National Provider Identifier (NPI) is 1215458336, issued by NPPES.
Does Dr. Gilberto Umanzor Umanzor accept Medicare assignment?
Yes. Dr. Gilberto Umanzor Umanzor accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Gilberto Umanzor Umanzor 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); Hospital discharge day management (HCPCS 99239). Source: CMS Medicare Physician & Other Practitioners file.