IndividualActive
Sharon Herdan, M.D.
NPI 1912217720 · Internal Medicine Physician · Anaheim, CA
Sharon Herdan, M.D. is a Internal Medicine Physician provider in Anaheim, CA (NPI 1912217720).
Provider details
- NPI number
- 1912217720
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- G68788 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(83/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
15 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
205 S Festival Dr Apt 201
Anaheim, CA 92808-1127
Phone: (714) 998-6871
Street-level locationGet directions
Mailing address
205 South Festival Drive #201
Anaheim, CA 92808
Registry dates
- Enumerated
- 2010-10-14
- Last updated
- 2010-10-14
Frequently asked questions
- What is Sharon Herdan's NPI number?
- Sharon Herdan's National Provider Identifier (NPI) is 1912217720, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sharon Herdan's specialty?
- Sharon Herdan is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Sharon Herdan located?
- Sharon Herdan's practice location on file with NPPES is 205 S Festival Dr Apt 201, Anaheim, CA 92808-1127.
- What is Sharon Herdan's phone number?
- The practice phone number listed in the NPPES registry for Sharon Herdan is (714) 998-6871.
- Is Sharon Herdan's NPI active?
- Yes — Sharon Herdan's NPI (1912217720) is active in the NPPES registry as of the last update on 2010-10-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.