Doctor profile · Federal record

Dr. Christian Mangrum, D.O.

Endocrinology, Diabetes & Metabolism Physician (CMS: Endocrinology) · Endocrinology, Diabetes & Metabolism Physician · Oklahoma City, OK

  • NPI 1568789675
  • Accepts Medicare
  • 16 yrs in practice
  • Licensed in 2 states
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
4345 W Memorial RD Ste 110
Oklahoma City, OK 731341717
(405) 951-4160
fax (405) 951-4162

Credentials & registration

NPPES · NUCC
NPI registered
April 2010 — 16 yrs on file
Profile last updated
April 23, 2024
Year of graduation
2010 — 16 yrs since
Specialty taxonomy
207RE0101X — NUCC code
State licenses (2)
Oklahoma #5773 · Nebraska #6901

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1568789675. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,366
Distinct HCPCS
5
Medicare allowed
$102,921
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 692 510 $119
83036 Hemoglobin a1c level 362 254 $9
95251 Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report 156 106 $33
36415 Insertion of needle into vein for collection of blood sample 80 80 $8
99204 New patient office or other outpatient visit, 45-59 minutes 76 76 $152

In context: peer comparison

Among 7 peers in this city , average services per provider: 132. This provider delivers 10× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$22,516
Transactions
179
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
Boehringer Ingelheim Pharmaceuticals, Inc. 30 $11,267.22
Lilly USA, LLC 38 $8,591.40
Xeris Pharmaceuticals, Inc. 17 $344.96
Corcept Therapeutics 12 $244.77
Abbott Laboratories 12 $238.41
Tandem Diabetes Care, Inc. 9 $223.68
Bayer Healthcare Pharmaceuticals Inc. 10 $164.15
Novo Nordisk Inc 11 $163.32
Ascensia Diabetes Care Us Inc. 7 $153.66
Dexcom, Inc. 10 $146.94
Insulet Corporation 6 $138.34
SANOFI-AVENTIS U.S. LLC 6 $117.59
RECORDATI_RARE_DISEASES_INC. 4 $111.95
Amneal Pharmaceuticals LLC 4 $77.81
Amgen Inc. 3 $56.97

By nature of payment

Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program
$18,963
Food and Beverage
$3,501
Travel and Lodging
$52

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,519
Patients
792
Total drug cost
$1,480,815
Drug Type Claims Patients Total cost
Levothyroxine Sodium Generic 809 259 $13,577
Metformin Hcl Generic 208 66 $2,864
Mounjaro (Tirzepatide) Brand 195 50 $279,422
Ozempic (Semaglutide) Brand 143 50 $235,625
Atorvastatin Calcium Generic 140 45 $2,799
Glipizide Generic 131 48 $2,094
Jardiance (Empagliflozin) Brand 130 32 $161,053
Novolog Flexpen (Insulin Aspart) Brand 123 41 $160,676
Humulin R U-500 Kwikpen (Insulin Regular, Human) Brand 110 15 $160,662
Metformin Hcl Er (Metformin Hcl) Brand 101 36 $2,537

Frequently asked questions

Auto-generated from federal data
What is Dr. Christian Mangrum's medical specialty?
Dr. Christian Mangrum practices Endocrinology, Diabetes & Metabolism Physician in Oklahoma City, OK.
Where does Dr. Christian Mangrum practice?
Dr. Christian Mangrum practices at 4345 W Memorial RD Ste 110, Oklahoma City, OK 731341717. Office phone: 4059514160.
What is Dr. Christian Mangrum's NPI?
Dr. Christian Mangrum's National Provider Identifier (NPI) is 1568789675, issued by NPPES.
Does Dr. Christian Mangrum accept Medicare assignment?
Yes. Dr. Christian Mangrum accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Christian Mangrum commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Hemoglobin a1c level (HCPCS 83036); Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report (HCPCS 95251). Source: CMS Medicare Physician & Other Practitioners file.