Ronald Bitter, M.D.
Internal Medicine Physician · Long Beach, CA
Ronald Bitter, M.D. is an internal medicine physician with a practice address in Long Beach, California, and NPI 1770691883, issued on Aug 28, 2006. Check the license (California G032420, as entered in NPPES) on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Ronald Bitter
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- G032420 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2650 Elm Ave Ste 309, Long Beach, CA 90806
- Phone
- (562) 595-8549
- Enumerated
- Aug 28, 2006
- Entity
- Type 1 · individual
Also registered at 2650 Elm Ave Ste 309
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Heather Gerard, P.A.Medical Physician Assistant1528245578
- Stephen Hryniewicki, M.D.Internal Medicine Physician1598871741
Verify Ronald Bitter in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G032420Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
216 internal medicine physician records list a Long Beach practice address
They are 216 of the 13,650 NPPES records with a Long Beach practice address, and 20,403 internal medicine physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 216 in Long Beach → All 20,403 in California → Every provider in Long Beach →
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Common questions
What is Ronald Bitter, M.D.'s NPI number?
Ronald Bitter, M.D.'s National Provider Identifier (NPI) is 1770691883, issued on Aug 28, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Ronald Bitter, M.D. located?
The NPPES record lists a practice address at 2650 Elm Ave Ste 309, Long Beach, CA, 90806. Phone: (562) 595-8549. Providers update this record themselves, so call before visiting.
How can I verify Ronald Bitter, M.D.'s license?
NPPES lists California license number G032420, 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), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.