Quick answers
- Does Theresa Baker accept Medicare assignment?
- Yes. Medicare's clinician data says Theresa Baker 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 Theresa Baker see?
- In 2024, CMS data shows 48 Original Medicare patients and 49 services for Theresa Baker. This counts Original Medicare only and measures volume, not quality.
- What is Theresa Baker's NPI number?
- 1396821922. 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 Theresa Baker, 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 | 48 |
|---|---|
| Services billed to Medicare | 49 |
| Different services or procedures | 6 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Anesthesia for other procedure on eye (00140)17 services
- Anesthesia for lens surgery (00142)16 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 cholesterol75%
- High blood pressure69%
- Arthritis40%
- Diabetes35%
- Osteoporosis29%
Hospitals where Theresa Baker works
Medicare's Facility Affiliation Data lists Theresa Baker 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.
- NY Eye and Ear Infirmary of Mount SinaiNew York, NY · Acute Care Hospital · Emergency services: not listed by Medicare · CCN 330100
Practice locations
Addresses where Theresa Baker is enrolled with Medicare (CMS data updated October 2, 2026).
- 16 W 25th StNew York, NY 10010 (212) 516‑8211
- 310 E 14th StNew York, NY 10003 (212) 979‑4000
Group practices
Medicare enrollment lists Theresa Baker as a member of this group (CMS data updated October 2, 2026).
- Icahn School of Medicine at Mount Sinai176 clinicians in the group
Specialties
Find other clinicians: Certified Registered Nurse Anesthetist (CRNA), New York →
Other nurse anesthetists in New York
Clinicians with the same Medicare primary specialty in New York, NY — not a recommendation.
Other clinicians in Icahn School of Medicine at Mount Sinai
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | CNA |
|---|---|
| Graduation year | 1988 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1396821922 |
| 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