Jean Oak, MD, PHD
NPI 1700178530 · Anatomic Pathology & Clinical Pathology Physician · Stanford, CA
Enrolled with Medicare as Practitioner - Pathology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jean Oak, MD, PHD is a Anatomic Pathology & Clinical Pathology Physician provider in Stanford, CA (NPI 1700178530).
Provider details
- NPI number
- 1700178530
- Entity type
- Individual
- Primary specialty
- Anatomic Pathology & Clinical Pathology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD, PHD
- Sex
- Female
- Sole proprietor
- No
- License
- A122678 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
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
15 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
852 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) |
|---|---|---|
| Flow Cytometry Technique for Dna Or Cell Analysis, 16 Or More Markers88189 | 203 | $94 |
| Flow Cytometry Technique for Dna Or Cell Analysis, 9 to 15 Markers88188 | 127 | $70 |
| Pathology Examination of Tissue Using a Microscope, Intermediate Complexity88305 | 119 | $42 |
| Special Stained Specimen Slides to Examine Tissue, Each Additional Procedure88341 | 112 | $32 |
| Bone Marrow, Smear Interpretation85097 | 70 | $54 |
| Preparation of Tissue for Examination By Removing Any Calcium Present88311 | 68 | $14 |
Practice location
Mailing address
Additional practice locations (1)
- 400 S Flower StUnit 2Orange, CA 92868-3447Phone: (949) 697-0133
Registry dates
- Enumerated
- 2011-05-12
- Last updated
- 2024-03-13
- Certified
- 2024-03-13
Frequently asked questions
- What is Jean Oak's NPI number?
- Jean Oak's National Provider Identifier (NPI) is 1700178530, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jean Oak's specialty?
- Jean Oak is listed in the NPPES registry with a primary specialty of Anatomic Pathology & Clinical Pathology Physician (Allopathic & Osteopathic Physicians).
- Where is Jean Oak located?
- Jean Oak's practice location on file with NPPES is 300 Pasteur Dr, Stanford, CA 94305-2200.
- What is Jean Oak's phone number?
- The practice phone number listed in the NPPES registry for Jean Oak is (650) 723-4000.
- Does Jean Oak accept Medicare?
- Jean Oak is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jean Oak's NPI active?
- Yes — Jean Oak's NPI (1700178530) 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.