NPPES file of Aug 9, 2026

David J. Woltmann, DO

Nephrology Physician · Lansing, MI

David J. Woltmann, DO is a nephrology physician with a practice address in Lansing, Michigan, and NPI 1548283567, issued on Jul 25, 2006. Check the license (Michigan DW 012033, 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
1548283567
Name
David J. Woltmann
Credential
DO
Primary taxonomy
Nephrology Physician 207RN0300X
License number
DW 012033 MI
Self-reported in NPPES; status is on the state search
Practice location
405 W Greenlawn, Lansing, MI 48910
Phone
(517) 485-8217
Enumerated
Jul 25, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(517) 485-3871
Medicare enrollment
Enrolled (PECOS I20050511000415); accepts Medicare assignment
Medical or professional school
Michigan State University College Of Osteopathic Medicine, 1993
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 405 W Greenlawn

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

  1. Douglas Bez, DOAnesthesiology Physician1801868922
  2. Suk Chang, MDAnesthesiology Physician1366415432
  3. Makhoul Hourani, MDNephrology Physician1114954039
  4. Crispin Quitos, DOAnesthesiology Physician1760458368
  5. Carol Simmons, MDNephrology Physician1386667301
  6. Daryl Smith, DOAnesthesiology Physician1710959507

Verify David J. Woltmann 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 DW 012033
    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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59% more Medicare Part D claims than the average nephrology physician in 2024

2,331 Medicare Part D claims for 257 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 55 claims were for opioids.

  1. David Woltmann2,331
  2. Specialty average1,465

Most prescribed

  1. Losartan Potassium113 claims
  2. Amlodipine Besylate86 claims
  3. Calcitriol81 claims
  4. Potassium Chloride71 claims
  5. Rosuvastatin Calcium64 claims
  6. Torsemide60 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: $224.07

10 payments; by number, the most common kind was food and beverage; the largest payer was Amgen Inc. The 8,230 providers of this specialty with any payment received $3,091.37 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. David Woltmann$224.07
  2. Specialty average$3,091.37

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through 3 group practices

  1. Aspirus KeweenawLaurium, MI
  2. Ingham Nephrology And Hypertension PCLansing, MI
  3. Portage Physician Practices IncHancock, MI

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

David J. Woltmann among 376 nephrology physician records in Michigan

David J. Woltmann, DO is one of 376 nephrology physician 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 12% of them.

  • NPI issued2006 · 12% of these records are older, 48% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileYes · 74% of these records are
  • Graduated1993 · median 2001 among the 279 with a school on file
  • Record last updated2007 · 59% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RN0300X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Nephrology Physician providers in Michigan

There are 376 nephrology physician records in Michigan.

The 8 nephrology physician records with the nearest ZIP codes

  1. Carla Dudash-Mion, DOLansing, MI 489101649490582
  2. Makhoul Hourani, MDLansing, MI 489101114954039
  3. Carol Simmons, MDLansing, MI 489101386667301
  4. Amanda ThelenLansing, MI 489101568948537
  5. Brian Cousino, D.O.Lansing, MI 489111962775122
  6. Gabriel Elia, MDLansing, MI 489121528107547
  7. Rafael Javier, M.D.Lansing, MI 489121770536997
  8. Nader Kassis Akl, M.D.Lansing, MI 489121407086325

Common questions

What is David J. Woltmann, DO's NPI number?

David J. Woltmann, DO's National Provider Identifier (NPI) is 1548283567, issued on Jul 25, 2006. An NPI identifies a provider in billing; it is not a license.

Where is David J. Woltmann, DO located?

The NPPES record lists a practice address at 405 W Greenlawn, Lansing, MI, 48910. Phone: (517) 485-8217. Providers update this record themselves, so call before visiting.

How can I verify David J. Woltmann, DO's license?

NPPES lists Michigan license number DW 012033, 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 David J. Woltmann, DO prescribe under Medicare Part D?

In 2024, David J. Woltmann, DO had 2,331 Medicare Part D claims for 257 beneficiaries; the average among nephrology physician prescribers was 1,465. 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.