Doctor profile · Federal record

Dr. David Lang, MD

Family Medicine Physician (CMS: Family Practice) · Family Medicine Physician · Family Medicine Physician · Green Bay, WI

  • NPI 1174515357
  • Accepts Medicare
  • 34 yrs in practice
  • Licensed in 3 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 4 locations .

NPPES Updated May 11, 2026
Primary practice
3263 Eaton RD
Green Bay, WI 543116830
(920) 433-6000
fax (920) 433-6009
Additional location
1630 Commanche Ave
Green Bay, WI 543135753
(920) 430-4700
Additional location
2820 Roosevelt RD
Marinette, WI 541433834
(715) 735-5225
fax (715) 735-5388
Show 1 more location
Additional location
440 Woodward Ave
Iron Mountain, MI 498014631
(906) 776-9040
fax (906) 774-5950
Mailing address
Po Box 22487
Green Bay, WI 543052487

Credentials & registration

NPPES · NUCC
NPI registered
August 2005 — 21 yrs on file
Profile last updated
November 3, 2023
Year of graduation
1992 — 34 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State licenses (3)
Wisconsin #34640-20 · Michigan #4301508402 · Minnesota #36341

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1174515357. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
174
Distinct HCPCS
3
Medicare allowed
$16,630
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 122 121 $86
99214 Established patient office or other outpatient visit, 30-39 minutes 39 39 $121
99203 New patient office or other outpatient visit, 30-44 minutes 13 13 $108

In context: peer comparison

Among 23 peers in Green Bay Family Medicine Physician, average services per provider: 90. This provider delivers 1.9× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
527
Patients
503
Total drug cost
$4,288
Drug Type Claims Patients Total cost
Prednisone Generic 138 134 $273
Nitrofurantoin Mono-Macro (Nitrofurantoin Monohyd/M-Cryst) Brand 67 66 $1,062
Doxycycline Hyclate Generic 65 65 $732
Cephalexin Generic 50 49 $272
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 39 38 $379
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 28 26 $726
Amoxicillin Generic 19 19 $47
Sulfamethoxazole-Trimethoprim (Sulfamethoxazole/Trimethoprim) Brand 19 19 $78
Tobramycin Generic 17 17 $80
Ciprofloxacin Hcl Generic 16 16 $94

Frequently asked questions

Auto-generated from federal data
What is Dr. David Lang's medical specialty?
Dr. David Lang practices Family Medicine Physician in Green Bay, WI.
Where does Dr. David Lang practice?
Dr. David Lang practices at 3263 Eaton RD, Green Bay, WI 543116830. Office phone: 9204336000.
What is Dr. David Lang's NPI?
Dr. David Lang's National Provider Identifier (NPI) is 1174515357, issued by NPPES.
Does Dr. David Lang accept Medicare assignment?
Yes. Dr. David Lang accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. David Lang commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214); New patient office or other outpatient visit (HCPCS 99203). Source: CMS Medicare Physician & Other Practitioners file.