NPPES file of Aug 9, 2026

Esther Yoon Nickelson, FNP-C

Nurse Practitioner · Oakland, CA

Esther Yoon Nickelson, FNP-C is a nurse practitioner with a practice address in Oakland, California, and NPI 1164068268, issued on Nov 23, 2019. Check the license (California 95013748, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1164068268
Name
Esther Yoon Nickelson
Credential
FNP-C
Primary taxonomy
Nurse Practitioner 363L00000X
License numbers
95013748 CA
95154363 CA
161969 MT
161968 MT
Self-reported in NPPES; status is on the state search
Practice location
411 Grand Ave, Oakland, CA 94610
Phone
(510) 844-4097
Enumerated
Nov 23, 2019
Record last updated
Sep 26, 2022
Medicaid ID
1164068268 MT
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 411 Grand Ave

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

  1. Tobey Allen, LMFTMarriage & Family Therapist1427302116
  2. Joshua Baxter, FNP-CNurse Practitioner1932644036
  3. Muriel Mayes, OMT RPTPhysical Therapist1184806564
  4. Theresa Meinert, RNFamily Nurse Practitioner1215431895
  5. Joanna Roberts, PA, PTAPhysician Assistant1164559506

Verify Esther Yoon Nickelson in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license 95013748
    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
Find the California license search

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99% fewer Medicare Part D claims than the average nurse practitioner in 2024

11 Medicare Part D claims, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D.

  1. Esther Nickelson11
  2. Specialty average1,109

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.

The practice group's MIPS final score for 2023 (Medicare payment program): 77.3 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score82.4
  2. Costout of 100 · 30%50.1
  3. Promoting interoperabilityout of 100 · 25%90.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Esther Yoon Nickelson among 8,223 nurse practitioner records in California

Esther Yoon Nickelson, FNP-C is one of 8,223 nurse practitioner records with a practice address in California. 65% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 61% of them.

  • NPI issued2019 · 61% of these records are older, 34% newer
  • In a Medicare fileYes · 65% of these records are
  • In the CMS Doctors and Clinicians fileNo · 42% of these records are
  • Record last updated2022 · 45% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Nurse Practitioner providers in California

There are 8,223 nurse practitioner records in California.

The 8 nurse practitioner records with the nearest ZIP codes

  1. Joshua Baxter, FNP-COakland, CA 946101932644036
  2. Nicole FernandesOakland, CA 946101558997569
  3. Jerusalem Makonnen, RN,MSN,FNPOakland, CA 946101972510022
  4. Jerry WongOakland, CA 946101124694377
  5. Lauren Blanchard, CNFPOakland, CA 946091326057092
  6. Joan Bloom, NPOakland, CA 946111285792432
  7. Mitchell D'Arata, N.P.Oakland, CA 946091730108309
  8. Gabriela De La Riva, NPOakland, CA 946111124185293

Common questions

What is Esther Yoon Nickelson, FNP-C's NPI number?

Esther Yoon Nickelson, FNP-C's National Provider Identifier (NPI) is 1164068268, issued on Nov 23, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Esther Yoon Nickelson, FNP-C located?

The NPPES record lists a practice address at 411 Grand Ave, Oakland, CA, 94610. Phone: (510) 844-4097. Providers update this record themselves, so call before visiting.

How can I verify Esther Yoon Nickelson, FNP-C's license?

NPPES lists California license number 95013748, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Esther Yoon Nickelson, FNP-C prescribe under Medicare Part D?

In 2024, Esther Yoon Nickelson, FNP-C had 11 Medicare Part D claims; the average among nurse practitioner prescribers was 1,109. Part D covers Medicare prescriptions only.

What is Esther Yoon Nickelson, FNP-C's MIPS final score?

The 2023 MIPS final score is 77.3 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

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.