Doctor profile · Federal record

Dr. Isaac Dennis, D.O.

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

  • NPI 1477999514
  • Accepts Medicare
  • MIPS 79.4 / 100 · 2023
  • 13 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
10501 E 91St St, 2Nd Floor
Tulsa, OK 741335790
(918) 502-1900
Mailing address
6600 S Yale Ave, Suite 1400
Tulsa, OK 741363347

Credentials & registration

NPPES · NUCC
NPI registered
May 2013 — 13 yrs on file
Profile last updated
July 31, 2017
Year of graduation
2013 — 13 yrs since
Specialty taxonomy
208M00000X — NUCC code
State license (1)
Oklahoma #5548

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1477999514. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
965
Distinct HCPCS
4
Medicare allowed
$105,943
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 436 181 $114
99239 Hospital discharge day management, more than 30 minutes 257 248 $108
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 189 88 $76
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 83 83 $167

In context: peer comparison

Among 49 peers in Tulsa Hospitalist Physician, average services per provider: 163. This provider delivers 5.9× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
271
Patients
181
Total drug cost
$8,873
Drug Type Claims Patients Total cost
Prednisone Generic 37 36 $149
Furosemide Generic 29 16 $92
Amlodipine Besylate Generic 25 19 $93
Levofloxacin Generic 25 25 $147
Cefdinir Generic 21 21 $263
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 19 19 $122
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 18 16 $505
Atorvastatin Calcium Generic 18 0 $533
Ondansetron Hcl Generic 16 16 $56
Metoprolol Succinate Generic 15 0 $163

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Isaac Dennis's medical specialty?
Dr. Isaac Dennis practices Hospitalist Physician in Tulsa, OK.
Where does Dr. Isaac Dennis practice?
Dr. Isaac Dennis practices at 10501 E 91St St, Tulsa, OK 741335790. Office phone: 9185021900.
What is Dr. Isaac Dennis's NPI?
Dr. Isaac Dennis's National Provider Identifier (NPI) is 1477999514, issued by NPPES.
Does Dr. Isaac Dennis accept Medicare assignment?
Yes. Dr. Isaac Dennis accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Isaac Dennis commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Hospital discharge day management (HCPCS 99239); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.