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Diane Petersen, M.D.
NPI 1992734420 · Otolaryngology Physician · Torrance, CA
Diane Petersen, M.D. is a Otolaryngology Physician provider in Torrance, CA (NPI 1992734420).
Provider details
- NPI number
- 1992734420
- Entity type
- Individual
- Primary specialty
- Otolaryngology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- G54758 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(91/100 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
3565 Del Amo Blvd
3rd Floor
Torrance, CA 90503-1637
Phone: (310) 214-0811
Fax: (310) 793-0754
Street-level locationGet directions
Mailing address
3565 Del Amo Blvd
Torrance, CA 90503-1637
Registry dates
- Enumerated
- 2006-06-30
- Last updated
- 2012-11-05
Frequently asked questions
- What is Diane Petersen's NPI number?
- Diane Petersen's National Provider Identifier (NPI) is 1992734420, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Diane Petersen's specialty?
- Diane Petersen is listed in the NPPES registry with a primary specialty of Otolaryngology Physician (Allopathic & Osteopathic Physicians).
- Where is Diane Petersen located?
- Diane Petersen's practice location on file with NPPES is 3565 Del Amo Blvd, Torrance, CA 90503-1637.
- What is Diane Petersen's phone number?
- The practice phone number listed in the NPPES registry for Diane Petersen is (310) 214-0811.
- Is Diane Petersen's NPI active?
- Yes — Diane Petersen's NPI (1992734420) is active in the NPPES registry as of the last update on 2012-11-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.