Ann Folkins, MD
NPI 1053448415 · Anatomic Pathology & Clinical Pathology Physician · Stanford, CA
Enrolled with Medicare as Practitioner - Pathology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ann Folkins, MD is a Anatomic Pathology & Clinical Pathology Physician provider in Stanford, CA (NPI 1053448415).
Provider details
- NPI number
- 1053448415
- Entity type
- Individual
- Primary specialty
- Anatomic Pathology & Clinical Pathology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- Yes
- License
- A106950 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
818 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Special Stained Specimen Slides to Examine Tissue, Each Additional Procedure88341 | 233 | $32 |
| Pathology Examination of Tissue Using a Microscope, Intermediate Complexity88305 | 190 | $42 |
| Special Stained Specimen Slides to Examine Tissue, Initial Procedure88342 | 94 | $39 |
| Microscopic Genetic Analysis of Tumor, Manual88360 | 87 | $47 |
| Pathology Examination of Tissue Using a Microscope, Moderately High Complexity88307 | 71 | $93 |
| Pathology Examination of Specimen During Surgery, First Tissue Block88331 | 47 | $70 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-02-27
- Last updated
- 2024-03-13
- Certified
- 2024-03-13
Frequently asked questions
- What is Ann Folkins's NPI number?
- Ann Folkins's National Provider Identifier (NPI) is 1053448415, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ann Folkins's specialty?
- Ann Folkins is listed in the NPPES registry with a primary specialty of Anatomic Pathology & Clinical Pathology Physician (Allopathic & Osteopathic Physicians).
- Where is Ann Folkins located?
- Ann Folkins's practice location on file with NPPES is 300 Pasteur Dr, Stanford, CA 94305-2200.
- What is Ann Folkins's phone number?
- The practice phone number listed in the NPPES registry for Ann Folkins is (650) 723-4000.
- Does Ann Folkins accept Medicare?
- Ann Folkins is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ann Folkins's NPI active?
- Yes — Ann Folkins's NPI (1053448415) is active in the NPPES registry as of the last update on 2024-03-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.