Quick answers
- Does Karen A. Finkelstein accept Medicare assignment?
- Yes. Medicare's clinician data says Karen A. Finkelstein 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 Karen A. Finkelstein see?
- In 2024, CMS data shows 431 Original Medicare patients and 44,482 services for Karen A. Finkelstein. This counts Original Medicare only and measures volume, not quality.
- What is Karen A. Finkelstein's NPI number?
- 1881643989. 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 Karen A. Finkelstein, 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 | 431 |
|---|---|
| Services billed to Medicare | 44,482 |
| Different services or procedures | 95 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Injection, paclitaxel, 1 mg (J9267)15,279 services
- Injection, pembrolizumab, 1 mg (J9271)9,000 services
- Injection, aprepitant, 1 mg (J0185)6,760 services
- Injection, bevacizumab-adcd (vegzelma), biosimilar, 10 mg (Q5129)1,760 services
- Injection, dexamethasone sodium phosphate, 1 mg (J1100)1,650 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 cholesterol61%
- High blood pressure53%
- Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)50%
- Arthritis43%
- Osteoporosis26%
- Diabetes22%
Hospitals where Karen A. Finkelstein works
Medicare's Facility Affiliation Data lists Karen A. Finkelstein 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.
- CHRISTUS St Vincent Regional Medical CenterSanta Fe, NM · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 320002
- Cibola General HospitalGrants, NM · Critical Access Hospital · Emergency services: listed by Medicare · CCN 321308
- Lovelace Women's HospitalAlbuquerque, NM · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 320017
- Presbyterian HospitalAlbuquerque, NM · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 320021
- San Juan Regional Medical Center IncFarmington, NM · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 320005
Practice locations
Addresses where Karen A. Finkelstein is enrolled with Medicare (CMS data updated October 2, 2026).
- 2025 Galisteo St, Suite BSanta Fe, NM 87505 (505) 843‑7813
- 2400 Unser Blvd SE, Suite 28300Albuquerque, NM 87124 (505) 843‑7813
Group practices
Medicare enrollment lists Karen A. Finkelstein as a member of this group (CMS data updated October 2, 2026).
- Southwest Women's Oncology Inc12 clinicians in the group
Specialties
- Gynecological Oncologyprimary
Other gynecologic oncologists in New Mexico
Clinicians with the same Medicare primary specialty in New Mexico — not a recommendation.
Other clinicians in Southwest Women's Oncology Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | State University Of New York Downstate Medical Center |
| Graduation year | 1997 (29 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1881643989 |
| 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