Ryan C. Johnson, MD
Anesthesiology Physician · Green Bay, WI
Ryan C. Johnson, MD is an anesthesiology physician with a practice address in Green Bay, Wisconsin, and NPI 1558334276, issued on Feb 13, 2006. Check the license on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Ryan C. Johnson
- Credential
- MD
- Primary taxonomy
- Anesthesiology Physician 207L00000X
- License number
- 47685 MN
Self-reported in NPPES; status is on the state search - Practice location
- 2845 Greenbrier RD, Green Bay, WI 54311
- Phone
- (920) 288-3388
- Enumerated
- Feb 13, 2006
- Record last updated
- Apr 28, 2026
- Fax
- (920) 288-4863
- Medicaid IDs
- 35289300 WI
697632800 MN - Medicare enrollment
- Enrolled (PECOS I20080715000128); accepts Medicare assignment
- Medical or professional school
- University Of Wisconsin School Of Medicine, 2004
- Entity
- Type 1 · individual
8 nearest anesthesiology physician records → All 1,313 in Wisconsin → Look up another NPI →
Also registered at 2845 Greenbrier RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jade Abts, NPNurse Practitioner1992293708
- Ian AdamsonCertified Registered Nurse Anesthetist1184981532
- Kerry Ahrens, M.D.Emergency Medicine Physician1639497621
- Andrea Akpoguma, M.D.Hospitalist Physician1508091117
- Kirsten Akpoguma, CRNACertified Registered Nurse Anesthetist1417601725
- Valerie Albers, A.P.N.P.Nurse Practitioner1396015830
Verify Ryan C. Johnson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining BoardCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $23.07
1 payment: food and beverage; the largest payer was Johnson & Johnson Surgical Vision, Inc. The 17,774 providers of this specialty with any payment received $669.59 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
- Baycare Clinic LLPGreen Bay, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ryan C. Johnson among 1,313 anesthesiology physician records in Wisconsin
Ryan C. Johnson, MD is one of 1,313 anesthesiology physician records with a practice address in Wisconsin. 72% 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 20% of them.
- NPI issued2006 · 20% of these records are older, 49% newer
- In a Medicare fileYes · 72% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2004 · median 2006 among the 872 with a school on file
- Record last updated2026 · 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 207L00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
55 anesthesiology physician records list a practice address in Green Bay
They are 55 of the 4,619 NPPES records with a practice address in Green Bay, and 1,313 anesthesiology physician records in Wisconsin.
All 1,313 in Wisconsin → Every provider in Green Bay → Anesthesiology Physician nationwide →
The 8 anesthesiology physician records with the nearest ZIP codes
- David Barbara, MDGreen Bay, WI 543111538322631
- Robert Bjoraker, MDGreen Bay, WI 543111497783641
- Stephen Brada, MDGreen Bay, WI 543111164450334
- Timothy Cooper, MDGreen Bay, WI 543111033192943
- Shane Gillespie, D.O.Green Bay, WI 543111477757532
- Robert Griesser, MDGreen Bay, WI 543111669400883
- Scott Hodgdon, MDGreen Bay, WI 543111699703116
- Stephen Janquart, MDGreen Bay, WI 543111891723565
Common questions
What is Ryan C. Johnson, MD's NPI number?
Ryan C. Johnson, MD's National Provider Identifier (NPI) is 1558334276, issued on Feb 13, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Ryan C. Johnson, MD located?
The NPPES record lists a practice address at 2845 Greenbrier RD, Green Bay, WI, 54311. Phone: (920) 288-3388. Providers update this record themselves, so call before visiting.
How can I verify Ryan C. Johnson, MD's license?
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.
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.