Ann Denevan, CRNA
NPI 1295257897 · Certified Registered Nurse Anesthetist · Stanford, CA
Enrolled with Medicare as Practitioner - Certified Registered Nurse Anesthetist (crna) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ann Denevan, CRNA is a Certified Registered Nurse Anesthetist provider in Stanford, CA (NPI 1295257897).
Provider details
- NPI number
- 1295257897
- Entity type
- Individual
- Primary specialty
- Certified Registered Nurse AnesthetistPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- CRNA
- Sex
- Female
- Sole proprietor
- No
- License
- 123567 (TX)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
8 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
116 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) |
|---|---|---|
| Anesthesia for Lens Surgery00142 | 35 | $79 |
| Anesthesia for Other Procedure on Esophagus, Stomach, Or Upper Small Bowel Using an Endoscope00731 | 29 | $97 |
| Anesthesia for Other Procedure on Large Bowel Using an Endoscope00811 | 17 | $97 |
| Anesthesia for Procedure on Eyelid00103 | 12 | $104 |
| Anesthesia for Other Procedure on Eye00140 | 12 | $103 |
| Anesthesia for Other Procedure on Skin, Muscles, Or Nerves of Head, Neck, and Upper Back00300 | 11 | $187 |
Typical Medicare-allowed amounts for these services range $79–$187 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
Practice location
Mailing address
Additional practice locations (1)
- 36065 Santa Fe AveFort Hood, TX 76544-5060Phone: (254) 288-8000
Registry dates
- Enumerated
- 2017-07-14
- Last updated
- 2026-02-02
- Certified
- 2026-02-02
Frequently asked questions
- What is Ann Denevan's NPI number?
- Ann Denevan's National Provider Identifier (NPI) is 1295257897, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ann Denevan's specialty?
- Ann Denevan is listed in the NPPES registry with a primary specialty of Certified Registered Nurse Anesthetist (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Ann Denevan located?
- Ann Denevan's practice location on file with NPPES is 300 Pasteur Dr, Stanford, CA 94305-2200.
- What is Ann Denevan's phone number?
- The practice phone number listed in the NPPES registry for Ann Denevan is (650) 723-4000.
- Does Ann Denevan accept Medicare?
- Ann Denevan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ann Denevan's NPI active?
- Yes — Ann Denevan's NPI (1295257897) is active in the NPPES registry as of the last update on 2026-02-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.