Cynthia Herzog, M.D.
NPI 1588760227 · Family Medicine Physician · Long Beach, CA
Cynthia Herzog, M.D. is a Family Medicine Physician provider in Long Beach, CA (NPI 1588760227).
Provider details
- NPI number
- 1588760227
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- G73087 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
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
Mailing address
Registry dates
- Enumerated
- 2006-09-16
- Last updated
- 2019-10-02
Frequently asked questions
- What is Cynthia Herzog's NPI number?
- Cynthia Herzog's National Provider Identifier (NPI) is 1588760227, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Cynthia Herzog's specialty?
- Cynthia Herzog is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Cynthia Herzog located?
- Cynthia Herzog's practice location on file with NPPES is 450 E Spring St, Long Beach, CA 90806-1625.
- What is Cynthia Herzog's phone number?
- The practice phone number listed in the NPPES registry for Cynthia Herzog is (562) 933-0050.
- Is Cynthia Herzog's NPI active?
- Yes — Cynthia Herzog's NPI (1588760227) is active in the NPPES registry as of the last update on 2019-10-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.