Doctor profile · Federal record

Dr. Christine Guillermo, MHS PA-C

Physician Assistant · Emergency Medicine Physician · Medical Physician Assistant · Oklahoma City, OK

  • NPI 1871655217
  • Accepts Medicare
  • 22 yrs in practice
  • Licensed in 2 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
4021 S Walker Ave Ste 201
Oklahoma City, OK 731096977
(405) 246-3950
fax (844) 689-9671
Mailing address
3000 N Grand Blvd
Oklahoma City, OK 731071818

Credentials & registration

NPPES · NUCC
NPI registered
December 2006 — 20 yrs on file
Profile last updated
August 25, 2022
Year of graduation
2004 — 22 yrs since
Specialty taxonomy
363A00000X — NUCC code
State licenses (2)
Oklahoma #1439 · Colorado #2215
Medicaid
OK #200071440A

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1871655217. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
29
Distinct HCPCS
1
Medicare allowed
$276
HCPCS Description Services Patients Avg allowed
83036 Hemoglobin a1c level 29 22 $10

In context: peer comparison

Among 153 peers in this city , average services per provider: 162. This provider delivers 0.2× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$34
Transactions
2
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Exact Sciences Corporation 2 $33.96

By nature of payment

Food and Beverage
$34

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
921
Patients
377
Total drug cost
$100,126
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 132 59 $2,310
Metformin Hcl Generic 114 45 $1,194
Lisinopril Generic 97 42 $1,014
Amlodipine Besylate Generic 80 31 $797
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 76 28 $2,423
Losartan Potassium Generic 58 26 $988
Tradjenta (Linagliptin) Brand 50 23 $62,330
Levothyroxine Sodium Generic 47 15 $715
Gabapentin Generic 45 18 $1,168
Pantoprazole Sodium Generic 44 18 $581

Frequently asked questions

Auto-generated from federal data
What is Dr. Christine Guillermo's medical specialty?
Dr. Christine Guillermo practices Physician Assistant in Oklahoma City, OK.
Where does Dr. Christine Guillermo practice?
Dr. Christine Guillermo practices at 4021 S Walker Ave Ste 201, Oklahoma City, OK 731096977. Office phone: 4052463950.
What is Dr. Christine Guillermo's NPI?
Dr. Christine Guillermo's National Provider Identifier (NPI) is 1871655217, issued by NPPES.
Does Dr. Christine Guillermo accept Medicare assignment?
Yes. Dr. Christine Guillermo accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Christine Guillermo commonly perform?
Top Medicare-reported procedures in 2023: Hemoglobin a1c level (HCPCS 83036). Source: CMS Medicare Physician & Other Practitioners file.