David a Chappell MD, Medical Corporation
NPI 1821267162 · Endocrinology, Diabetes & Metabolism Physician · Petaluma, CA
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
David a Chappell MD, Medical Corporation is a Endocrinology, Diabetes & Metabolism Physician organization in Petaluma, CA (NPI 1821267162).
Provider details
- NPI number
- 1821267162
- Entity type
- Organization
- Primary specialty
- Endocrinology, Diabetes & Metabolism PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- David Chappell, Doctor(707) 762-0001
- License
- C40326 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-02-20
- Last updated
- 2008-02-20
Frequently asked questions
- What is David a Chappell MD, Medical Corporation's NPI number?
- David a Chappell MD, Medical Corporation's National Provider Identifier (NPI) is 1821267162, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is David a Chappell MD, Medical Corporation?
- David a Chappell MD, Medical Corporation is classified in the NPPES registry as Endocrinology, Diabetes & Metabolism Physician (Allopathic & Osteopathic Physicians).
- Where is David a Chappell MD, Medical Corporation located?
- David a Chappell MD, Medical Corporation's practice location on file with NPPES is 141 Lynch Creek Way, Petaluma, CA 94954-2341.
- What is David a Chappell MD, Medical Corporation's phone number?
- The practice phone number listed in the NPPES registry for David a Chappell MD, Medical Corporation is (707) 762-0001.
- Does David a Chappell MD, Medical Corporation accept Medicare?
- David a Chappell MD, Medical Corporation is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for David a Chappell MD, Medical Corporation?
- The authorized official listed on David a Chappell MD, Medical Corporation's NPPES record is David Chappell, Doctor. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is David a Chappell MD, Medical Corporation's NPI active?
- Yes — David a Chappell MD, Medical Corporation's NPI (1821267162) is active in the NPPES registry as of the last update on 2008-02-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.