Vanessa Perez Koeb, D.O.
Family Medicine Physician · Garden Grove, CA
Vanessa Perez Koeb, D.O. is a family medicine physician with a practice address in Garden Grove, California, and NPI 1609113448, issued on Jan 14, 2013. Check the license (California 20A12586, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Vanessa Perez Koeb
- Credential
- D.O.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 20A12586 CA
Self-reported in NPPES; status is on the state search - Practice location
- 12100 Euclid St, Garden Grove, CA 92840
- Phone
- (323) 226-1100
- Enumerated
- Jan 14, 2013
- Record last updated
- Dec 3, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20141223000085); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 12100 Euclid St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Tuan Cao, PHARM.DPharmacist1679011571
- Jennifer Chan, D.O.Family Medicine Physician1821433830
Verify Vanessa Perez Koeb in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A12586Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
26% more Medicare Part D claims than the average family medicine physician in 2024
4,459 Medicare Part D claims for 550 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims. 162 claims were for opioids.
Most prescribed
- Atorvastatin Calcium379 claims
- Levothyroxine Sodium207 claims
- Rosuvastatin Calcium174 claims
- Lisinopril173 claims
- Amlodipine Besylate166 claims
- Losartan Potassium126 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.
Bills Medicare through one group practice
- Southern California Permanente Medical GroupAliso Viejo, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Vanessa Perez Koeb among 17,133 family medicine physician records in California
Vanessa Perez Koeb, D.O. is one of 17,133 family medicine physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 68% of them.
- NPI issued2013 · 68% of these records are older, 29% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2011 · median 2005 among the 10,652 with a school on file
- Record last updated2021 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
69 family medicine physician records list a practice address in Garden Grove
They are 69 of the 4,572 NPPES records with a practice address in Garden Grove, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in Garden Grove → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Vincent Ayroso, DOGarden Grove, CA 928401891993168
- Phillip Castellano, MDGarden Grove, CA 928401467529321
- Paul Johnson, MDGarden Grove, CA 928401497790661
- Chan Kim, MDGarden Grove, CA 928401679513550
- Khiem Lai, M.D.Garden Grove, CA 928401538165576
- Nancy Lee-Hata, MDGarden Grove, CA 928401235120734
- Gerald Lim, M.D.Garden Grove, CA 928401427091958
- Michael Malouf, M.D.Garden Grove, CA 928401578549234
Common questions
What is Vanessa Perez Koeb, D.O.'s NPI number?
Vanessa Perez Koeb, D.O.'s National Provider Identifier (NPI) is 1609113448, issued on Jan 14, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Vanessa Perez Koeb, D.O. located?
The NPPES record lists a practice address at 12100 Euclid St, Garden Grove, CA, 92840. Phone: (323) 226-1100. Providers update this record themselves, so call before visiting.
How can I verify Vanessa Perez Koeb, D.O.'s license?
NPPES lists California license number 20A12586, 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 Vanessa Perez Koeb, D.O. prescribe under Medicare Part D?
In 2024, Vanessa Perez Koeb, D.O. had 4,459 Medicare Part D claims for 550 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.