Spencer Berthelsen, MD
NPI 1295763290 · Internal Medicine Physician · Sugar Land, TX
Spencer Berthelsen, MD is a Internal Medicine Physician provider in Sugar Land, TX (NPI 1295763290).
Provider details
- NPI number
- 1295763290
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- E8327 (TX)
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
- 2006-06-29
- Last updated
- 2016-12-09
Frequently asked questions
- What is Spencer Berthelsen's NPI number?
- Spencer Berthelsen's National Provider Identifier (NPI) is 1295763290, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Spencer Berthelsen's specialty?
- Spencer Berthelsen is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Spencer Berthelsen located?
- Spencer Berthelsen's practice location on file with NPPES is 11555 University Blvd, Sugar Land, TX 77478-3889.
- What is Spencer Berthelsen's phone number?
- The practice phone number listed in the NPPES registry for Spencer Berthelsen is (713) 442-9100.
- Is Spencer Berthelsen's NPI active?
- Yes — Spencer Berthelsen's NPI (1295763290) is active in the NPPES registry as of the last update on 2016-12-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.