Claire Graves, M.D.
NPI 1588921795 · Surgical Oncology Physician · Sacramento, CA
Enrolled with Medicare as Practitioner - General Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Claire Graves, M.D. is a Surgical Oncology Physician provider in Sacramento, CA (NPI 1588921795).
Provider details
- NPI number
- 1588921795
- Entity type
- Individual
- Primary specialty
- Surgical Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- A137953 (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
14 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
286 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) |
|---|---|---|
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 53 | $135 |
| Removal Or Exploration of Parathyroid Glands60500 | 50 | $947 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More99205 | 46 | $183 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 41 | $66 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 29 | $99 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'S |
Practice location
Mailing address
Registry dates
- Enumerated
- 2012-04-13
- Last updated
- 2020-09-23
- Certified
- 2020-09-23
Frequently asked questions
- What is Claire Graves's NPI number?
- Claire Graves's National Provider Identifier (NPI) is 1588921795, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Claire Graves's specialty?
- Claire Graves is listed in the NPPES registry with a primary specialty of Surgical Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Claire Graves located?
- Claire Graves's practice location on file with NPPES is 4501 X Street, Suite 3010, Sacramento, CA 95817-1418.
- What is Claire Graves's phone number?
- The practice phone number listed in the NPPES registry for Claire Graves is (916) 734-5959.
- Does Claire Graves accept Medicare?
- Claire Graves is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Claire Graves's NPI active?
- Yes — Claire Graves's NPI (1588921795) is active in the NPPES registry as of the last update on 2020-09-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.