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Stephen Mason, MD
NPI 1528390259 · Family Medicine Physician · Royal Oak, MI
Stephen Mason, MD is a Family Medicine Physician provider in Royal Oak, MI (NPI 1528390259).
Provider details
- NPI number
- 1528390259
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 4301097993 (MI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(88/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
16 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
3415 Benjamin Ave Apt 111
Royal Oak, MI 48073-2238
Phone: (248) 224-2440
Street-level locationGet directions
Mailing address
3415 Benjamin Ave Apt 111
Royal Oak, MI 48073-2238
Additional practice locations (1)
- 3400 Lafayette RdSuite 200Indianapolis, IN 46222-1146Phone: (317) 291-7422Fax: (317) 291-7433
Registry dates
- Enumerated
- 2010-02-05
- Last updated
- 2021-04-04
- Certified
- 2021-04-04
Frequently asked questions
- What is Stephen Mason's NPI number?
- Stephen Mason's National Provider Identifier (NPI) is 1528390259, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stephen Mason's specialty?
- Stephen Mason is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Stephen Mason located?
- Stephen Mason's practice location on file with NPPES is 3415 Benjamin Ave Apt 111, Royal Oak, MI 48073-2238.
- What is Stephen Mason's phone number?
- The practice phone number listed in the NPPES registry for Stephen Mason is (248) 224-2440.
- Is Stephen Mason's NPI active?
- Yes — Stephen Mason's NPI (1528390259) is active in the NPPES registry as of the last update on 2021-04-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.