Ann Deltredici, M.S., R.D.
NPI 1659436285 · Registered Dietitian · Kentfield, CA
Enrolled with Medicare as Practitioner - Registered Dietitian Or Nutrition Professional · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ann Deltredici, M.S., R.D. is a Registered Dietitian provider in Kentfield, CA (NPI 1659436285).
Provider details
- NPI number
- 1659436285
- Entity type
- Individual
- Primary specialty
- Registered DietitianDietary & Nutritional Service Providers
- Credential
- M.S., R.D.
- Sex
- Female
- Sole proprietor
- Yes
Specialties & taxonomies
Dietary & Nutritional Service Providers
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
83% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
493 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) |
|---|---|---|
| Medical Nutrition Therapy; Reassessment and Subsequent Intervention(s) Following Second Referral in Same Year for Change in Diagnosis, Medical Condition Or Treatment Regimen (including Additional Hours Needed for Renal Disease), Individual, Face to Face WiG0270 | 406 | $33 |
| Therapy Procedure Reassessment for Nutrition Management, Each 15 Minutes97803 | 87 | $33 |
Typical Medicare-allowed amounts for these services range $33–$33 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote 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
Registry dates
- Enumerated
- 2006-12-26
- Last updated
- 2007-07-08
Frequently asked questions
- What is Ann Deltredici's NPI number?
- Ann Deltredici's National Provider Identifier (NPI) is 1659436285, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ann Deltredici's specialty?
- Ann Deltredici is listed in the NPPES registry with a primary specialty of Registered Dietitian (Dietary & Nutritional Service Providers).
- Where is Ann Deltredici located?
- Ann Deltredici's practice location on file with NPPES is 929 Sir Francis Drake Blvd, Kentfield, CA 94904-1548.
- What is Ann Deltredici's phone number?
- The practice phone number listed in the NPPES registry for Ann Deltredici is (415) 256-1301.
- Does Ann Deltredici accept Medicare?
- Ann Deltredici is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ann Deltredici's NPI active?
- Yes — Ann Deltredici's NPI (1659436285) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.