Quick answers
- Does Mubashir Mahmood accept Medicare assignment?
- Yes. Medicare's clinician data says Mubashir Mahmood accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Mubashir Mahmood see?
- In 2024, CMS data shows 365 Original Medicare patients and 8,697 services for Mubashir Mahmood. This counts Original Medicare only and measures volume, not quality.
- What is Mubashir Mahmood's NPI number?
- 1316997398. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Mubashir Mahmood, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 365 |
|---|---|
| Services billed to Medicare | 8,697 |
| Different services or procedures | 104 |
| Participating Medicare provider | Yes |
| Average age of these patients | 70 |
Most frequent services
- Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count (85025)240 services
- Blood test, comprehensive group of blood chemicals (80053)238 services
- Automated urinalysis test (81003)228 services
- Hemoglobin a1c level (83036)209 services
- Blood test, thyroid stimulating hormone (tsh) (84443)194 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure75%
- High cholesterol75%
- Arthritis57%
- Diabetes48%
- Osteoporosis37%
- Anxiety33%
Hospitals where Mubashir Mahmood works
Medicare's Facility Affiliation Data lists Mubashir Mahmood at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- University Health System, IncKnoxville, TN · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 440015
Practice locations
Addresses where Mubashir Mahmood is enrolled with Medicare (CMS data updated October 2, 2026).
- 420 W Morris Blvd, Suite 400hMorristown, TN 37813 (423) 586‑4545
- 657 E Broadway Blvd, Suite AJefferson City, TN 37760 (865) 475‑9062
Group practices
Medicare enrollment lists Mubashir Mahmood as a member of this group (CMS data updated October 2, 2026).
- Healthstar Physicians PC88 clinicians in the group
Specialties
- Endocrinologyprimary
- Internal Medicinealso
Other endocrinologists in Tennessee
Clinicians with the same Medicare primary specialty in Tennessee — not a recommendation.
Other clinicians in Healthstar Physicians PC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1991 (35 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1316997398 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians