NPPES file of Aug 9, 2026

Ena Osterhouse, PA-C

Physician Assistant · Grand Rapids, MI

Ena Osterhouse, PA-C is a physician assistant with a practice address in Grand Rapids, Michigan, and NPI 1396129490, issued on Jul 17, 2015. Check the license 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
1396129490
Name
Ena Osterhouse
Credential
PA-C
Primary taxonomy
Physician Assistant 363A00000X
License number
PA9112866 FL
Self-reported in NPPES; status is on the state search
Practice location
100 Michigan St NE, Grand Rapids, MI 49503
Phone
(616) 459-7258
Enumerated
Jul 17, 2015
Record last updated
Feb 4, 2020 (not updated in 6 years: call before relying on the address or phone)
Fax
(616) 459-5215
Medicare enrollment
Enrolled (PECOS I20151013000907); 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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Also registered at 100 Michigan St NE

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

  1. Aly Abdel-Mageed, MDPediatric Hematology & Oncology Physician1851361190
  2. Muriam Afzal, MDFamily Medicine Physician1174759906
  3. Shefali Aggarwal, M.DPediatric Critical Care Medicine Physician1720408313
  4. Muhammad Ali Akbar, MDInternal Medicine Physician1518529742
  5. Ghassan Al Nabhan, M.D.Internal Medicine Physician1326458068
  6. Zain AlajjouriEmergency Medicine Physician1366183295

Verify Ena Osterhouse in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Michigan board licenses this professionCheck 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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62% fewer Medicare Part D claims than the average physician assistant in 2024

316 Medicare Part D claims for 70 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 3% of claims. 30 claims were for opioids.

  1. Ena Osterhouse316
  2. Specialty average830

Most prescribed

  1. Clopidogrel38 claims
  2. Metoprolol Tartrate36 claims
  3. Amiodarone Hcl26 claims
  4. Progesterone23 claims
  5. Furosemide21 claims
  6. Potassium Chloride21 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: $206.19

4 payments; by number, the most common kind was food and beverage; the largest payer was Atricure, Inc. The 64,719 providers of this specialty with any payment received $841.65 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Ena Osterhouse$206.19
  2. Specialty average$841.65

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. Ascension Medical Group PromedKalamazoo, MI

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

Ena Osterhouse among 6,989 physician assistant records in Michigan

Ena Osterhouse, PA-C is one of 6,989 physician assistant records with a practice address in Michigan. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 45% of them.

  • NPI issued2015 · 45% of these records are older, 52% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileYes · 68% of these records are
  • Graduated2015 · median 2017 among the 4,739 with a school on file
  • Record last updated2020 · 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 363A00000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

913 physician assistant records list a practice address in Grand Rapids

They are 913 of the 18,005 NPPES records with a practice address in Grand Rapids, and 6,989 physician assistant records in Michigan.

The 8 physician assistant records with the nearest ZIP codes

  1. Lisa Berger, P.A.Grand Rapids, MI 495031497729172
  2. Barbara Blakely, PA-CGrand Rapids, MI 495031649255563
  3. Sarah Bleyenberg, PA-CGrand Rapids, MI 495031174504088
  4. Laura Bolenz-Geesin, PA-CGrand Rapids, MI 495031811982283
  5. Joel Heagle, PA-CGrand Rapids, MI 495031962497990
  6. John Hendricks, PA-CGrand Rapids, MI 495031992705610
  7. Carrie Jerow, MPAS, PA-CGrand Rapids, MI 495031033190285
  8. Jacqueline Johanson, P.A.-CGrand Rapids, MI 495031952304982

Common questions

What is Ena Osterhouse, PA-C's NPI number?

Ena Osterhouse, PA-C's National Provider Identifier (NPI) is 1396129490, issued on Jul 17, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Ena Osterhouse, PA-C located?

The NPPES record lists a practice address at 100 Michigan St NE, Grand Rapids, MI, 49503. Phone: (616) 459-7258. Providers update this record themselves, so call before visiting.

How can I verify Ena Osterhouse, PA-C's license?

Search the Michigan board that licenses this profession; the NPPES record confirms identity only.

How much does Ena Osterhouse, PA-C prescribe under Medicare Part D?

In 2024, Ena Osterhouse, PA-C had 316 Medicare Part D claims for 70 beneficiaries; the average among physician assistant prescribers was 830. 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.