Muhammad Tahir, M.D.
NPI 1316512197 · Internal Medicine Physician · Mason City, IA
Enrolled with Medicare as Order and Referring Only - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Muhammad Tahir, M.D. is a Internal Medicine Physician provider in Mason City, IA (NPI 1316512197).
Provider details
- NPI number
- 1316512197
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- TL.0008964 (CO)
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 tenure33% of score
5 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 12 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 37 | 14 |
| Rosuvastatin Calcium | 28 | — |
| Losartan Potassium | 27 | 14 |
| Metformin Hcl | 27 | — |
| Levothyroxine Sodium | 26 | — |
| Metoprolol Succinate | 19 | — |
| Tamsulosin Hcl |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,444 across 25 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
- 2021-05-24
- Last updated
- 2024-08-26
- Certified
- 2024-08-26
Frequently asked questions
- What is Muhammad Tahir's NPI number?
- Muhammad Tahir's National Provider Identifier (NPI) is 1316512197, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Muhammad Tahir's specialty?
- Muhammad Tahir is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Muhammad Tahir located?
- Muhammad Tahir's practice location on file with NPPES is 250 S Crescent Dr, Mason City, IA 50401-2926.
- What is Muhammad Tahir's phone number?
- The practice phone number listed in the NPPES registry for Muhammad Tahir is (641) 494-5300.
- Does Muhammad Tahir accept Medicare?
- Muhammad Tahir is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Muhammad Tahir's NPI active?
- Yes — Muhammad Tahir's NPI (1316512197) is active in the NPPES registry as of the last update on 2024-08-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.