Robert Arthur, MD
NPI 1275531519 · Rheumatology Physician · Oklahoma City, OK
Enrolled with Medicare as Practitioner - Rheumatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Robert Arthur, MD is a Rheumatology Physician provider in Oklahoma City, OK (NPI 1275531519).
Provider details
- NPI number
- 1275531519
- Entity type
- Individual
- Primary specialty
- Rheumatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 11712 (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
67 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 | 55 | $91 |
| Aspiration And/Or Injection of Fluid From Large Joint20610 | 12 | $51 |
Typical Medicare-allowed amounts for these services range $51–$91 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Methotrexate Sodiumbrand: Methotrexate | 85 | 57 |
| Hydroxychloroquine Sulfate | 75 | 44 |
| Leflunomide | 61 | 39 |
| Sulfasalazine | 51 | 26 |
| Gabapentin | 38 | 21 |
| Allopurinol | 37 | 25 |
| Pilocarpine Hcl | 26 | 13 |
| Tramadol Hcl |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$40 across 1 record (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
- 2005-07-11
- Last updated
- 2021-12-23
- Certified
- 2021-12-23
Frequently asked questions
- What is Robert Arthur's NPI number?
- Robert Arthur's National Provider Identifier (NPI) is 1275531519, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Robert Arthur's specialty?
- Robert Arthur is listed in the NPPES registry with a primary specialty of Rheumatology Physician (Allopathic & Osteopathic Physicians).
- Where is Robert Arthur located?
- Robert Arthur's practice location on file with NPPES is 9600 Broadway Ext, Oklahoma City, OK 73114-7408.
- What is Robert Arthur's phone number?
- The practice phone number listed in the NPPES registry for Robert Arthur is (405) 230-9000.
- Does Robert Arthur accept Medicare?
- Robert Arthur is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Robert Arthur's NPI active?
- Yes — Robert Arthur's NPI (1275531519) is active in the NPPES registry as of the last update on 2021-12-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.