Karen Kay Tumblin, NURSE PRACTITIONER
Nurse Practitioner · Bay City, MI
Karen Kay Tumblin, NURSE PRACTITIONER is a nurse practitioner with a practice address in Bay City, Michigan, and NPI 1235604679, issued on Oct 12, 2018. Check the license (Michigan 4704254478, as entered in NPPES) with the Michigan board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Karen Kay Tumblin
- Credential
- NURSE PRACTITIONER
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License number
- 4704254478 MI
Self-reported in NPPES; status is on the state search - Practice location
- 200 S Wenona St, Bay City, MI 48706
- Phone
- (989) 893-8116
- Enumerated
- Oct 12, 2018
- Record last updated
- Oct 12, 2018 (not updated in 8 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20190409001936); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest nurse practitioner records → All 3,574 in Michigan → Look up another NPI →
Also registered at 200 S Wenona St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Karen Kay Tumblin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Michigan board licenses this profession
Search for license 4704254478Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
One hospital affiliation
- Mclaren Bay RegionBay City, MI · Acute Care Hospitals1 of 5 stars
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Karen Kay Tumblin among 3,574 nurse practitioner records in Michigan
Karen Kay Tumblin, NURSE PRACTITIONER is one of 3,574 nurse practitioner records with a practice address in Michigan. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 58% of them.
- NPI issued2018 · 58% of these records are older, 35% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileYes · 56% of these records are
- Graduated2018 · median 2017 among the 1,983 with a school on file
- Record last updated2018 · 52% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
27 nurse practitioner records list a practice address in Bay City
They are 27 of the 2,380 NPPES records with a practice address in Bay City, and 3,574 nurse practitioner records in Michigan.
All 3,574 in Michigan → Every provider in Bay City → Nurse Practitioner nationwide →
The 8 nurse practitioner records with the nearest ZIP codes
- Madison Cotton, MSN, APRN, FNP-CBay City, MI 487061740161991
- Jennifer Datzko, NPBay City, MI 487061568005569
- Kristy DzurkaBay City, MI 487061134731326
- Erin Koepplinger, FNP-CBay City, MI 487061841629011
- Jessica Lauria, NPBay City, MI 487061801370473
- Alyne McCann, FNPBay City, MI 487061871524652
- Wendy Rose, NPBay City, MI 487061275894032
- Bridget RossBay City, MI 487061982012308
Common questions
What is Karen Kay Tumblin, NURSE PRACTITIONER's NPI number?
Karen Kay Tumblin, NURSE PRACTITIONER's National Provider Identifier (NPI) is 1235604679, issued on Oct 12, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Karen Kay Tumblin, NURSE PRACTITIONER located?
The NPPES record lists a practice address at 200 S Wenona St, Bay City, MI, 48706. Phone: (989) 893-8116. Providers update this record themselves, so call before visiting.
How can I verify Karen Kay Tumblin, NURSE PRACTITIONER's license?
NPPES lists Michigan license number 4704254478, as entered by the provider. Search the Michigan board that licenses this profession; the NPPES record confirms identity 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.