NPPES file of Aug 9, 2026

Karen Harumi Natsuhara, MSN, FNP

Family Nurse Practitioner · Sacramento, CA

Karen Harumi Natsuhara, MSN, FNP is a family nurse practitioner with a practice address in Sacramento, California, and NPI 1629194667, issued on Mar 21, 2007. Check the license (California NPF9824, 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1629194667
Name
Karen Harumi Natsuhara
Credential
MSN, FNP
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
NPF9824 CA
Self-reported in NPPES; status is on the state search
Practice location
4501 X St, Sacramento, CA 95817
Phone
(916) 734-5959
Enumerated
Mar 21, 2007
Record last updated
Aug 27, 2015 (not updated in 11 years: call before relying on the address or phone)
Fax
(916) 703-5265
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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8 nearest family nurse practitioner records → All 16,966 in California → Look up another NPI →

Also registered at 4501 X St

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

  1. Kristine Ahlberg, RNOncology Registered Nurse1982086567
  2. Danielle Baham, RDRegistered Dietitian1427533249
  3. Cheryl Breed, NPNurse Practitioner1760408959
  4. Laura Brennan, F.N.PFamily Nurse Practitioner1235389826
  5. Radha CanepaInternal Medicine Physician1760767511
  6. Sally Denardo, M.D.Internal Medicine Physician1568447878

Verify Karen Harumi Natsuhara 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 NPF9824    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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90% fewer Medicare Part D claims than the average family nurse practitioner in 2024

130 Medicare Part D claims for 47 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims. 11 claims were for opioids.

  1. Karen Natsuhara130
  2. Specialty average1,305

Most prescribed

  1. Anastrozole23 claims
  2. Ondansetron Hcl12 claims
  3. Letrozole11 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.

Industry payments in 2024: $521.41

19 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 99,489 providers of this specialty with any payment received $650.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Karen Natsuhara$521.41
  2. Specialty average$650.95

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Karen Harumi Natsuhara among 16,966 family nurse practitioner records in California

Karen Harumi Natsuhara, MSN, FNP is one of 16,966 family nurse practitioner records with a practice address in California. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 7% of them.

  • NPI issued2007 · 7% of these records are older, 87% newer
  • In a Medicare fileYes · 67% of these records are
  • In the CMS Doctors and Clinicians fileNo · 40% of these records are
  • Record last updated2015 · 42% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

444 family nurse practitioner records list a practice address in Sacramento

They are 444 of the 33,083 NPPES records with a practice address in Sacramento, and 16,966 family nurse practitioner records in California.

All 16,966 in California → Every provider in Sacramento → Family Nurse Practitioner nationwide →

The 8 family nurse practitioner records with the nearest ZIP codes

  1. Jo Bryan, NPSacramento, CA 958171033190418
  2. Janet Carter, N.P.Sacramento, CA 958171285616698
  3. Kathryn Casey, RN, NP-CSacramento, CA 958171982687588
  4. Gina Flaharty, NPSacramento, CA 958171093799967
  5. Elizabeth Gall, R.N., F.N.P.-C.Sacramento, CA 958171487636932
  6. Virginia Hass, FNP, DNPSacramento, CA 958171154303543
  7. Betty Ingell, ED.D., FNP, PA-CSacramento, CA 958171417939737
  8. Marybeth Maguire, RN, FNPSacramento, CA 958171407830052

Common questions

What is Karen Harumi Natsuhara, MSN, FNP's NPI number?

Karen Harumi Natsuhara, MSN, FNP's National Provider Identifier (NPI) is 1629194667, issued on Mar 21, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Karen Harumi Natsuhara, MSN, FNP located?

The NPPES record lists a practice address at 4501 X St, Sacramento, CA, 95817. Phone: (916) 734-5959. Providers update this record themselves, so call before visiting.

How can I verify Karen Harumi Natsuhara, MSN, FNP's license?

NPPES lists California license number NPF9824, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Karen Harumi Natsuhara, MSN, FNP prescribe under Medicare Part D?

In 2024, Karen Harumi Natsuhara, MSN, FNP had 130 Medicare Part D claims for 47 beneficiaries; the average among family nurse practitioner prescribers was 1,305. 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.