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James Acker, M.D.
NPI 1356391916 · Diagnostic Radiology Physician · Memphis, TN
James Acker, M.D. is a Diagnostic Radiology Physician provider in Memphis, TN (NPI 1356391916).
Provider details
- NPI number
- 1356391916
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 12626 (TN)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(91/100 index)
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
6019 Walnut Grove Rd
Memphis, TN 38120-2113
Phone: (901) 383-8860
Fax: (901) 383-8985
Street-level locationGet directions
Mailing address
Po Box 2121
Memphis, TN 38159-0001
Registry dates
- Enumerated
- 2006-05-12
- Last updated
- 2015-09-16
Frequently asked questions
- What is James Acker's NPI number?
- James Acker's National Provider Identifier (NPI) is 1356391916, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is James Acker's specialty?
- James Acker is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is James Acker located?
- James Acker's practice location on file with NPPES is 6019 Walnut Grove Rd, Memphis, TN 38120-2113.
- What is James Acker's phone number?
- The practice phone number listed in the NPPES registry for James Acker is (901) 383-8860.
- Is James Acker's NPI active?
- Yes — James Acker's NPI (1356391916) is active in the NPPES registry as of the last update on 2015-09-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.