NPPES file of Aug 9, 2026

Mary Elizabeth Blauw, FNP

Family Nurse Practitioner · Grand Rapids, MI

Mary Elizabeth Blauw, FNP is a family nurse practitioner with a practice address in Grand Rapids, Michigan, and NPI 1477951952, issued on Dec 15, 2014. Check the license (Michigan 4704274998, as entered in NPPES) with the Michigan 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
1477951952
Name
Mary Elizabeth Blauw
Credential
FNP
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
4704274998 MI
Self-reported in NPPES; status is on the state search
Practice location
970 Parchment Dr SE, Grand Rapids, MI 49546
Phone
(616) 949-4840
Enumerated
Dec 15, 2014
Record last updated
Dec 15, 2014 (not updated in 12 years: call before relying on the address or phone)
Fax
(616) 494-3531
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 970 Parchment Dr SE

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

  1. Renee Bell, CFNPFamily Nurse Practitioner1750381463
  2. Margaret Traeger, N.P.Nurse Practitioner1518376490
  3. Sara Uekert, MDAllergy & Immunology Physician1447364237
  4. Sarah Vandeven, MSN, CRNPNurse Practitioner1295720092

Verify Mary Elizabeth Blauw in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Michigan board licenses this profession
    Search for license 4704274998
    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 Michigan license search

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75% fewer Medicare Part D claims than the average family nurse practitioner in 2024

323 Medicare Part D claims for 105 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 32% of claims.

  1. Mary Blauw323
  2. Specialty average1,305

Most prescribed

  1. Montelukast Sodium84 claims
  2. Fluticasone Propionate36 claims
  3. Albuterol Sulfate Hfa34 claims
  4. Ipratropium Bromide24 claims
  5. Budesonide-Formoterol Fumarate17 claims
  6. Epinephrine17 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.

Mary Elizabeth Blauw among 5,356 family nurse practitioner records in Michigan

Mary Elizabeth Blauw, FNP is one of 5,356 family nurse practitioner records with a practice address in Michigan. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 21% of them.

  • NPI issued2014 · 21% of these records are older, 76% newer
  • In a Medicare fileYes · 78% of these records are
  • In the CMS Doctors and Clinicians fileNo · 61% of these records are
  • Record last updated2014 · 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 363LF0000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

290 family nurse practitioner records list a practice address in Grand Rapids

They are 290 of the 18,005 NPPES records with a practice address in Grand Rapids, and 5,356 family nurse practitioner records in Michigan.

The 8 family nurse practitioner records with the nearest ZIP codes

  1. Joy BartholomewGrand Rapids, MI 495461265498208
  2. Renee Bell, CFNPGrand Rapids, MI 495461750381463
  3. Allison Boonie, NP-CGrand Rapids, MI 495461174948384
  4. Marc BowersGrand Rapids, MI 495461356789135
  5. Daniel Gritters, NPGrand Rapids, MI 495461205249414
  6. Jeremy Herr, MS, FNP, APNPGrand Rapids, MI 495461164731535
  7. Joyce Jensen, FNPGrand Rapids, MI 495461013024983
  8. Gay Kaashoek, F.N.P.Grand Rapids, MI 495461659533685

Common questions

What is Mary Elizabeth Blauw, FNP's NPI number?

Mary Elizabeth Blauw, FNP's National Provider Identifier (NPI) is 1477951952, issued on Dec 15, 2014. An NPI identifies a provider in billing; it is not a license.

Where is Mary Elizabeth Blauw, FNP located?

The NPPES record lists a practice address at 970 Parchment Dr SE, Grand Rapids, MI, 49546. Phone: (616) 949-4840. Providers update this record themselves, so call before visiting.

How can I verify Mary Elizabeth Blauw, FNP's license?

NPPES lists Michigan license number 4704274998, as entered by the provider. Search the Michigan board that licenses this profession; the NPPES record confirms identity only.

How much does Mary Elizabeth Blauw, FNP prescribe under Medicare Part D?

In 2024, Mary Elizabeth Blauw, FNP had 323 Medicare Part D claims for 105 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.

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.