Roy Harper Jackson M D Inc
NPI 1659452092 · Internal Medicine Physician · Pasadena, CA
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Roy Harper Jackson M D Inc is a Internal Medicine Physician organization in Pasadena, CA (NPI 1659452092).
Provider details
- NPI number
- 1659452092
- Entity type
- Organization
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Roy Jackson, President Ceo(626) 792-4185
- License
- G30184 (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
19 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
Other names (DBA / former)
- Doing business as
- Health Care Institute Medical Group
- Doing business as
- Health Care Institute Medical Group
Registry dates
- Enumerated
- 2006-10-18
- Last updated
- 2025-11-24
- Certified
- 2025-11-24
Frequently asked questions
- What is Roy Harper Jackson M D Inc's NPI number?
- Roy Harper Jackson M D Inc's National Provider Identifier (NPI) is 1659452092, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Roy Harper Jackson M D Inc?
- Roy Harper Jackson M D Inc is classified in the NPPES registry as Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Roy Harper Jackson M D Inc located?
- Roy Harper Jackson M D Inc's practice location on file with NPPES is 65 N Madison Ave Ste 709, Pasadena, CA 91101-2046.
- What is Roy Harper Jackson M D Inc's phone number?
- The practice phone number listed in the NPPES registry for Roy Harper Jackson M D Inc is (626) 792-4185.
- Does Roy Harper Jackson M D Inc accept Medicare?
- Roy Harper Jackson M D 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 Roy Harper Jackson M D Inc?
- The authorized official listed on Roy Harper Jackson M D Inc's NPPES record is Roy Jackson, President Ceo. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Roy Harper Jackson M D Inc's NPI active?
- Yes — Roy Harper Jackson M D Inc's NPI (1659452092) is active in the NPPES registry as of the last update on 2025-11-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.