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John Holmberg, M.D.
NPI 1538129911 · Specialist · Lewisville, TX
John Holmberg, M.D. is a Specialist provider in Lewisville, TX (NPI 1538129911).
Provider details
- NPI number
- 1538129911
- Entity type
- Individual
- Primary specialty
- SpecialistOther Service Providers
- Credential
- M.D.
- Sex
- Male
- License
- D2458 (TX)
Specialties & taxonomies
Other Service Providers
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
405 State Highway 121 Byp
Bldg A, Ste 160
Lewisville, TX 75067-8193
Phone: (972) 906-6250
Fax: (972) 906-0116
Approximate (ZIP-level) locationGet directions
Mailing address
Po Box 814129
Dallas, TX 75381-4129
Registry dates
- Enumerated
- 2006-03-28
- Last updated
- 2007-07-08
Frequently asked questions
- What is John Holmberg's NPI number?
- John Holmberg's National Provider Identifier (NPI) is 1538129911, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Holmberg's specialty?
- John Holmberg is listed in the NPPES registry with a primary specialty of Specialist (Other Service Providers).
- Where is John Holmberg located?
- John Holmberg's practice location on file with NPPES is 405 State Highway 121 Byp, Lewisville, TX 75067-8193.
- What is John Holmberg's phone number?
- The practice phone number listed in the NPPES registry for John Holmberg is (972) 906-6250.
- Is John Holmberg's NPI active?
- Yes — John Holmberg's NPI (1538129911) 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.