Robert Obryan, M.D.
NPI 1720092497 · Medical Oncology Physician · Grosse Pointe Woods, MI
Robert Obryan, M.D. is a Medical Oncology Physician provider in Grosse Pointe Woods, MI (NPI 1720092497).
Provider details
- NPI number
- 1720092497
- Entity type
- Individual
- Primary specialty
- Medical Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- RO024562 (MI)
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
Registry dates
- Enumerated
- 2006-07-28
- Last updated
- 2008-02-28
Frequently asked questions
- What is Robert Obryan's NPI number?
- Robert Obryan's National Provider Identifier (NPI) is 1720092497, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Robert Obryan's specialty?
- Robert Obryan is listed in the NPPES registry with a primary specialty of Medical Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Robert Obryan located?
- Robert Obryan's practice location on file with NPPES is 19229 Mack Ave Ste 24, Grosse Pointe Woods, MI 48236-2857.
- What is Robert Obryan's phone number?
- The practice phone number listed in the NPPES registry for Robert Obryan is (313) 884-5522.
- Is Robert Obryan's NPI active?
- Yes — Robert Obryan's NPI (1720092497) is active in the NPPES registry as of the last update on 2008-02-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.