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Irwin Sitkoff, PHARM.D
NPI 1538281464 · Pharmacotherapy Pharmacist · Los Angeles, CA
Irwin Sitkoff, PHARM.D is a Pharmacotherapy Pharmacist provider in Los Angeles, CA (NPI 1538281464).
Provider details
- NPI number
- 1538281464
- Entity type
- Individual
- Primary specialty
- Pharmacotherapy PharmacistPharmacy Service Providers
- Credential
- PHARM.D
- Sex
- Male
- Sole proprietor
- Yes
- License
- 19172 (CA)
Specialties & taxonomies
Pharmacy Service Providers
Profile Score
Detailed profile(89/100 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
1422 E Florence Ave
Los Angeles, CA 90001-1937
Phone: (323) 582-6363
Fax: (323) 582-0955
Street-level locationGet directions
Mailing address
10325 Northvale Rd
Los Angeles, CA 90064-4330
Registry dates
- Enumerated
- 2007-04-04
- Last updated
- 2026-04-26
Frequently asked questions
- What is Irwin Sitkoff's NPI number?
- Irwin Sitkoff's National Provider Identifier (NPI) is 1538281464, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Irwin Sitkoff's specialty?
- Irwin Sitkoff is listed in the NPPES registry with a primary specialty of Pharmacotherapy Pharmacist (Pharmacy Service Providers).
- Where is Irwin Sitkoff located?
- Irwin Sitkoff's practice location on file with NPPES is 1422 E Florence Ave, Los Angeles, CA 90001-1937.
- What is Irwin Sitkoff's phone number?
- The practice phone number listed in the NPPES registry for Irwin Sitkoff is (323) 582-6363.
- Is Irwin Sitkoff's NPI active?
- Yes — Irwin Sitkoff's NPI (1538281464) is active in the NPPES registry as of the last update on 2026-04-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.