Doctor profile · Federal record

Dr. Mark Lang, MD

Orthopaedic Surgery Physician (CMS: Orthopedic Surgery) · Sheboygan, WI

  • NPI 1952418402
  • Accepts Medicare
  • 30 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3400 Union Ave
Sheboygan, WI 530818426
(920) 828-2530
fax (920) 828-2535
Mailing address
Po Box 735044
Chicago, IL 606735044

Credentials & registration

NPPES · NUCC
NPI registered
August 2006 — 20 yrs on file
Profile last updated
April 7, 2025
Year of graduation
1996 — 30 yrs since
Specialty taxonomy
207X00000X — NUCC code
State license (1)
Wisconsin #39091
Medicaid
WI #34068500

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1952418402. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,351
Distinct HCPCS
10
Medicare allowed
$65,541
HCPCS Description Services Patients Avg allowed
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg 834 60 $1
99213 Established patient office or other outpatient visit, 20-29 minutes 120 98 $86
20610 Aspiration and/or injection of fluid from large joint 82 56 $69
73560 X-ray of knee, 1-2 views 68 41 $33
99212 Established patient office or other outpatient visit, 10-19 minutes 67 53 $54
99214 Established patient office or other outpatient visit, 30-39 minutes 53 50 $123
73502 X-ray of hip, 2-3 views 35 25 $45
99203 New patient office or other outpatient visit, 30-44 minutes 31 31 $106
73564 X-ray of knee, 4 or more views 25 21 $45
27447 Replacement of knee joint, both sides of knee 24 23 $1,235

In context: peer comparison

Among 4 peers in this city , average services per provider: 82. This provider delivers 16× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$702
Transactions
3
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Stryker Corporation 3 $701.60

By nature of payment

Travel and Lodging
$512
Food and Beverage
$190

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
260
Patients
182
Total drug cost
$1,703
Drug Type Claims Patients Total cost
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 113 80 $1,060
Meloxicam Generic 56 44 $176
Tramadol Hcl Generic 34 25 $101
Naproxen Generic 27 20 $112
Oxycodone-Acetaminophen (Oxycodone Hcl/Acetaminophen) Brand 16 0 $166
Mupirocin Generic 14 13 $88

Frequently asked questions

Auto-generated from federal data
What is Dr. Mark Lang's medical specialty?
Dr. Mark Lang practices Orthopaedic Surgery Physician in Sheboygan, WI.
Where does Dr. Mark Lang practice?
Dr. Mark Lang practices at 3400 Union Ave, Sheboygan, WI 530818426. Office phone: 9208282530.
What is Dr. Mark Lang's NPI?
Dr. Mark Lang's National Provider Identifier (NPI) is 1952418402, issued by NPPES.
Does Dr. Mark Lang accept Medicare assignment?
Yes. Dr. Mark Lang accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mark Lang commonly perform?
Top Medicare-reported procedures in 2023: Injection, triamcinolone acetonide, not otherwise specified, 10 mg (HCPCS J3301); Established patient office or other outpatient visit (HCPCS 99213); Aspiration and/or injection of fluid from large joint (HCPCS 20610). Source: CMS Medicare Physician & Other Practitioners file.