NPPES file of Aug 9, 2026

Mary Marlene Holmstrom, MSN, APRN, WHNP-BC

Women's Health Nurse Practitioner · Chicago, IL

Mary Marlene Holmstrom, MSN, APRN, WHNP-BC is a women's health nurse practitioner with a practice address in Chicago, Illinois, and NPI 1063176220, issued on Oct 25, 2021. Check the license (Illinois 209.026895, as entered in NPPES) with the Illinois 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
1063176220
Name
Mary Marlene Holmstrom
Credential
MSN, APRN, WHNP-BC
Primary taxonomy
Women's Health Nurse Practitioner 363LW0102X
License number
209.026895 IL
Self-reported in NPPES; status is on the state search
Practice location
111 W Jackson Blvd Ste 1700, Chicago, IL 60604
Phone
(888) 731-8994
Enumerated
Oct 25, 2021
Record last updated
Aug 18, 2025
Fax
(833) 775-1861
Medicare enrollment
Enrolled (PECOS I20230420002458); 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.
Download card Updates feed

8 nearest women's health nurse practitioner records → All 291 in Illinois → Look up another NPI →

Also registered at 111 W Jackson Blvd Ste 1700

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

  1. Nicole Akuoko, MAMental Health Counselor1225835101
  2. Loryn Ashton, WHNP, APNWomen's Health Nurse Practitioner1225455942
  3. Danielle Babbington, DNP, APRN, FNP-BCNurse Practitioner1801165758
  4. Ivona Barton, NP-CNurse Practitioner1699385088
  5. Joseph Basso, LCSW, CADCClinical Social Worker1174416366
  6. Natalie Benzon, WHNPWomen's Health Nurse Practitioner1275812083

Verify Mary Marlene Holmstrom in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Illinois board licenses this profession
    Search for license 209.026895    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 Illinois 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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

55% fewer Medicare Part D claims than the average women's health nurse practitioner in 2024

97 Medicare Part D claims for 51 beneficiaries, against an average of 217 among the 3,809 providers of this specialty who prescribed in Part D.

  1. Mary Holmstrom97
  2. Specialty average217

Most prescribed

  1. Estradiol31 claims
  2. Clobetasol Propionate20 claims
  3. Metronidazole15 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: $127.58

6 payments; by number, the most common kind was food and beverage; the largest payer was Organon Llc. 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. Mary Holmstrom$127.58
  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. Dupage Medical Group LtdWinfield, IL

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

Mary Marlene Holmstrom among 291 women's health nurse practitioner records in Illinois

Mary Marlene Holmstrom, MSN, APRN, WHNP-BC is one of 291 women's health nurse practitioner records with a practice address in Illinois. 57% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 70% of them.

  • NPI issued2021 · 70% of these records are older, 25% newer
  • In a Medicare fileYes · 57% of these records are
  • In the CMS Doctors and Clinicians fileYes · 33% of these records are
  • Graduated2022 · median 2015 among the 97 with a school on file
  • Record last updated2025 · 47% 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 Illinois 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 Illinois

There are 291 women's health nurse practitioner records in Illinois.

All 291 in Illinois → Every provider in Chicago → Women's Health Nurse Practitioner nationwide →

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

  1. Loryn Ashton, WHNP, APNChicago, IL 606041225455942
  2. Natalie Benzon, WHNPChicago, IL 606041275812083
  3. Megan Bishoff, APRN-FPA, CNM, WHNPChicago, IL 606041407455306
  4. Roseanne Burke, WHNPChicago, IL 606041255778593
  5. Margot DuffyChicago, IL 606041194439885
  6. Melissa Faber, APNChicago, IL 606041235462805
  7. Nicole McMillian, APRNChicago, IL 606041093340275
  8. Carol Powers, APN/NPChicago, IL 606041558885715

Common questions

What is Mary Marlene Holmstrom, MSN, APRN, WHNP-BC's NPI number?

Mary Marlene Holmstrom, MSN, APRN, WHNP-BC's National Provider Identifier (NPI) is 1063176220, issued on Oct 25, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Mary Marlene Holmstrom, MSN, APRN, WHNP-BC located?

The NPPES record lists a practice address at 111 W Jackson Blvd Ste 1700, Chicago, IL, 60604. Phone: (888) 731-8994. Providers update this record themselves, so call before visiting.

How can I verify Mary Marlene Holmstrom, MSN, APRN, WHNP-BC's license?

NPPES lists Illinois license number 209.026895, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.

How much does Mary Marlene Holmstrom, MSN, APRN, WHNP-BC prescribe under Medicare Part D?

In 2024, Mary Marlene Holmstrom, MSN, APRN, WHNP-BC had 97 Medicare Part D claims for 51 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.