Manuel Calvin, MD
NPI 1396744678 · Rheumatology Physician · Tulsa, OK
Enrolled with Medicare as Practitioner - Rheumatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Manuel Calvin, MD is a Rheumatology Physician provider in Tulsa, OK (NPI 1396744678).
Provider details
- NPI number
- 1396744678
- Entity type
- Individual
- Primary specialty
- Rheumatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 16762 (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
1,952 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 | 1,071 | $118 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 789 | $15 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 40 | $13 |
| Aspiration And/Or Injection of Fluid From Large Joint20610 | 21 | $61 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 20 | $84 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 113 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Hydroxychloroquine Sulfate | 1,669 | 436 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 1,136 | 190 |
| Prednisone | 757 | 242 |
| Methotrexate Sodiumbrand: Methotrexate | 697 | 188 |
| Gabapentin | 438 | 93 |
| Tramadol Hcl | 406 | 84 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$3,494 across 163 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
- 2005-07-19
- Last updated
- 2017-01-23
Frequently asked questions
- What is Manuel Calvin's NPI number?
- Manuel Calvin's National Provider Identifier (NPI) is 1396744678, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Manuel Calvin's specialty?
- Manuel Calvin is listed in the NPPES registry with a primary specialty of Rheumatology Physician (Allopathic & Osteopathic Physicians).
- Where is Manuel Calvin located?
- Manuel Calvin's practice location on file with NPPES is 6160 S Yale Ave, Tulsa, OK 74136-1930.
- What is Manuel Calvin's phone number?
- The practice phone number listed in the NPPES registry for Manuel Calvin is (918) 497-3140.
- Does Manuel Calvin accept Medicare?
- Manuel Calvin is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Manuel Calvin's NPI active?
- Yes — Manuel Calvin's NPI (1396744678) is active in the NPPES registry as of the last update on 2017-01-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.