Ann Corsi, MD
NPI 1568418630 · Rheumatology Physician · Missoula, MT
Ann Corsi, MD is a Rheumatology Physician provider in Missoula, MT (NPI 1568418630).
Provider details
- NPI number
- 1568418630
- Entity type
- Individual
- Primary specialty
- Rheumatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 8764 (MT)
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
287 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 | 97 | $125 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 85 | $174 |
| Infusion Into a Vein for Therapy, Prevention, Or Diagnosis, 1 Hour Or Less96365 | 67 | $61 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 38 | $9 |
Typical Medicare-allowed amounts for these services range $9–$174 (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 · 25 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisone | 186 | 71 |
| Hydroxychloroquine Sulfate | 160 | 81 |
| Methotrexate Sodiumbrand: Methotrexate | 119 | 70 |
| Gabapentin | 60 | 25 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 49 | 19 |
| Meloxicam | 41 | 21 |
| Celecoxib |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$421 across 14 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
- 2006-05-26
- Last updated
- 2021-06-21
- Certified
- 2021-06-21
Frequently asked questions
- What is Ann Corsi's NPI number?
- Ann Corsi's National Provider Identifier (NPI) is 1568418630, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ann Corsi's specialty?
- Ann Corsi is listed in the NPPES registry with a primary specialty of Rheumatology Physician (Allopathic & Osteopathic Physicians).
- Where is Ann Corsi located?
- Ann Corsi's practice location on file with NPPES is 500 West Broadway, Missoula, MT 59802-4008.
- What is Ann Corsi's phone number?
- The practice phone number listed in the NPPES registry for Ann Corsi is (406) 721-5600.
- Is Ann Corsi's NPI active?
- Yes — Ann Corsi's NPI (1568418630) is active in the NPPES registry as of the last update on 2021-06-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.