NPPES file of Aug 9, 2026

Muhammad Talha Tahir, M.D.

Internal Medicine Physician · Mason City, IA

Muhammad Talha Tahir, M.D. is an internal medicine physician with a practice address in Mason City, Iowa, and NPI 1316512197, issued on May 24, 2021. Check the license (Iowa R-13318, as entered in NPPES) on the Iowa Board of Medicine; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1316512197
Name
Muhammad Talha Tahir
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License numbers
R-13318 IA
TL.0008964 CO
Self-reported in NPPES; status is on the state search
Practice location
250 S Crescent Dr, Mason City, IA 50401
Phone
(641) 494-5300
Enumerated
May 24, 2021
Record last updated
Aug 26, 2024
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 250 S Crescent Dr

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Christopher Adams, M.D.Urology Physician1336301563
  2. Andrea Anderson, PMHNPPsychiatric/Mental Health Nurse Practitioner1760065023
  3. Byron Beasley, MDCardiovascular Disease Physician1053398180
  4. Donald Beitzel, P.A.Physician Assistant1518939982
  5. Gregory Blank, PAPhysician Assistant1831161736
  6. Chad Boyer, PA-CPhysician Assistant1265638829

Verify Muhammad Talha Tahir in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIowa Board of Medicine
    Search for license R-13318
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Iowa license search

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85% fewer Medicare Part D claims than the average internal medicine physician in 2024

483 Medicare Part D claims for 90 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims.

  1. Muhammad Tahir483
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium37 claims
  2. Rosuvastatin Calcium28 claims
  3. Losartan Potassium27 claims
  4. Metformin Hcl27 claims
  5. Levothyroxine Sodium26 claims
  6. Metoprolol Succinate19 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $1,443.84

25 payments; by number, the most common kind was food and beverage; the largest payer was Abbott Laboratories. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Muhammad Tahir$1,443.84
  2. Specialty average$1,303.06

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Muhammad Talha Tahir among 871 internal medicine physician records in Iowa

Muhammad Talha Tahir, M.D. is one of 871 internal medicine physician records with a practice address in Iowa. 70% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 70% of them.

  • NPI issued2021 · 70% of these records are older, 27% newer
  • In a Medicare fileYes · 70% of these records are
  • In the CMS Doctors and Clinicians fileNo · 44% of these records are
  • Record last updated2024 · 46% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Iowa practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

36 internal medicine physician records list a practice address in Mason City

They are 36 of the 866 NPPES records with a practice address in Mason City, and 871 internal medicine physician records in Iowa.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Phillip Alscher, MDMason City, IA 504011700993888
  2. Vaughan Cipperly, MDMason City, IA 504011942235429
  3. Patrick Dunlay, DOMason City, IA 504011811004294
  4. Melissa Frame, MDMason City, IA 504011881796712
  5. Bruce Harlan, MDMason City, IA 504011336256593
  6. Mark Johnson, MDMason City, IA 504011013923127
  7. Janice Kirsch, MDMason City, IA 504011992809636
  8. Ali Mardan, PHD, MD, RPVI, FACPMason City, IA 504011619905353

Common questions

What is Muhammad Talha Tahir, M.D.'s NPI number?

Muhammad Talha Tahir, M.D.'s National Provider Identifier (NPI) is 1316512197, issued on May 24, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Muhammad Talha Tahir, M.D. located?

The NPPES record lists a practice address at 250 S Crescent Dr, Mason City, IA, 50401. Phone: (641) 494-5300. Providers update this record themselves, so call before visiting.

How can I verify Muhammad Talha Tahir, M.D.'s license?

NPPES lists Iowa license number R-13318, as entered by the provider. Search the Iowa Board of Medicine at https://dial.iowa.gov/about-dial/boards-and-commissions/medicine. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Muhammad Talha Tahir, M.D. prescribe under Medicare Part D?

In 2024, Muhammad Talha Tahir, M.D. had 483 Medicare Part D claims for 90 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.