David G. Lang, MD
Family Medicine Physician · Green Bay, WI
David G. Lang, MD is a family medicine physician with a practice address in Green Bay, Wisconsin, and NPI 1174515357, issued on Aug 16, 2005. Check the license (Wisconsin 34640-20, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- David G. Lang
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License numbers
- 34640-20 WI
4301508402 MI
36341 MN
Self-reported in NPPES; status is on the state search - Practice location
- 3263 Eaton RD, Green Bay, WI 54311
- Phone
- (920) 433-6000
- Enumerated
- Aug 16, 2005
- Record last updated
- Nov 3, 2023
- Fax
- (920) 433-6009
- Medicare enrollment
- Enrolled (PECOS I20110131000760); accepts Medicare assignment
- Medical or professional school
- University Of Wisconsin School Of Medicine, 1992
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 3,765 in Wisconsin → Look up another NPI →
Also registered at 3263 Eaton RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Eric Adams, PAPhysician Assistant1528445087
- Isabelle Amigues, MDRheumatology Physician1588950018
- Mallory Baerenwald, MS,RD,CDRegistered Dietitian1548804370
- Lissa Balison, MSE, LPCProfessional Counselor1235462623
- Mindy Benz, DPTPhysical Therapist1508152547
- Brandon Boehm, MDFamily Medicine Physician1619294576
Verify David G. Lang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 34640-20Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
79% fewer Medicare Part D claims than the average family medicine physician in 2024
743 Medicare Part D claims for 550 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 11 claims were for opioids.
Most prescribed
- Prednisone116 claims
- Nitrofurantoin Mono-Macro84 claims
- Doxycycline Hyclate74 claims
- Albuterol Sulfate Hfa43 claims
- Cephalexin42 claims
- Amoxicillin-Clavulanate Potass35 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.
Bills Medicare through one group practice
- Bellin Memorial Hospital IncGreen Bay, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
David G. Lang among 3,765 family medicine physician records in Wisconsin
David G. Lang, MD is one of 3,765 family medicine physician records with a practice address in Wisconsin. 75% 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 · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated1992 · median 2007 among the 2,347 with a school on file
- Record last updated2023 · 56% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
94 family medicine physician records list a practice address in Green Bay
They are 94 of the 4,619 NPPES records with a practice address in Green Bay, and 3,765 family medicine physician records in Wisconsin.
All 3,765 in Wisconsin → Every provider in Green Bay → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Suzanne Barnes, DOGreen Bay, WI 543111700894433
- Sabeeha Bedi, MDGreen Bay, WI 543111982688842
- Thomas Boyd, MDGreen Bay, WI 543111396729166
- Timothy Fagre, MDGreen Bay, WI 543111093821829
- Barbara Franck, MDGreen Bay, WI 543111043201403
- Philip Goolsby, MDGreen Bay, WI 543111700991718
- Steven Halsey, MDGreen Bay, WI 543111104801596
- Jesse Leahy, MDGreen Bay, WI 543111700819042
Common questions
What is David G. Lang, MD's NPI number?
David G. Lang, MD's National Provider Identifier (NPI) is 1174515357, issued on Aug 16, 2005. An NPI identifies a provider in billing; it is not a license.
Where is David G. Lang, MD located?
The NPPES record lists a practice address at 3263 Eaton RD, Green Bay, WI, 54311. Phone: (920) 433-6000. Providers update this record themselves, so call before visiting.
How can I verify David G. Lang, MD's license?
NPPES lists Wisconsin license number 34640-20, 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 David G. Lang, MD prescribe under Medicare Part D?
In 2024, David G. Lang, MD had 743 Medicare Part D claims for 550 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.