NPPES file of Aug 9, 2026

William George Blaker, MSN

Psychiatric/Mental Health Nurse Practitioner · Maryville, TN

William George Blaker, MSN is a psychiatric/mental health nurse practitioner with a practice address in Maryville, Tennessee, and NPI 1568086288, issued on May 29, 2020. Check the license (Tennessee 171293, as entered in NPPES) with the Tennessee board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1568086288
Name
William George Blaker
Credential
MSN
Primary taxonomy
Psychiatric/Mental Health Nurse Practitioner 363LP0808X
License number
171293 TN
Self-reported in NPPES; status is on the state search
Practice location
1551 Cavalier Dr, Maryville, TN 37803
Phone
(865) 654-8868
Enumerated
May 29, 2020
Record last updated
May 29, 2020 (not updated in 6 years: call before relying on the address or phone)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Verify William George Blaker in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Tennessee board licenses this profession
    Search for license 171293
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Tennessee license search

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93% fewer Medicare Part D claims than the average psychiatric/mental health nurse practitioner in 2024

63 Medicare Part D claims, against an average of 906 among the 30,717 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims.

  1. William Blaker63
  2. Specialty average906

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.

William George Blaker among 1,611 psychiatric/mental health nurse practitioner records in Tennessee

William George Blaker, MSN is one of 1,611 psychiatric/mental health nurse practitioner records with a practice address in Tennessee. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 47% of them.

  • NPI issued2020 · 47% of these records are older, 46% newer
  • In a Medicare fileYes · 74% of these records are
  • In the CMS Doctors and Clinicians fileNo · 58% of these records are
  • Record last updated2020 · 25% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LP0808X and a Tennessee practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

20 psychiatric/mental health nurse practitioner records list a practice address in Maryville

They are 20 of the 1,317 NPPES records with a practice address in Maryville, and 1,611 psychiatric/mental health nurse practitioner records in Tennessee.

The 8 psychiatric/mental health nurse practitioner records with the nearest ZIP codes

  1. Katherine Ramos, PMHNP-BCMaryville, TN 378031245128230
  2. Michael Turner, PHD, PMHNP-BCMaryville, TN 378031770292666
  3. Caroline Arceri, PMHNPMaryville, TN 378041598281040
  4. Teresa Arnold, APRNMaryville, TN 378041669105169
  5. Katherine Bentley-Knowles, APRNMaryville, TN 378041285832725
  6. Jamie Bosnjak, APRNMaryville, TN 378041538942446
  7. Amber Daniels, PMHNP-BCMaryville, TN 378041952156887
  8. Karen Foster, APRNMaryville, TN 378041285195636

Common questions

What is William George Blaker, MSN's NPI number?

William George Blaker, MSN's National Provider Identifier (NPI) is 1568086288, issued on May 29, 2020. An NPI identifies a provider in billing; it is not a license.

Where is William George Blaker, MSN located?

The NPPES record lists a practice address at 1551 Cavalier Dr, Maryville, TN, 37803. Phone: (865) 654-8868. Providers update this record themselves, so call before visiting.

How can I verify William George Blaker, MSN's license?

NPPES lists Tennessee license number 171293, as entered by the provider. Search the Tennessee board that licenses this profession; the NPPES record confirms identity only.

How much does William George Blaker, MSN prescribe under Medicare Part D?

In 2024, William George Blaker, MSN had 63 Medicare Part D claims; the average among psychiatric/mental health nurse practitioner prescribers was 906. 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.