Quick answers
- Does Alana F. Shain accept Medicare assignment?
- Yes. Medicare's clinician data says Alana F. Shain 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 Alana F. Shain see?
- In 2024, CMS data shows 600 Original Medicare patients and 2,336 services for Alana F. Shain. This counts Original Medicare only and measures volume, not quality.
- What is Alana F. Shain's NPI number?
- 1538566526. 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 Alana F. Shain, 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 | 600 |
|---|---|
| Services billed to Medicare | 2,336 |
| Different services or procedures | 33 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Pathology examination of tissue using a microscope, intermediate complexity (88305)662 services
- Special stained specimen slides to examine tissue, each additional procedure (88341)420 services
- Special stained specimen slides to examine tissue, initial procedure (88342)261 services
- Microscopic genetic analysis of tumor, manual (88360)162 services
- Pathology examination of tissue using a microscope, moderately high complexity (88307)115 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%
- Diabetes49%
- Arthritis48%
- Chronic kidney disease43%
- Ischemic heart disease38%
Hospitals where Alana F. Shain works
Medicare's Facility Affiliation Data lists Alana F. Shain 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 Rose HospitalHayward, CA · Acute Care Hospital · Medicare rating: 1 of 5 stars · Emergency services: not listed by Medicare · CCN 050002
- Washington HospitalFremont, CA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 050195
Practice locations
Addresses where Alana F. Shain is enrolled with Medicare (CMS data updated October 2, 2026).
- 2000 Mowry AveFremont, CA 94538 (810) 797‑1111
- 2070 Clinton AveAlameda, CA 94501 (510) 522‑3700
- 4501 Sand Creek RdAntioch, CA 94531 (925) 813‑6500
Group practices
Medicare enrollment lists Alana F. Shain as a member of these groups (CMS data updated October 2, 2026).
- Permanente Medical Group Inc10,996 clinicians in the group
- Western Laboratories8 clinicians in the group
Specialties
- Pathologyprimary
Other pathologists in Fremont
Clinicians with the same Medicare primary specialty in Fremont, CA — not a recommendation.
Other clinicians in Permanente Medical Group Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Stanford University School Of Medicine |
| Graduation year | 2011 (15 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1538566526 |
| 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