Quick answers
- Does Ambujam R. Krishnan accept Medicare assignment?
- Yes. Medicare's clinician data says Ambujam R. Krishnan 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 Ambujam R. Krishnan see?
- In 2024, CMS data shows 101 Original Medicare patients and 198 services for Ambujam R. Krishnan. This counts Original Medicare only and measures volume, not quality.
- What is Ambujam R. Krishnan's NPI number?
- 1548231749. 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 Ambujam R. Krishnan, 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 | 101 |
|---|---|
| Services billed to Medicare | 198 |
| Different services or procedures | 11 |
| Participating Medicare provider | Yes |
| Average age of these patients | 69 |
Most frequent services
- Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and (G0180)99 services
- Physician or allowed practitioner supervision of a patient receiving medicare-covered services provided by a participating home health agency (patient not present) requiring complex and multidisciplinary care modalities involving regular physician or allow (G0181)72 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%
- Arthritis75%
- COPD65%
- Diabetes58%
- Depression56%
Hospitals where Ambujam R. Krishnan works
Medicare's Facility Affiliation Data lists Ambujam R. Krishnan 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.
- St Joe Mercy Hospital System LivoniaLivonia, MI · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 230002
Practice locations
Addresses where Ambujam R. Krishnan is enrolled with Medicare (CMS data updated October 2, 2026).
- 14825 W McNichols RdDetroit, MI 48235 (734) 772‑4722
- 15140 Levan Rd, Suite 40Livonia, MI 48154 (313) 615‑7441
Group practices
Medicare enrollment lists Ambujam R. Krishnan as a member of these groups (CMS data updated October 2, 2026).
- VPS of MI PLLC4 clinicians in the group
- American Visiting Providers PLLC2 clinicians in the group
Specialties
- Family Practiceprimary
- Hematology/Oncologyalso
Other family doctors in Detroit
Clinicians with the same Medicare primary specialty in Detroit, MI — not a recommendation.
Other clinicians in VPS of MI PLLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1974 (52 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1548231749 |
| 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