Janet Geisler Nakamura, PA-C
Physician Assistant · Newport Beach, CA
Janet Geisler Nakamura, PA-C is a physician assistant with a practice address in Newport Beach, California, and NPI 1972547537, issued on Jun 15, 2006. Check the license (California PA16597, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Janet Geisler Nakamura
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- PA16597 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1 Hoag Dr, Newport Beach, CA 92663
- Phone
- (949) 764-1407
- Enumerated
- Jun 15, 2006
- Record last updated
- Dec 1, 2021 (not updated in 5 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 14,451 in California → Look up another NPI →
Also registered at 1 Hoag Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Janet Geisler Nakamura in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license PA16597Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
77% fewer Medicare Part D claims than the average physician assistant in 2024
194 Medicare Part D claims for 137 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D.
Most prescribed
- Doxycycline Monohydrate40 claims
- Prednisone21 claims
- Amoxicillin-Clavulanate Potass19 claims
- Cephalexin15 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.
Janet Geisler Nakamura among 14,451 physician assistant records in California
Janet Geisler Nakamura, PA-C is one of 14,451 physician assistant records with a practice address in California. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 1% of them.
- NPI issued2006 · 1% of these records are older, 87% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileNo · 50% of these records are
- Record last updated2021 · 40% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
145 physician assistant records list a practice address in Newport Beach
They are 145 of the 4,414 NPPES records with a practice address in Newport Beach, and 14,451 physician assistant records in California.
All 14,451 in California → Every provider in Newport Beach → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Myrlee Appel, PA-CNewport Beach, CA 926631770697690
- Joseph Avitabile, PA-C, ATCNewport Beach, CA 926631841466067
- Lisa Bailer, P.A.Newport Beach, CA 926631659485886
- Shelley Dolkas Lickl, PANewport Beach, CA 926631760416572
- Gina Duel, MS PACNewport Beach, CA 926631912985979
- Hector Gonzalez, PA-CNewport Beach, CA 926631689676306
- Ana Jimenez, PA-CNewport Beach, CA 926631598909103
- Paige Lindblad, P.A.C.Newport Beach, CA 926631992909873
Common questions
What is Janet Geisler Nakamura, PA-C's NPI number?
Janet Geisler Nakamura, PA-C's National Provider Identifier (NPI) is 1972547537, issued on Jun 15, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Janet Geisler Nakamura, PA-C located?
The NPPES record lists a practice address at 1 Hoag Dr, Newport Beach, CA, 92663. Phone: (949) 764-1407. Providers update this record themselves, so call before visiting.
How can I verify Janet Geisler Nakamura, PA-C's license?
NPPES lists California license number PA16597, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Janet Geisler Nakamura, PA-C prescribe under Medicare Part D?
In 2024, Janet Geisler Nakamura, PA-C had 194 Medicare Part D claims for 137 beneficiaries; the average among physician assistant prescribers was 830. 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.