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Alden Kielhorn, MD
NPI 1669557757 · Anatomic Pathology Physician · Phoenix, AZ
Alden Kielhorn, MD is a Anatomic Pathology Physician provider in Phoenix, AZ (NPI 1669557757).
Provider details
- NPI number
- 1669557757
- Entity type
- Individual
- Primary specialty
- Anatomic Pathology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- L8765 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(90/100 index)
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
4610 South 44th Place
Phoenix, AZ 85040-4010
Phone: (602) 464-7500
Street-level locationGet directions
Mailing address
6655 North Macarthur Blvd.
Irving, TX 75039-2443
Registry dates
- Enumerated
- 2006-10-26
- Last updated
- 2012-11-13
Frequently asked questions
- What is Alden Kielhorn's NPI number?
- Alden Kielhorn's National Provider Identifier (NPI) is 1669557757, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Alden Kielhorn's specialty?
- Alden Kielhorn is listed in the NPPES registry with a primary specialty of Anatomic Pathology Physician (Allopathic & Osteopathic Physicians).
- Where is Alden Kielhorn located?
- Alden Kielhorn's practice location on file with NPPES is 4610 South 44th Place, Phoenix, AZ 85040-4010.
- What is Alden Kielhorn's phone number?
- The practice phone number listed in the NPPES registry for Alden Kielhorn is (602) 464-7500.
- Is Alden Kielhorn's NPI active?
- Yes — Alden Kielhorn's NPI (1669557757) is active in the NPPES registry as of the last update on 2012-11-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.