John M Barnwell MD PLLC
NPI 1336154772 · Surgical Oncology Physician · Detroit, MI
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John M Barnwell MD PLLC is a Surgical Oncology Physician organization in Detroit, MI (NPI 1336154772).
Provider details
- NPI number
- 1336154772
- Entity type
- Organization
- Primary specialty
- Surgical Oncology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- John Barnwell, Physician(313) 864-8456
- License
- JB071944 (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
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
- 2006-07-31
- Last updated
- 2020-08-22
Frequently asked questions
- What is John M Barnwell MD PLLC's NPI number?
- John M Barnwell MD PLLC's National Provider Identifier (NPI) is 1336154772, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is John M Barnwell MD PLLC?
- John M Barnwell MD PLLC is classified in the NPPES registry as Surgical Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is John M Barnwell MD PLLC located?
- John M Barnwell MD PLLC's practice location on file with NPPES is 18709 Meyers Rd, Detroit, MI 48235-1310.
- What is John M Barnwell MD PLLC's phone number?
- The practice phone number listed in the NPPES registry for John M Barnwell MD PLLC is (313) 864-8456.
- Does John M Barnwell MD PLLC accept Medicare?
- John M Barnwell MD PLLC 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 John M Barnwell MD PLLC?
- The authorized official listed on John M Barnwell MD PLLC's NPPES record is John Barnwell, Physician. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is John M Barnwell MD PLLC's NPI active?
- Yes — John M Barnwell MD PLLC's NPI (1336154772) is active in the NPPES registry as of the last update on 2020-08-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.