Mark S. Lang, MD
Orthopaedic Surgery Physician · Sheboygan, WI
Mark S. Lang, MD is an orthopaedic surgery physician with a practice address in Sheboygan, Wisconsin, and NPI 1952418402, issued on Aug 23, 2006. Check the license (Wisconsin 39091, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Mark S. Lang
- Credential
- MD
- Primary taxonomy
- Orthopaedic Surgery Physician 207X00000X
- License number
- 39091 WI
Self-reported in NPPES; status is on the state search - Practice location
- 3400 Union Ave, Sheboygan, WI 53081
- Phone
- (920) 828-2530
- Enumerated
- Aug 23, 2006
- Record last updated
- Apr 7, 2025
- Fax
- (920) 828-2535
- Medicaid ID
- 34068500 WI
- Medicare enrollment
- Enrolled (PECOS I20100612000088); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest orthopaedic surgery physician records → All 656 in Wisconsin → Look up another NPI →
Also registered at 3400 Union Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Tyler Beranek, D.O.Emergency Medicine Physician1134532435
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Verify Mark S. Lang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 39091Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
10% fewer Medicare Part D claims than the average orthopaedic surgery physician in 2024
313 Medicare Part D claims for 128 beneficiaries, against an average of 346 among the 16,516 providers of this specialty who prescribed in Part D. 164 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen120 claims
- Meloxicam59 claims
- Tramadol Hcl31 claims
- Naproxen22 claims
- Mupirocin18 claims
- Oxycodone-Acetaminophen11 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: $701.60
3 payments; by number, the most common kind was food and beverage; the largest payer was Stryker Corporation. The 15,003 providers of this specialty with any payment received $23,022.89 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.
Bills Medicare through one group practice
- Aurora Medical Group, Inc.Milwaukee, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mark S. Lang among 656 orthopaedic surgery physician records in Wisconsin
Mark S. Lang, MD is one of 656 orthopaedic surgery physician records with a practice address in Wisconsin. 71% 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 15% of them.
- NPI issued2006 · 15% of these records are older, 41% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileYes · 61% of these records are
- Graduated1996 · median 2006 among the 401 with a school on file
- Record last updated2025 · 50% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207X00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Orthopaedic Surgery Physician providers in Wisconsin
There are 656 orthopaedic surgery physician records in Wisconsin.
All 656 in Wisconsin → Every provider in Sheboygan → Orthopaedic Surgery Physician nationwide →
The 8 orthopaedic surgery physician records with the nearest ZIP codes
- Douglas Fehrman, MDSheboygan, WI 530811083729149
- Kevin Gassner, MDSheboygan, WI 530811275521965
- Scott Glaeser, MDSheboygan, WI 530811346238011
- Donald Gore, MDSheboygan, WI 530811366430050
- David HousermanSheboygan, WI 530811205394996
- John Livermore, MDSheboygan, WI 530811801903356
- Joseph McCormick, M.D.Sheboygan, WI 530811265503882
- Jonathan Pond, MDSheboygan, WI 530811215044524
Common questions
What is Mark S. Lang, MD's NPI number?
Mark S. Lang, MD's National Provider Identifier (NPI) is 1952418402, issued on Aug 23, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mark S. Lang, MD located?
The NPPES record lists a practice address at 3400 Union Ave, Sheboygan, WI, 53081. Phone: (920) 828-2530. Providers update this record themselves, so call before visiting.
How can I verify Mark S. Lang, MD's license?
NPPES lists Wisconsin license number 39091, as entered by the provider. Search the Wisconsin Medical Examining Board at https://dsps.wi.gov/Pages/BoardsCouncils/MEB/Default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Mark S. Lang, MD prescribe under Medicare Part D?
In 2024, Mark S. Lang, MD had 313 Medicare Part D claims for 128 beneficiaries; the average among orthopaedic surgery physician prescribers was 346. 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.