Catherine D. Gritchen, MD
Pediatrics Physician · Long Beach, CA
Catherine D. Gritchen, MD is a pediatrics physician with a practice address in Long Beach, California, and NPI 1861482143, issued on Oct 26, 2005. Check the license (California A79436, as entered in NPPES) on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Catherine D. Gritchen
- Credential
- MD
- Primary taxonomy
- Pediatrics Physician 208000000X
- License number
- A79436 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2110 N Bellflower Blvd, Long Beach, CA 90815
- Phone
- (562) 346-2222
- Enumerated
- Oct 26, 2005
- Record last updated
- May 20, 2016 (not updated in 10 years: call before relying on the address or phone)
- Medicaid ID
- 00A794360 CA
- Entity
- Type 1 · individual
8 nearest pediatrics physician records → All 9,272 in California → Look up another NPI →
Also registered at 2110 N Bellflower Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Evelina Appleby, MDInternal Medicine Physician1750681656
- Suparna BarberPediatrics Physician1053553826
- Hannah Maria Barroga, DOFamily Medicine Physician1184120701
- Bryan BowmanNurse Practitioner1619417060
- Tawnie Cao, PA-CPhysician Assistant1497205462
- Joann Escalante-Alviz, F.N.P.-CFamily Nurse Practitioner1841625712
Verify Catherine D. Gritchen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A79436Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Catherine D. Gritchen among 9,272 pediatrics physician records in California
Catherine D. Gritchen, MD is one of 9,272 pediatrics physician records with a practice address in California. 31% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 96% newer
- In a Medicare fileNo · 31% of these records are
- In the CMS Doctors and Clinicians fileNo · 8% of these records are
- Record last updated2016 · 65% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208000000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pediatrics Physician providers in California
There are 9,272 pediatrics physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 9,272 in California → Every provider in Long Beach → Pediatrics Physician nationwide →
The 8 pediatrics physician records with the nearest ZIP codes
- Suparna BarberLong Beach, CA 908151053553826
- Teresa Bondoc, MDLong Beach, CA 908151245224831
- Robert Castillo, M.D.Long Beach, CA 908151063421980
- Alice Chen, MDLong Beach, CA 908151922003672
- Paulina Dequiroz, MDLong Beach, CA 908151205831799
- Malaika Graves, M.D.Long Beach, CA 908151518261676
- Arshia Hashmy, M.D.Long Beach, CA 908151528073269
- Tiffany Leung, M.D.Long Beach, CA 908151740691427
Common questions
What is Catherine D. Gritchen, MD's NPI number?
Catherine D. Gritchen, MD's National Provider Identifier (NPI) is 1861482143, issued on Oct 26, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Catherine D. Gritchen, MD located?
The NPPES record lists a practice address at 2110 N Bellflower Blvd, Long Beach, CA, 90815. Phone: (562) 346-2222. Providers update this record themselves, so call before visiting.
How can I verify Catherine D. Gritchen, MD's license?
NPPES lists California license number A79436, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.