Diane Hlavacek, MD
NPI 1255423539 · Obstetrics & Gynecology Physician · Phoenix, AZ
Diane Hlavacek, MD is a Obstetrics & Gynecology Physician provider in Phoenix, AZ (NPI 1255423539).
Provider details
- NPI number
- 1255423539
- Entity type
- Individual
- Primary specialty
- Obstetrics & Gynecology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- AZ31335 (AZ)
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
- 2006-09-28
- Last updated
- 2007-07-08
Frequently asked questions
- What is Diane Hlavacek's NPI number?
- Diane Hlavacek's National Provider Identifier (NPI) is 1255423539, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Diane Hlavacek's specialty?
- Diane Hlavacek is listed in the NPPES registry with a primary specialty of Obstetrics & Gynecology Physician (Allopathic & Osteopathic Physicians).
- Where is Diane Hlavacek located?
- Diane Hlavacek's practice location on file with NPPES is 16641 N 40th Street, Phoenix, AZ 85032-3343.
- What is Diane Hlavacek's phone number?
- The practice phone number listed in the NPPES registry for Diane Hlavacek is (602) 482-2929.
- Is Diane Hlavacek's NPI active?
- Yes — Diane Hlavacek's NPI (1255423539) 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.