NPPES file of Aug 9, 2026

Lauren Anne Workman, DO

Internal Medicine Physician · Royal Oak, MI

Lauren Anne Workman, DO is an internal medicine physician with a practice address in Royal Oak, Michigan, and NPI 1194454330, issued on Jun 5, 2022. Check the license (Michigan 5101028668, 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
1194454330
Name
Lauren Anne Workman
Credential
DO
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
5101028668 MI
Self-reported in NPPES; status is on the state search
Practice location
3535 W 13 Mile RD Ste LL, Royal Oak, MI 48073
Phone
(248) 551-3000
Enumerated
Jun 5, 2022
Record last updated
Aug 4, 2025
Medicare enrollment
Enrolled (PECOS I20250617001465); 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.
Download card Updates feed

Also registered at 3535 W 13 Mile RD Ste LL

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

  1. Nishant Aggarwal, MDGastroenterology Physician1497327266
  2. Nathanial BartosekInternal Medicine Physician1548831381
  3. Apoorva Bhan, DOPediatrics Physician1790422673
  4. Paul ChittickInfectious Disease Physician1578778775
  5. Linda Dillon, M.D.Internal Medicine Physician1891919502
  6. Kalli Jo Doyle, MDPediatrics Physician1417916818

Verify Lauren Anne Workman 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 5101028668
    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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

91% fewer Medicare Part D claims than the average internal medicine physician in 2024

277 Medicare Part D claims for 54 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims.

  1. Lauren Workman277
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium17 claims
  2. Rosuvastatin Calcium14 claims
  3. Lisinopril13 claims
  4. Losartan Potassium12 claims
  5. Tizanidine Hcl12 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: $128.48

1 payment: food and beverage; the largest payer was Inari Medical, 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.

  1. Lauren Workman$128.48
  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. Oakwood Ambulatory LLCBelleville, MI

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

Lauren Anne Workman among 5,735 internal medicine physician records in Michigan

Lauren Anne Workman, 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 2022, is newer than 87% of them.

  • NPI issued2022 · 87% of these records are older, 10% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 62% of these records are
  • Graduated2022 · 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).

218 internal medicine physician records list a practice address in Royal Oak

They are 218 of the 3,887 NPPES records with a practice address in Royal Oak, and 5,735 internal medicine physician records in Michigan.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Shanu Agarwal, MDRoyal Oak, MI 480731992759302
  2. Michael BarnesRoyal Oak, MI 480731588633176
  3. Robin Ehrmann, MDRoyal Oak, MI 480731992788541
  4. Ali Farhat, MDRoyal Oak, MI 480731467411363
  5. Brent FullerRoyal Oak, MI 480731871552646
  6. Joseph James, MDRoyal Oak, MI 480731154398196
  7. Frederick Karoub, MDRoyal Oak, MI 480731679554562
  8. Carl Karoub, MDRoyal Oak, MI 480731063494706

Common questions

What is Lauren Anne Workman, DO's NPI number?

Lauren Anne Workman, DO's National Provider Identifier (NPI) is 1194454330, issued on Jun 5, 2022. An NPI identifies a provider in billing; it is not a license.

Where is Lauren Anne Workman, DO located?

The NPPES record lists a practice address at 3535 W 13 Mile RD Ste LL, Royal Oak, MI, 48073. Phone: (248) 551-3000. Providers update this record themselves, so call before visiting.

How can I verify Lauren Anne Workman, DO's license?

NPPES lists Michigan license number 5101028668, 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 Lauren Anne Workman, DO prescribe under Medicare Part D?

In 2024, Lauren Anne Workman, DO had 277 Medicare Part D claims for 54 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.