NPPES file of Aug 9, 2026

Joanne Eunjoo Paek, M.D.

Reproductive Endocrinology Physician · Vacaville, CA

Joanne Eunjoo Paek, M.D. is a reproductive endocrinology physician with a practice address in Vacaville, California, and NPI 1194943324, issued on Apr 23, 2007. Check the license (California G69152, as entered in NPPES) on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1194943324
Name
Joanne Eunjoo Paek
Credential
M.D.
Primary taxonomy
Reproductive Endocrinology Physician 207VE0102X
License number
G69152 CA
Self-reported in NPPES; status is on the state search
Practice location
3700 Vaca Valley Pkwy, Vacaville, CA 95688
Phone
(707) 453-5000
Enumerated
Apr 23, 2007
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 3700 Vaca Valley Pkwy

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Patricia Carbone, RDPediatric Nutrition Registered Dietitian1982764627
  2. Warren Cheung, P.T.Physical Therapist1821166919
  3. Lewis Gabbard, PTPhysical Therapist1346300316
  4. Maria Gallagher, PHARM DPharmacist1013076264
  5. Walter Garcia, F.N.P.-CFamily Nurse Practitioner1841356227
  6. Michael Giarritta, MFTMarriage & Family Therapist1861547887

Verify Joanne Eunjoo Paek in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G69152
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

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Reproductive Endocrinology Physician providers in California

There are 267 reproductive endocrinology physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other reproductive endocrinology physician records in California

  1. Sina Abhari, MDNewport Beach, CA1073955290
  2. Mary Abusief, M.D.East Palo Alto, CA1639206733
  3. Brian Acacio, M.D.Laguna Niguel, CA1952313140
  4. Geoffrey Adamson, M.D.Mountain View, CA1780781690
  5. Jennifer Agard, M.D.Greenbrae, CA1003044553
  6. Sanjay Agarwal, M.D.La Jolla, CA1255489720
  7. Lusine Aghajanova, MDPalo Alto, CA1427315522
  8. Alin Akopians, M.D.Beverly Hills, CA1720306855
  9. Rene Allen, M.D.Santa Barbara, CA1265630602
  10. Ruben Alvero, MDPalo Alto, CA1861506917

Common questions

What is Joanne Eunjoo Paek, M.D.'s NPI number?

Joanne Eunjoo Paek, M.D.'s National Provider Identifier (NPI) is 1194943324, issued on Apr 23, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Joanne Eunjoo Paek, M.D. located?

The NPPES record lists a practice address at 3700 Vaca Valley Pkwy, Vacaville, CA, 95688. Phone: (707) 453-5000. Providers update this record themselves, so call before visiting.

How can I verify Joanne Eunjoo Paek, M.D.'s license?

NPPES lists California license number G69152, 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.