Alan Klein, M.D.
NPI 1881621589 · Neonatal-Perinatal Medicine Physician · Dallas, TX
Alan Klein, M.D. is a Neonatal-Perinatal Medicine Physician provider in Dallas, TX (NPI 1881621589).
Provider details
- NPI number
- 1881621589
- Entity type
- Individual
- Primary specialty
- Neonatal-Perinatal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- F2755 (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
- 2006-06-27
- Last updated
- 2007-07-08
Frequently asked questions
- What is Alan Klein's NPI number?
- Alan Klein's National Provider Identifier (NPI) is 1881621589, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Alan Klein's specialty?
- Alan Klein is listed in the NPPES registry with a primary specialty of Neonatal-Perinatal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Alan Klein located?
- Alan Klein's practice location on file with NPPES is 1441 N Beckley Ave, Dallas, TX 75203-1201.
- What is Alan Klein's phone number?
- The practice phone number listed in the NPPES registry for Alan Klein is (214) 947-3085.
- Is Alan Klein's NPI active?
- Yes — Alan Klein's NPI (1881621589) 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.