NPPES file of Aug 9, 2026

Zachary Ryan Messer, MD

Family Medicine Physician · Forest Lake, MN

Zachary Ryan Messer, MD is a family medicine physician with a practice address in Forest Lake, Minnesota, and NPI 1639811946, issued on Apr 8, 2022. Check the license (Minnesota 80769, as entered in NPPES) on the Minnesota Board of Medical Practice; 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
1639811946
Name
Zachary Ryan Messer
Credential
MD
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
80769 MN
Self-reported in NPPES; status is on the state search
Practice location
1540 Lake St S, Forest Lake, MN 55025
Phone
(651) 464-7100
Enumerated
Apr 8, 2022
Record last updated
Nov 6, 2025
Fax
(651) 241-1515
Medicare enrollment
Enrolled (PECOS I20250902002837); 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 1540 Lake St S

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

  1. Laura Arcand, PA-CPhysician Assistant1265840698
  2. Linda Asadourian, MDFamily Medicine Physician1255383360
  3. Virginia Bennett, MS, RD, LDRegistered Dietitian1033172036
  4. Abigail Brekken, RD, LDRegistered Dietitian1720703275
  5. Chelsea Domeier, PA-CPhysician Assistant1386195659
  6. Harvey Frank, MDFamily Medicine Physician1457312142

Verify Zachary Ryan Messer in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMinnesota Board of Medical Practice
    Search for license 80769
    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
Open the Minnesota 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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96% fewer Medicare Part D claims than the average family medicine physician in 2024

140 Medicare Part D claims, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims.

  1. Zachary Messer140
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium20 claims
  2. Atenolol13 claims
  3. Jardiance13 claims
  4. Metformin Hcl12 claims
  5. Lisinopril11 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.

Bills Medicare through one group practice

  1. Allina Health SystemForest Lake, MN

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

Zachary Ryan Messer among 3,985 family medicine physician records in Minnesota

Zachary Ryan Messer, MD is one of 3,985 family medicine physician records with a practice address in Minnesota. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 95% of them.

  • NPI issued2022 · 95% of these records are older, 3% newer
  • In a Medicare fileYes · 74% of these records are
  • In the CMS Doctors and Clinicians fileYes · 62% of these records are
  • Graduated2021 · median 2006 among the 2,483 with a school on file
  • Record last updated2025 · 63% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Minnesota practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

17 family medicine physician records list a practice address in Forest Lake

They are 17 of the 272 NPPES records with a practice address in Forest Lake, and 3,985 family medicine physician records in Minnesota.

The 8 family medicine physician records with the nearest ZIP codes

  1. Linda Asadourian, MDForest Lake, MN 550251255383360
  2. Harvey Frank, MDForest Lake, MN 550251457312142
  3. Donald Kjome, M.D.Forest Lake, MN 550251588749642
  4. Jason Logan, MDForest Lake, MN 550251619985447
  5. Elizabeth Maloney, MDForest Lake, MN 550251740243872
  6. Gary Mayer, MDForest Lake, MN 550251235198276
  7. Paul Nerothin, MDForest Lake, MN 550251861454084
  8. Oluwakemi Olowoyo, M.DForest Lake, MN 550251023252731

Common questions

What is Zachary Ryan Messer, MD's NPI number?

Zachary Ryan Messer, MD's National Provider Identifier (NPI) is 1639811946, issued on Apr 8, 2022. An NPI identifies a provider in billing; it is not a license.

Where is Zachary Ryan Messer, MD located?

The NPPES record lists a practice address at 1540 Lake St S, Forest Lake, MN, 55025. Phone: (651) 464-7100. Providers update this record themselves, so call before visiting.

How can I verify Zachary Ryan Messer, MD's license?

NPPES lists Minnesota license number 80769, as entered by the provider. Search the Minnesota Board of Medical Practice at https://mn.gov/boards/medical-practice/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Zachary Ryan Messer, MD prescribe under Medicare Part D?

In 2024, Zachary Ryan Messer, MD had 140 Medicare Part D claims; the average among family medicine physician prescribers was 3,544. 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.