NPPES file of Aug 9, 2026

Marisa Kaiser, NP

Women's Health Nurse Practitioner · Tucson, AZ

Marisa Kaiser, NP is a women's health nurse practitioner with a practice address in Tucson, Arizona, and NPI 1558811471, issued on Oct 4, 2016. Check the license (Arizona AP9015, as entered in NPPES) with the Arizona 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
1558811471
Name
Marisa Kaiser
Credential
NP
Primary taxonomy
Women's Health Nurse Practitioner 363LW0102X
License number
AP9015 AZ
Self-reported in NPPES; status is on the state search
Practice location
2300 N Rosemont Blvd, Tucson, AZ 85712
Phone
(520) 881-1977
Enumerated
Oct 4, 2016
Record last updated
Aug 10, 2023
Fax
(520) 881-1979
Medicare enrollment
Enrolled (PECOS I20161118002264); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest women's health nurse practitioner records → All 261 in Arizona → Look up another NPI →

Also registered at 2300 N Rosemont Blvd

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

  1. Maryam Beheshti, MDObstetrics & Gynecology Physician1760470595
  2. Stephanie Chin, M.D.Obstetrics & Gynecology Physician1417026188
  3. Katherine Gillaspy, M.D.Obstetrics & Gynecology Physician1174727754
  4. Cynthia Goldberg, MDObstetrics & Gynecology Physician1942298781
  5. Lia Gordon, FNPFamily Nurse Practitioner1215553938
  6. Nicole Hook, MDObstetrics & Gynecology Physician1750379590

Verify Marisa Kaiser in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Arizona board licenses this profession
    Search for license AP9015    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 Arizona license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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9% fewer Medicare Part D claims than the average women's health nurse practitioner in 2024

198 Medicare Part D claims for 84 beneficiaries, against an average of 217 among the 3,809 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims.

  1. Marisa Kaiser198
  2. Specialty average217

Most prescribed

  1. Estradiol59 claims
  2. Estradiol (Twice Weekly)20 claims
  3. Fluconazole17 claims
  4. Medroxyprogesterone Acetate17 claims
  5. Acyclovir14 claims
  6. Clotrimazole-Betamethasone14 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: $440.24

18 payments; by number, the most common kind was food and beverage; the largest payer was Sumitomo Pharma America, Inc. The 3,574 providers of this specialty with any payment received $426.02 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Marisa Kaiser$440.24
  2. Specialty average$426.02

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

Bills Medicare through one group practice

  1. Genesis OB Gyn PLLCOro Valley, AZ

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Marisa Kaiser among 261 women's health nurse practitioner records in Arizona

Marisa Kaiser, NP is one of 261 women's health nurse practitioner records with a practice address in Arizona. 63% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 62% of them.

  • NPI issued2016 · 62% of these records are older, 36% newer
  • In a Medicare fileYes · 63% of these records are
  • In the CMS Doctors and Clinicians fileYes · 45% of these records are
  • Graduated2016 · median 2016 among the 118 with a school on file
  • Record last updated2023 · 43% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LW0102X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Women's Health Nurse Practitioner providers in Arizona

There are 261 women's health nurse practitioner records in Arizona.

All 261 in Arizona → Every provider in Tucson → Women's Health Nurse Practitioner nationwide →

The 8 women's health nurse practitioner records with the nearest ZIP codes

  1. Barbara Allen, RNTucson, AZ 857121386621738
  2. Catherine Cook, WHNPTucson, AZ 857121639461833
  3. Suzanna Harrison, RNC,WHNPTucson, AZ 857121336162551
  4. Margaret Jackman, NPTucson, AZ 857121962594655
  5. Karen Narum, W.H.N.P.Tucson, AZ 857121851462121
  6. Bernadette O'Grady, WHNPTucson, AZ 857121336424811
  7. Stephanie Schulman, MSN, WHNP-BCTucson, AZ 857121295367316
  8. Nancie Swerdfeger, NPTucson, AZ 857121942398680

Common questions

What is Marisa Kaiser, NP's NPI number?

Marisa Kaiser, NP's National Provider Identifier (NPI) is 1558811471, issued on Oct 4, 2016. An NPI identifies a provider in billing; it is not a license.

Where is Marisa Kaiser, NP located?

The NPPES record lists a practice address at 2300 N Rosemont Blvd, Tucson, AZ, 85712. Phone: (520) 881-1977. Providers update this record themselves, so call before visiting.

How can I verify Marisa Kaiser, NP's license?

NPPES lists Arizona license number AP9015, as entered by the provider. Search the Arizona board that licenses this profession; the NPPES record confirms identity only.

How much does Marisa Kaiser, NP prescribe under Medicare Part D?

In 2024, Marisa Kaiser, NP had 198 Medicare Part D claims for 84 beneficiaries; the average among women's health nurse practitioner prescribers was 217. 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.