OrganizationActive
Joachim W. Granzow, M.D., M.p.h., Inc.
NPI 1437394020 · Specialist · Torrance, CA
Joachim W. Granzow, M.D., M.p.h., Inc. is a Specialist organization in Torrance, CA (NPI 1437394020).
Provider details
- NPI number
- 1437394020
- Entity type
- Organization
- Primary specialty
- SpecialistOther Service Providers
- Organization subpart
- No
- Authorized official
- Stacy Ashley, Practice Manager(904) 874-9709
- License
- A67284 (CA)
Specialties & taxonomies
Other Service Providers
Profile Score
Detailed profile(86/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
17 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
23365 Hawthorne Blvd
Torrance, CA 90505-3736
Phone: (310) 882-6261
Fax: (310) 882-6260
Street-level locationGet directions
Mailing address
Po Box 783
Manhattan Beach, CA 90267-0783
Registry dates
- Enumerated
- 2008-12-10
- Last updated
- 2025-11-05
- Certified
- 2025-11-05
Frequently asked questions
- What is Joachim W. Granzow, M.D., M.p.h., Inc.'s NPI number?
- Joachim W. Granzow, M.D., M.p.h., Inc.'s National Provider Identifier (NPI) is 1437394020, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Joachim W. Granzow, M.D., M.p.h., Inc.?
- Joachim W. Granzow, M.D., M.p.h., Inc. is classified in the NPPES registry as Specialist (Other Service Providers).
- Where is Joachim W. Granzow, M.D., M.p.h., Inc. located?
- Joachim W. Granzow, M.D., M.p.h., Inc.'s practice location on file with NPPES is 23365 Hawthorne Blvd, Torrance, CA 90505-3736.
- What is Joachim W. Granzow, M.D., M.p.h., Inc.'s phone number?
- The practice phone number listed in the NPPES registry for Joachim W. Granzow, M.D., M.p.h., Inc. is (310) 882-6261.
- Who is the authorized official for Joachim W. Granzow, M.D., M.p.h., Inc.?
- The authorized official listed on Joachim W. Granzow, M.D., M.p.h., Inc.'s NPPES record is Stacy Ashley, Practice Manager. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Joachim W. Granzow, M.D., M.p.h., Inc.'s NPI active?
- Yes — Joachim W. Granzow, M.D., M.p.h., Inc.'s NPI (1437394020) is active in the NPPES registry as of the last update on 2025-11-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.