Registry data as of Aug 27, 2026

Jack Lubka, MD

Internal Medicine Physician · Fergus Falls, MN

Jack Lubka, MD is an internal medicine physician with a practice address in Fergus Falls, Minnesota, and NPI 1275038606, issued on Mar 27, 2018. Check the license on the Minnesota Board of Medical Practice; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1275038606
Name
Jack Lubka
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
Practice location
712 S Cascade St, Fergus Falls, MN 56537
Phone
(218) 736-8000
Enumerated
Mar 27, 2018
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 712 S Cascade St

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

  1. Stefanie Aday, PTPhysical Therapist1497785711
  2. Jill Baldwin, PA-CPhysician Assistant1720038029
  3. Margaret Barnes, M.D.Radiation Oncology Physician1699726349
  4. Lonnie Berger, M.D.Family Medicine Physician1063491751
  5. Jonah Bergstrand, PA-CFamily Medicine Physician1952181307
  6. Rebecca Boesl, DNPFamily Nurse Practitioner1043661044

Verify Jack Lubka in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMinnesota Board of Medical PracticeCheck 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.

79% fewer Medicare Part D claims than the average internal medicine physician in 2024

583 Medicare Part D claims for 122 beneficiaries, against an average of 2,785 among the 127,794 providers of this specialty who prescribed in Part D.

  1. Jack Lubka583
  2. Specialty average2,785

Most prescribed

  1. Levothyroxine Sodium33 claims
  2. Prednisone29 claims
  3. Cefdinir27 claims
  4. Metoprolol Succinate26 claims
  5. Omeprazole26 claims
  6. Doxycycline Hyclate23 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.

The practice group's Medicare quality score for 2023: 85.2 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score86.4
  2. Costout of 100 · 30%67.7
  3. Promoting interoperabilityout of 100 · 25%96.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

One hospital or facility affiliation

  1. Prairie Ridge Hospital And Health ServicesEvansville, MN · Critical Access Hospitals

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

9 internal medicine physician records list a Fergus Falls practice address

They are 9 of the 656 NPPES records with a Fergus Falls practice address, and 3,440 internal medicine physician records in Minnesota.

Other internal medicine physician records in Minnesota

  1. Christopher Aakre, MDRochester, MN1508151663
  2. Karen Aarestad, MDBrainerd, MN1275510216
  3. Peter Aas, MDDuluth, MN1063455848
  4. Saud Abaalkhail, M.B.,B.S.Minneapolis, MN1982180733
  5. Mohamad Abbas, M.D.Saint Paul, MN1154404549
  6. Akshar Abbott, M.D.Minneapolis, MN1730459231
  7. Nadhem Abdallah, MDMinneapolis, MN1396423810
  8. Raed Abdelhadi, MDMinneapolis, MN1518057413
  9. Sarah Abdul Jabbar, MBBSSt Cloud, MN1932489002
  10. Ahmad Abdulkarim, MDSaint Paul, MN1578522991

Common questions

What is Jack Lubka, MD's NPI number?

Jack Lubka, MD's National Provider Identifier (NPI) is 1275038606, issued on Mar 27, 2018. An NPI identifies a provider in billing; it is not a license.

Where is Jack Lubka, MD located?

The NPPES record lists a practice address at 712 S Cascade St, Fergus Falls, MN, 56537. Phone: (218) 736-8000. Providers update this record themselves, so call before visiting.

How can I verify Jack Lubka, MD's license?

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 Jack Lubka, MD prescribe under Medicare Part D?

In 2024, Jack Lubka, MD had 583 Medicare Part D claims for 122 beneficiaries; the average among internal medicine physician prescribers was 2,785. Part D covers Medicare prescriptions only.

What is Jack Lubka, MD's Medicare quality score?

The 2023 MIPS final score is 85.2 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.