Mary Hinojos Mamut, DO
NPI 1518314939 · Rheumatology Physician · Tulsa, OK
Enrolled with Medicare as Practitioner - Rheumatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mary Hinojos Mamut, DO is a Rheumatology Physician provider in Tulsa, OK (NPI 1518314939).
Provider details
- NPI number
- 1518314939
- Entity type
- Individual
- Primary specialty
- Rheumatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Female
- Sole proprietor
- No
- License
- OS16300 (FL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
10 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
354 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) |
|---|---|---|
| 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 | 160 | $15 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 136 | $118 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 40 | $155 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 18 | $84 |
Typical Medicare-allowed amounts for these services range $15–$155 (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 · 15 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Methotrexate Sodiumbrand: Methotrexate | 100 | 37 |
| Hydroxychloroquine Sulfate | 100 | 49 |
| Prednisone | 79 | 36 |
| Gabapentin | 79 | 25 |
| Leflunomide | 44 | 12 |
| Meloxicam | 29 | 17 |
| Methotrexate Sodium/Pfbrand: Methotrexate Sodium | 28 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$3,683 across 157 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
- 2016-05-16
- Last updated
- 2023-09-14
- Certified
- 2023-09-14
Frequently asked questions
- What is Mary Hinojos Mamut's NPI number?
- Mary Hinojos Mamut's National Provider Identifier (NPI) is 1518314939, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Hinojos Mamut's specialty?
- Mary Hinojos Mamut is listed in the NPPES registry with a primary specialty of Rheumatology Physician (Allopathic & Osteopathic Physicians).
- Where is Mary Hinojos Mamut located?
- Mary Hinojos Mamut's practice location on file with NPPES is 6160 S Yale Ave, Tulsa, OK 74136-1930.
- What is Mary Hinojos Mamut's phone number?
- The practice phone number listed in the NPPES registry for Mary Hinojos Mamut is (918) 495-2685.
- Does Mary Hinojos Mamut accept Medicare?
- Mary Hinojos Mamut is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mary Hinojos Mamut's NPI active?
- Yes — Mary Hinojos Mamut's NPI (1518314939) is active in the NPPES registry as of the last update on 2023-09-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.