NPPES file of Aug 9, 2026

James M. Kohlenberg, MD

Internal Medicine Physician · Madison Heights, MI

James M. Kohlenberg, MD is an internal medicine physician with a practice address in Madison Heights, Michigan, and NPI 1720079437, issued on Nov 2, 2005. Check the license (Michigan 4301038982, as entered in NPPES) on the Michigan Board of Medicine (LARA); 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
1720079437
Name
James M. Kohlenberg
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
4301038982 MI
Self-reported in NPPES; status is on the state search
Practice location
26505 John R RD, Madison Heights, MI 48071
Phone
(248) 547-3100
Enumerated
Nov 2, 2005
Record last updated
Feb 12, 2025
Fax
(248) 547-4733
Medicare enrollment
Enrolled (PECOS I20070403000058); accepts Medicare assignment
Medical or professional school
Wayne State University School Of Medicine, 1976
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 26505 John R RD

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

  1. Habib Gennaoui, MDInternal Medicine Physician1437140225
  2. Lakeisha SuttonCommunity Health Worker1851221931

Verify James M. Kohlenberg in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
    Search for license 4301038982
    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 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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2.9 times the Medicare Part D claims of the average internal medicine physician in 2024

9,320 Medicare Part D claims for 638 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 675 claims were for opioids.

  1. James Kohlenberg9,320
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium1,042 claims
  2. Losartan Potassium641 claims
  3. Hydrocodone-Acetaminophen489 claims
  4. Amlodipine Besylate381 claims
  5. Omeprazole362 claims
  6. Levothyroxine Sodium342 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: $231.03

12 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. James Kohlenberg$231.03
  2. Specialty average$1,303.06

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. Michigan Healthcare Professionals PCFarmington Hills, MI

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

James M. Kohlenberg among 5,735 internal medicine physician records in Michigan

James M. Kohlenberg, MD is one of 5,735 internal medicine physician records with a practice address in Michigan. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 90% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 62% of these records are
  • Graduated1976 · median 2006 among the 3,564 with a school on file
  • Record last updated2025 · 54% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

11 internal medicine physician records list a practice address in Madison Heights

They are 11 of the 726 NPPES records with a practice address in Madison Heights, and 5,735 internal medicine physician records in Michigan.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Alexis Federman, D.O.Madison Heights, MI 480711346433422
  2. Habib Gennaoui, MDMadison Heights, MI 480711437140225
  3. Saurabh Gupta, M.D.Madison Heights, MI 480711912926510
  4. Slobodan Kovacevic, M.D.Madison Heights, MI 480711609087204
  5. Gary Langnas, D.O.Madison Heights, MI 480711063496818
  6. Girija Maripudi, MDMadison Heights, MI 480711346306685
  7. Robert Reid, M.D.Madison Heights, MI 480711306947486
  8. Anthony Shen, D.O.Madison Heights, MI 480711619218336

Common questions

What is James M. Kohlenberg, MD's NPI number?

James M. Kohlenberg, MD's National Provider Identifier (NPI) is 1720079437, issued on Nov 2, 2005. An NPI identifies a provider in billing; it is not a license.

Where is James M. Kohlenberg, MD located?

The NPPES record lists a practice address at 26505 John R RD, Madison Heights, MI, 48071. Phone: (248) 547-3100. Providers update this record themselves, so call before visiting.

How can I verify James M. Kohlenberg, MD's license?

NPPES lists Michigan license number 4301038982, as entered by the provider. Search the Michigan Board of Medicine (LARA) at https://aca-prod.accela.com/MILARA/GeneralProperty/PropertyLookUp.aspx?isLicensee=Y&TabName=APO. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does James M. Kohlenberg, MD prescribe under Medicare Part D?

In 2024, James M. Kohlenberg, MD had 9,320 Medicare Part D claims for 638 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.