NPPES file of Aug 9, 2026

Aaron Michael Bacalia, PA-C

Physician Assistant · Kalamazoo, MI

Aaron Michael Bacalia, PA-C is a physician assistant with a practice address in Kalamazoo, Michigan, and NPI 1790876894, issued on Sep 27, 2006. Check the license (Michigan 5601004843, 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
1790876894
Name
Aaron Michael Bacalia
Credential
PA-C
Primary taxonomy
Physician Assistant 363A00000X
License number
5601004843 MI
Self-reported in NPPES; status is on the state search
Practice location
6210 W Main St, Kalamazoo, MI 49009
Phone
(269) 286-7030
Enumerated
Sep 27, 2006
Record last updated
Mar 22, 2023
Medicare enrollment
Enrolled (PECOS I20070328000128); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
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 6210 W Main St

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

  1. Alexandria Bower-Nelson, PAPhysician Assistant1982212072
  2. Ashley Conklin, N.P.Family Nurse Practitioner1528500998
  3. Megan Foley, NPPediatric Nurse Practitioner1831335124
  4. Nancy Hilleren, M.D.Pediatrics Physician1003861311
  5. Kathleen Karnes, PNPPediatric Nurse Practitioner1790864981
  6. Tiffany Kowalski, RNRegistered Nurse1992411581

Verify Aaron Michael Bacalia 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 5601004843
    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

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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5.7 times the Medicare Part D claims of the average physician assistant in 2024

4,761 Medicare Part D claims for 618 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 200 claims were for opioids.

  1. Aaron Bacalia4,761
  2. Specialty average830

Most prescribed

  1. Atorvastatin Calcium342 claims
  2. Levothyroxine Sodium148 claims
  3. Rosuvastatin Calcium144 claims
  4. Lisinopril142 claims
  5. Amlodipine Besylate141 claims
  6. Gabapentin136 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: $745.62

24 payments; by number, the most common kind was food and beverage; the largest payer was Novo Nordisk 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. Aaron Bacalia$745.62
  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.

One hospital affiliation

  1. Bronson Methodist HospitalKalamazoo, MI · Acute Care Hospitals4 of 5 stars

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Aaron Michael Bacalia among 6,989 physician assistant records in Michigan

Aaron Michael Bacalia, 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 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 fileYes · 68% of these records are
  • Graduated2006 · median 2017 among the 4,739 with a school on file
  • Record last updated2023 · 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).

173 physician assistant records list a practice address in Kalamazoo

They are 173 of the 6,553 NPPES records with a practice address in Kalamazoo, and 6,989 physician assistant records in Michigan.

The 8 physician assistant records with the nearest ZIP codes

  1. Lindsay Allen, PA-CKalamazoo, MI 490091407105349
  2. Christopher Beamish, P.A.Kalamazoo, MI 490091083722839
  3. Julie Bowser, PA-CKalamazoo, MI 490091629187810
  4. Cynthia Cretsinger, PA-CKalamazoo, MI 490091386799849
  5. Ronald Doan, PAKalamazoo, MI 490091710062864
  6. Troy Green, PACKalamazoo, MI 490091184604530
  7. Nicholas LapennaKalamazoo, MI 490091013196534
  8. Gretchen Leffler, PACKalamazoo, MI 490091255457677

Common questions

What is Aaron Michael Bacalia, PA-C's NPI number?

Aaron Michael Bacalia, PA-C's National Provider Identifier (NPI) is 1790876894, issued on Sep 27, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Aaron Michael Bacalia, PA-C located?

The NPPES record lists a practice address at 6210 W Main St, Kalamazoo, MI, 49009. Phone: (269) 286-7030. Providers update this record themselves, so call before visiting.

How can I verify Aaron Michael Bacalia, PA-C's license?

NPPES lists Michigan license number 5601004843, as entered by the provider. Search the Michigan board that licenses this profession; the NPPES record confirms identity only.

How much does Aaron Michael Bacalia, PA-C prescribe under Medicare Part D?

In 2024, Aaron Michael Bacalia, PA-C had 4,761 Medicare Part D claims for 618 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.