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William Howland, MD
NPI 1770550535 · Allergy & Immunology Physician · Austin, TX
William Howland, MD is a Allergy & Immunology Physician provider in Austin, TX (NPI 1770550535).
Provider details
- NPI number
- 1770550535
- Entity type
- Individual
- Primary specialty
- Allergy & Immunology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- F9591 (TX)
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
11645 Angus Rd # A1
Austin, TX 78759-4100
Phone: (512) 345-7635
Street-level locationGet directions
Mailing address
11645 Angus Rd, A1
Austin, TX 78759
Registry dates
- Enumerated
- 2006-03-01
- Last updated
- 2022-07-21
Frequently asked questions
- What is William Howland's NPI number?
- William Howland's National Provider Identifier (NPI) is 1770550535, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Howland's specialty?
- William Howland is listed in the NPPES registry with a primary specialty of Allergy & Immunology Physician (Allopathic & Osteopathic Physicians).
- Where is William Howland located?
- William Howland's practice location on file with NPPES is 11645 Angus Rd # A1, Austin, TX 78759-4100.
- What is William Howland's phone number?
- The practice phone number listed in the NPPES registry for William Howland is (512) 345-7635.
- Is William Howland's NPI active?
- Yes — William Howland's NPI (1770550535) is active in the NPPES registry as of the last update on 2022-07-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.