Gary L. Knudson
Clinical Social Worker · Alpena, MI
Gary L. Knudson is a clinical social worker with a practice address in Alpena, Michigan, and NPI 1023163144, issued on Jan 25, 2007. Check the license (Michigan 6801066573, as entered in NPPES) with the Michigan board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Gary L. Knudson
- Primary taxonomy
- Clinical Social Worker 1041C0700X
- License number
- 6801066573 MI
Self-reported in NPPES; status is on the state search - Practice location
- 1501 W Chisholm St, Alpena, MI 49707
- Phone
- (989) 356-7390
- Enumerated
- Jan 25, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (989) 356-8013
- Entity
- Type 1 · individual
8 nearest clinical social worker records → All 17,644 in Michigan → Look up another NPI →
Also registered at 1501 W Chisholm St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Gary L. Knudson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Michigan board licenses this profession
Search for license 6801066573Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Gary L. Knudson among 17,644 clinical social worker records in Michigan
Gary L. Knudson is one of 17,644 clinical social worker records with a practice address in Michigan. 14% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2007, is newer than 9% of them.
- NPI issued2007 · 9% of these records are older, 82% newer
- In a Medicare fileNo · 14% of these records are
- In the CMS Doctors and Clinicians fileNo · 20% of these records are
- Record last updated2007 · 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 1041C0700X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
66 clinical social worker records list a practice address in Alpena
They are 66 of the 735 NPPES records with a practice address in Alpena, and 17,644 clinical social worker records in Michigan. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 17,644 in Michigan → Every provider in Alpena → Clinical Social Worker nationwide →
The 8 clinical social worker records with the nearest ZIP codes
- Vincent Call, LMSWAlpena, MI 497071205001864
- Phyllis Colagross, LMSWAlpena, MI 497071518263276
- Renee Curry, LMSWAlpena, MI 497071255482741
- Renee Diener, LMSWAlpena, MI 497071205082351
- Kelly Kendziorski, MSWAlpena, MI 497071518117944
- Dorothy Kent, LMSWAlpena, MI 497071578688289
- Larry Lacross, LLMSWAlpena, MI 497071245475417
- Marie Mattson, LMSWAlpena, MI 497071528195385
Common questions
What is Gary L. Knudson's NPI number?
Gary L. Knudson's National Provider Identifier (NPI) is 1023163144, issued on Jan 25, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Gary L. Knudson located?
The NPPES record lists a practice address at 1501 W Chisholm St, Alpena, MI, 49707. Phone: (989) 356-7390. Providers update this record themselves, so call before visiting.
How can I verify Gary L. Knudson's license?
NPPES lists Michigan license number 6801066573, 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. 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.