A. Grant Kingsbury, MD, Inc
NPI 1588650626 · Internal Medicine Physician · San Diego, CA
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
A. Grant Kingsbury, MD, Inc is a Internal Medicine Physician organization in San Diego, CA (NPI 1588650626).
Provider details
- NPI number
- 1588650626
- Entity type
- Organization
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Arthur Kingsbury, President(619) 298-2900
- License
- 2000-003562 (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
20 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
- 2005-09-23
- Last updated
- 2007-10-09
Frequently asked questions
- What is A. Grant Kingsbury, MD, Inc's NPI number?
- A. Grant Kingsbury, MD, Inc's National Provider Identifier (NPI) is 1588650626, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is A. Grant Kingsbury, MD, Inc?
- A. Grant Kingsbury, MD, Inc is classified in the NPPES registry as Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is A. Grant Kingsbury, MD, Inc located?
- A. Grant Kingsbury, MD, Inc's practice location on file with NPPES is 4060 4th Ave, San Diego, CA 92103-2116.
- What is A. Grant Kingsbury, MD, Inc's phone number?
- The practice phone number listed in the NPPES registry for A. Grant Kingsbury, MD, Inc is (619) 298-2900.
- Does A. Grant Kingsbury, MD, Inc accept Medicare?
- A. Grant Kingsbury, MD, Inc 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 A. Grant Kingsbury, MD, Inc?
- The authorized official listed on A. Grant Kingsbury, MD, Inc's NPPES record is Arthur Kingsbury, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is A. Grant Kingsbury, MD, Inc's NPI active?
- Yes — A. Grant Kingsbury, MD, Inc's NPI (1588650626) is active in the NPPES registry as of the last update on 2007-10-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.