Therese Posas-Mendoza, MD
NPI 1538566062 · Rheumatology Physician · Covington, LA
Enrolled with Medicare as Practitioner - Rheumatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Therese Posas-Mendoza, MD is a Rheumatology Physician provider in Covington, LA (NPI 1538566062).
Provider details
- NPI number
- 1538566062
- Entity type
- Individual
- Primary specialty
- Rheumatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
11 yrs in NPPES registry
- Profile completeness25% of score
83% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
512 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 High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 254 | $135 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 208 | $91 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More99205 | 27 | $165 |
| Aspiration And/Or Injection of Fluid From Large Joint20610 | 23 | $53 |
Typical Medicare-allowed amounts for these services range $53–$165 (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 · 41 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Methotrexate Sodiumbrand: Methotrexate | 502 | 145 |
| Hydroxychloroquine Sulfate | 382 | 120 |
| Prednisone | 277 | 110 |
| Tramadol Hcl | 207 | 57 |
| Abataceptbrand: Orencia Clickject | 204 | 30 |
| Adalimumabbrand: Humira(cf) Pen | 176 | 26 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,277 across 68 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
Additional practice locations (1)
- 1356 Lusitana St Ste 510Honolulu, HI 96813-2409Phone: (808) 586-2890
Registry dates
- Enumerated
- 2014-11-26
- Last updated
- 2022-11-16
- Certified
- 2022-11-16
Frequently asked questions
- What is Therese Posas-Mendoza's NPI number?
- Therese Posas-Mendoza's National Provider Identifier (NPI) is 1538566062, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Therese Posas-Mendoza's specialty?
- Therese Posas-Mendoza is listed in the NPPES registry with a primary specialty of Rheumatology Physician (Allopathic & Osteopathic Physicians).
- Where is Therese Posas-Mendoza located?
- Therese Posas-Mendoza's practice location on file with NPPES is 1341 Ochsner Blvd, Covington, LA 70433-8172.
- What is Therese Posas-Mendoza's phone number?
- The practice phone number listed in the NPPES registry for Therese Posas-Mendoza is (985) 875-2828.
- Does Therese Posas-Mendoza accept Medicare?
- Therese Posas-Mendoza is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Therese Posas-Mendoza's NPI active?
- Yes — Therese Posas-Mendoza's NPI (1538566062) is active in the NPPES registry as of the last update on 2022-11-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.