Melissa Amorita Biewenga, MD
General Practice Physician · San Diego, CA
Melissa Amorita Biewenga, MD is a general practice physician with a practice address in San Diego, California, and NPI 1700147352, issued on May 30, 2012. Check the license (California A122243, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Melissa Amorita Biewenga
- Credential
- MD
- Primary taxonomy
- General Practice Physician 208D00000X
- License numbers
- A122243 CA
DR.0071558 CO
Self-reported in NPPES; status is on the state search - Practice location
- 4405 Vandever Ave, San Diego, CA 92120
- Phone
- (800) 290-5000
- Enumerated
- May 30, 2012
- Record last updated
- Oct 23, 2023
- Entity
- Type 1 · individual
8 nearest general practice physician records → All 1,956 in California → Look up another NPI →
Also registered at 4405 Vandever Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Melissa Amorita Biewenga in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A122243Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
96% fewer Medicare Part D claims than the average general practice physician in 2024
124 Medicare Part D claims for 112 beneficiaries, against an average of 3,030 among the 8,395 providers of this specialty who prescribed in Part D. Brand-name drugs were 19% of claims.
Most prescribed
- Amoxicillin-Clavulanate Potass16 claims
- Albuterol Sulfate Hfa13 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Melissa Amorita Biewenga among 1,956 general practice physician records in California
Melissa Amorita Biewenga, MD is one of 1,956 general practice physician records with a practice address in California. 48% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 64% of them.
- NPI issued2012 · 64% of these records are older, 32% newer
- In a Medicare fileYes · 48% of these records are
- In the CMS Doctors and Clinicians fileNo · 27% of these records are
- Record last updated2023 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208D00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
General Practice Physician providers in California
There are 1,956 general practice physician records in California.
All 1,956 in California → Every provider in San Diego → General Practice Physician nationwide →
The 8 general practice physician records with the nearest ZIP codes
- Jacob Birnbaum, MDSan Diego, CA 921201295883114
- Jill Waalen, MDSan Diego, CA 921201578611554
- Brianne Gober, M.D.San Diego, CA 921211477713048
- Derrick Nguyen, DOSan Diego, CA 921211336886308
- Marc Rubinstein, M.D.San Diego, CA 921211669730172
- William Waggoner, M.D.San Diego, CA 921211528179058
- Blake Bassett, DOCoronado, CA 921181225617657
- Matthew CiviletteCoronado, CA 921181053069724
Common questions
What is Melissa Amorita Biewenga, MD's NPI number?
Melissa Amorita Biewenga, MD's National Provider Identifier (NPI) is 1700147352, issued on May 30, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Melissa Amorita Biewenga, MD located?
The NPPES record lists a practice address at 4405 Vandever Ave, San Diego, CA, 92120. Phone: (800) 290-5000. Providers update this record themselves, so call before visiting.
How can I verify Melissa Amorita Biewenga, MD's license?
NPPES lists California license number A122243, 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.
How much does Melissa Amorita Biewenga, MD prescribe under Medicare Part D?
In 2024, Melissa Amorita Biewenga, MD had 124 Medicare Part D claims for 112 beneficiaries; the average among general practice physician prescribers was 3,030. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. 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.