OrganizationActive
John E. Maanum, O.D.
NPI 1902942204 · Optometrist · Hawthorne, CA
John E. Maanum, O.D. is a Optometrist organization in Hawthorne, CA (NPI 1902942204).
Provider details
- NPI number
- 1902942204
- Entity type
- Organization
- Primary specialty
- OptometristEye and Vision Services Providers
- Organization subpart
- No
- Authorized official
- John Maanum, Owner(310) 676-2020
- License
- 11181T (CA)
Specialties & taxonomies
Eye and Vision Services Providers
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
13427 Inglewood Ave
Hawthorne, CA 90250-5608
Phone: (310) 676-2020
Fax: (310) 676-2645
Street-level locationGet directions
Mailing address
13427 Inglewood Ave
Hawthorne, CA 90250-5608
Other names (DBA / former)
- Doing business as
- Hawthorne Optometry
Registry dates
- Enumerated
- 2007-01-30
- Last updated
- 2008-06-18
Frequently asked questions
- What is John E. Maanum, O.D.'s NPI number?
- John E. Maanum, O.D.'s National Provider Identifier (NPI) is 1902942204, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is John E. Maanum, O.D.?
- John E. Maanum, O.D. is classified in the NPPES registry as Optometrist (Eye and Vision Services Providers).
- Where is John E. Maanum, O.D. located?
- John E. Maanum, O.D.'s practice location on file with NPPES is 13427 Inglewood Ave, Hawthorne, CA 90250-5608.
- What is John E. Maanum, O.D.'s phone number?
- The practice phone number listed in the NPPES registry for John E. Maanum, O.D. is (310) 676-2020.
- Who is the authorized official for John E. Maanum, O.D.?
- The authorized official listed on John E. Maanum, O.D.'s NPPES record is John Maanum, Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is John E. Maanum, O.D.'s NPI active?
- Yes — John E. Maanum, O.D.'s NPI (1902942204) is active in the NPPES registry as of the last update on 2008-06-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.