Joan M. Crennan, MD
Internal Medicine Physician · Appleton, WI
Joan M. Crennan, MD is an internal medicine physician with a practice address in Appleton, Wisconsin, and NPI 1679666952, issued on Oct 1, 2006. Check the license (Wisconsin 39221, as entered in NPPES) on the Wisconsin Medical Examining Board; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Joan M. Crennan
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 39221 WI
Self-reported in NPPES; status is on the state search - Practice location
- 1665 N Mccarthy RD Apt 10, Appleton, WI 54913
- Phone
- (505) 321-4094
- Enumerated
- Oct 1, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
Verify Joan M. Crennan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 39221Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
39 internal medicine physician records list a practice address in Appleton
They are 39 of the 3,249 NPPES records with a practice address in Appleton, and 2,078 internal medicine physician records in Wisconsin. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 39 in Appleton → All 2,078 in Wisconsin → Every provider in Appleton →
Other internal medicine physician records in Wisconsin
- Sheetal Aatrai, MDMarshfield, WI1417568965
- Khalid Abdelgadir, MDManitowoc, WI1407433295
- Mesfin Abdissa, MDMilwaukee, WI1376579417
- Anas Abed, MDMadison, WI1659002566
- Margaret Abel, MDRhinelander, WI1477590487
- Mesfin Abera, M.D.Beaver Dam, WI1972852390
- Vidthya Abraham, M.D.Madison, WI1861836058
- Ismael Abu Limon, MDGreenfield, WI1467945543
- Amjed Abu Muhanna, MDMarinette, WI1861514135
- Satish Achanti, MDAppleton, WI1982711198
Common questions
What is Joan M. Crennan, MD's NPI number?
Joan M. Crennan, MD's National Provider Identifier (NPI) is 1679666952, issued on Oct 1, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Joan M. Crennan, MD located?
The NPPES record lists a practice address at 1665 N Mccarthy RD Apt 10, Appleton, WI, 54913. Phone: (505) 321-4094. Providers update this record themselves, so call before visiting.
How can I verify Joan M. Crennan, MD's license?
NPPES lists Wisconsin license number 39221, 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.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.