Stephen Acker, M.D.
NPI 1881784221 · Radiation Oncology Physician · Georgetown, TX
Stephen Acker, M.D. is a Radiation Oncology Physician provider in Georgetown, TX (NPI 1881784221).
Provider details
- NPI number
- 1881784221
- Entity type
- Individual
- Primary specialty
- Radiation Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 8682 (OK)
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
- 2006-10-14
- Last updated
- 2007-07-08
Frequently asked questions
- What is Stephen Acker's NPI number?
- Stephen Acker's National Provider Identifier (NPI) is 1881784221, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stephen Acker's specialty?
- Stephen Acker is listed in the NPPES registry with a primary specialty of Radiation Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Stephen Acker located?
- Stephen Acker's practice location on file with NPPES is 104 Belfalls, Georgetown, TX 78628-4941.
- What is Stephen Acker's phone number?
- The practice phone number listed in the NPPES registry for Stephen Acker is (512) 864-3137.
- Is Stephen Acker's NPI active?
- Yes — Stephen Acker's NPI (1881784221) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.