Jonathan Ma
NPI 1659016608 · Internal Medicine Physician · Sahuarita, AZ
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jonathan Ma is a Internal Medicine Physician provider in Sahuarita, AZ (NPI 1659016608).
Provider details
- NPI number
- 1659016608
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- Yes
- License
- 011552 (AZ)
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
4 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
- 2022-05-04
- Last updated
- 2025-07-03
- Certified
- 2025-07-03
Frequently asked questions
- What is Jonathan Ma's NPI number?
- Jonathan Ma's National Provider Identifier (NPI) is 1659016608, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jonathan Ma's specialty?
- Jonathan Ma is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Jonathan Ma located?
- Jonathan Ma's practice location on file with NPPES is 16260 S Rancho Sahuarita Blvd Ste 200, Sahuarita, AZ 85629-0740.
- What is Jonathan Ma's phone number?
- The practice phone number listed in the NPPES registry for Jonathan Ma is (520) 575-1175.
- Does Jonathan Ma accept Medicare?
- Jonathan Ma is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jonathan Ma's NPI active?
- Yes — Jonathan Ma's NPI (1659016608) is active in the NPPES registry as of the last update on 2025-07-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.