Timothy Harstad, M.D.
NPI 1558391847 · Maternal & Fetal Medicine Physician · Austin, TX
Timothy Harstad, M.D. is a Maternal & Fetal Medicine Physician provider in Austin, TX (NPI 1558391847).
Provider details
- NPI number
- 1558391847
- Entity type
- Individual
- Primary specialty
- Maternal & Fetal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- H6838 (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
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
- 2006-07-03
- Last updated
- 2007-07-08
Frequently asked questions
- What is Timothy Harstad's NPI number?
- Timothy Harstad's National Provider Identifier (NPI) is 1558391847, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Timothy Harstad's specialty?
- Timothy Harstad is listed in the NPPES registry with a primary specialty of Maternal & Fetal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Timothy Harstad located?
- Timothy Harstad's practice location on file with NPPES is 801 W 34th St, Austin, TX 78705-1156.
- What is Timothy Harstad's phone number?
- The practice phone number listed in the NPPES registry for Timothy Harstad is (512) 459-1131.
- Is Timothy Harstad's NPI active?
- Yes — Timothy Harstad's NPI (1558391847) 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.