Muhammad Gillan, MD
NPI 1114918869 · Rheumatology Physician · Oklahoma City, OK
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Muhammad Gillan, MD is a Rheumatology Physician provider in Oklahoma City, OK (NPI 1114918869).
Provider details
- NPI number
- 1114918869
- Entity type
- Individual
- Primary specialty
- Rheumatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 21301 (OK)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
2,678 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 917 | $109 |
| X-Ray of Foot, Minimum of 3 Views73630 | 356 | $28 |
| X-Ray of Hand, 2 Views73120 | 352 | $26 |
| X-Ray of Knee, 1-2 Views73560 | 289 | $28 |
| Infusion Into a Vein for Therapy, Prevention, Or Diagnosis, 1 Hour Or Less96365 | 219 | $51 |
| X-Ray of Entire Middle and Lower Spine, 2-3 Views72082 | 177 | $58 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 28 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 526 | 60 |
| Tramadol Hcl | 199 | 36 |
| Oxycodone Hcl/Acetaminophenbrand: Oxycodone-Acetaminophen | 95 | — |
| Hydroxychloroquine Sulfate | 90 | 28 |
| Gabapentin | 65 | 18 |
| Methotrexate Sodiumbrand: Methotrexate | 55 | 15 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$2,547 across 129 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-11-02
- Last updated
- 2008-08-04
Frequently asked questions
- What is Muhammad Gillan's NPI number?
- Muhammad Gillan's National Provider Identifier (NPI) is 1114918869, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Muhammad Gillan's specialty?
- Muhammad Gillan is listed in the NPPES registry with a primary specialty of Rheumatology Physician (Allopathic & Osteopathic Physicians).
- Where is Muhammad Gillan located?
- Muhammad Gillan's practice location on file with NPPES is 1211 N Shartel Ave, Oklahoma City, OK 73103-2400.
- What is Muhammad Gillan's phone number?
- The practice phone number listed in the NPPES registry for Muhammad Gillan is (405) 702-6700.
- Does Muhammad Gillan accept Medicare?
- Muhammad Gillan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Muhammad Gillan's NPI active?
- Yes — Muhammad Gillan's NPI (1114918869) is active in the NPPES registry as of the last update on 2008-08-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.