NPPES file of Aug 9, 2026

Debra Marie Koelzer, PAC

Physician Assistant · Livonia, MI

Debra Marie Koelzer, PAC is a physician assistant with a practice address in Livonia, Michigan, and NPI 1154343465, issued on Jul 24, 2006. Check the license (Michigan 5601003709, 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
1154343465
Name
Debra Marie Koelzer
Credential
PAC
Primary taxonomy
Physician Assistant 363A00000X
License number
5601003709 MI
Self-reported in NPPES; status is on the state search
Practice location
38807 Ann Arbor RD, Livonia, MI 48150
Phone
(734) 953-6734
Enumerated
Jul 24, 2006
Record last updated
Aug 9, 2018 (not updated in 8 years: call before relying on the address or phone)
Fax
(734) 953-6738
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 38807 Ann Arbor RD

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

  1. Amy Chimovitz, M.EDOther Technician1699126938
  2. Diane Drouillard, MA LLPPsychologist1033562624
  3. Christina FabrizioBehavior Technician1770934002
  4. Christina Griffin, NPNurse Practitioner1477021079
  5. Lauren KennyBehavior Technician1922541002
  6. Cindi LonickBehavior Technician1326581539

Verify Debra Marie Koelzer 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 5601003709
    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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7% more Medicare Part D claims than the average physician assistant in 2024

888 Medicare Part D claims for 63 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 2% of claims.

  1. Debra Koelzer888
  2. Specialty average830

Most prescribed

  1. Sertraline Hcl127 claims
  2. Quetiapine Fumarate107 claims
  3. Olanzapine57 claims
  4. Divalproex Sodium Er56 claims
  5. Trazodone Hcl51 claims
  6. Citalopram Hbr50 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.

Debra Marie Koelzer among 6,989 physician assistant records in Michigan

Debra Marie Koelzer, PAC 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 2006, is newer than 2% of them.

  • NPI issued2006 · 2% of these records are older, 83% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileNo · 68% of these records are
  • Record last updated2018 · 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).

97 physician assistant records list a practice address in Livonia

They are 97 of the 4,733 NPPES records with a practice address in Livonia, and 6,989 physician assistant records in Michigan.

The 8 physician assistant records with the nearest ZIP codes

  1. Stefanie Dicea, P.A.C.Livonia, MI 481501952378887
  2. Ronald Dobrzynski, PALivonia, MI 481501902925548
  3. Sarah Lucero, PA-CLivonia, MI 481501801494000
  4. Emily McCullen, PA-CLivonia, MI 481501891264388
  5. Autumn Nguyen, PACLivonia, MI 481501003199910
  6. William Rogers, PALivonia, MI 481501508983701
  7. Miranda Sattam, PA-CLivonia, MI 481501811672405
  8. Dorothy Schmidt, PALivonia, MI 481501407975055

Common questions

What is Debra Marie Koelzer, PAC's NPI number?

Debra Marie Koelzer, PAC's National Provider Identifier (NPI) is 1154343465, issued on Jul 24, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Debra Marie Koelzer, PAC located?

The NPPES record lists a practice address at 38807 Ann Arbor RD, Livonia, MI, 48150. Phone: (734) 953-6734. Providers update this record themselves, so call before visiting.

How can I verify Debra Marie Koelzer, PAC's license?

NPPES lists Michigan license number 5601003709, as entered by the provider. Search the Michigan board that licenses this profession; the NPPES record confirms identity only.

How much does Debra Marie Koelzer, PAC prescribe under Medicare Part D?

In 2024, Debra Marie Koelzer, PAC had 888 Medicare Part D claims for 63 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.