Mary Anne Werkman, DO
Internal Medicine Physician · Lansing, MI
Mary Anne Werkman, DO is an internal medicine physician with a practice address in Lansing, Michigan, and NPI 1073511028, issued on Jul 13, 2005. Check the license (Michigan MW008159, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- Mary Anne Werkman
- Credential
- DO
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- MW008159 MI
Self-reported in NPPES; status is on the state search - Practice location
- 3955 Patient Care Dr Ste A, Lansing, MI 48911
- Phone
- (517) 374-7600
- Enumerated
- Jul 13, 2005
- Record last updated
- Mar 19, 2025
- Fax
- (885) 480-9150
- Medicaid ID
- 350763911 MI
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 5,735 in Michigan → Look up another NPI →
Also registered at 3955 Patient Care Dr Ste A
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Shweta Bhatnagar, DOInternal Medicine Physician1366023830
- Hitesh Bhatt, D.OInternal Medicine Physician1477716579
- Annelise Bowman, NPFamily Nurse Practitioner1225871148
- Felix Chalu, NP-CNurse Practitioner1730686916
- Sarah Corgan, NPGerontology Nurse Practitioner1962157586
- Garrett Descoteaux-Friday, D.O.Internal Medicine Physician1922539717
Verify Mary Anne Werkman in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license MW008159Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.6 times the Medicare Part D claims of the average internal medicine physician in 2024
8,290 Medicare Part D claims for 482 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 205 claims were for opioids.
Most prescribed
- Levothyroxine Sodium497 claims
- Atorvastatin Calcium495 claims
- Losartan Potassium366 claims
- Amlodipine Besylate328 claims
- Hydrochlorothiazide268 claims
- Metoprolol Succinate253 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: $94.53
5 payments; by number, the most common kind was food and beverage; the largest payer was Pfizer Inc. 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.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Mary Anne Werkman among 5,735 internal medicine physician records in Michigan
Mary Anne Werkman, DO 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 fileNo · 62% of these records are
- 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).
135 internal medicine physician records list a practice address in Lansing
They are 135 of the 5,276 NPPES records with a practice address in Lansing, and 5,735 internal medicine physician records in Michigan.
All 5,735 in Michigan → Every provider in Lansing → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Melvin Cherry, MDLansing, MI 489111386735413
- Charles Dehlin, DOLansing, MI 489111952308843
- Paul Deweese, MDLansing, MI 489111144326679
- Barbara Fretwell, MDLansing, MI 489111578561429
- Amit Ghose, MDLansing, MI 489111639177686
- Whitney Hounshell, D.O.Lansing, MI 489111366648842
- Justin Kisaka, DOLansing, MI 489111912128539
- Michael Kowalczyk, DOLansing, MI 489111649277211
Common questions
What is Mary Anne Werkman, DO's NPI number?
Mary Anne Werkman, DO's National Provider Identifier (NPI) is 1073511028, issued on Jul 13, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Mary Anne Werkman, DO located?
The NPPES record lists a practice address at 3955 Patient Care Dr Ste A, Lansing, MI, 48911. Phone: (517) 374-7600. Providers update this record themselves, so call before visiting.
How can I verify Mary Anne Werkman, DO's license?
NPPES lists Michigan license number MW008159, 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 Mary Anne Werkman, DO prescribe under Medicare Part D?
In 2024, Mary Anne Werkman, DO had 8,290 Medicare Part D claims for 482 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.