Keith Westerfield, PHD, MP
Prescribing (Medical) Psychologist · Zachary, LA
Keith Westerfield, PHD, MP is a prescribing (medical) psychologist with a practice address in Zachary, Louisiana, and NPI 1376866848, issued on Mar 11, 2010. Check the license (Louisiana 301066, as entered in NPPES) with the Louisiana board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Keith Westerfield
- Credential
- PHD, MP
- Primary taxonomy
- Prescribing (Medical) Psychologist 103TP0016X
- License numbers
- 301066 LA
013247 NY
Self-reported in NPPES; status is on the state search - Practice location
- 6351 Main St, Zachary, LA 70791
- Phone
- (225) 306-2055
- Enumerated
- Mar 11, 2010
- Record last updated
- Oct 11, 2016 (not updated in 10 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20190401001041); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest prescribing (medical) psychologist records → All 74 in Louisiana → Look up another NPI →
Also registered at 6351 Main St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Lara Aguirre, DNP, APRNFamily Nurse Practitioner1366071318
- Anna Ardoin, FNP-CFamily Nurse Practitioner1750166229
- Lisa Broadnax, MEDAddiction (Substance Use Disorder) Counselor1508360777
- Khuong Cheuk, D.D.S.General Practice Dentistry1225374481
- Mary Clavelle, RD, LDNRegistered Dietitian1750721403
- John Fidanza, PSY.D.Prescribing (Medical) Psychologist1902801392
Verify Keith Westerfield in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Louisiana board licenses this profession
Search for license 301066Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
11% more Medicare Part D claims than the average prescribing (medical) psychologist in 2024
1,005 Medicare Part D claims for 75 beneficiaries, against an average of 905 among the 106 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims.
Most prescribed
- Haloperidol81 claims
- Sertraline Hcl81 claims
- Benztropine Mesylate59 claims
- Quetiapine Fumarate54 claims
- Aripiprazole51 claims
- Invega Sustenna39 claims
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.
Bills Medicare through one group practice
- Northeast Delta Human Services AuthorityMonroe, LA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Keith Westerfield among 74 prescribing (medical) psychologist records in Louisiana
Keith Westerfield, PHD, MP is one of 74 prescribing (medical) psychologist records with a practice address in Louisiana. 66% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 66% of them.
- NPI issued2010 · 66% of these records are older, 27% newer
- In a Medicare fileYes · 66% of these records are
- In the CMS Doctors and Clinicians fileYes · 46% of these records are
- Graduated1995 · median 2001 among the 34 with a school on file
- Record last updated2016 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 103TP0016X and a Louisiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Prescribing (Medical) Psychologist providers in Louisiana
There are 74 prescribing (medical) psychologist records in Louisiana.
All 74 in Louisiana → Every provider in Zachary → Prescribing (Medical) Psychologist nationwide →
The 8 prescribing (medical) psychologist records with the nearest ZIP codes
- John Fidanza, PSY.D.Zachary, LA 707911902801392
- Maxine Campbell-Flint, PHD, MPBaton Rouge, LA 708021093860371
- Karen Speier, PHD, MPBaton Rouge, LA 708061194877811
- Cherri Penton, PH.D. , M.P.Baton Rouge, LA 708081578696555
- Seth Kunen, PH.D., PSY.D.Baton Rouge, LA 708091073689378
- Darlyne Nemeth, PH.D.Baton Rouge, LA 708091144380270
- Robert Nevels, PH.D.Baton Rouge, LA 708091548476880
- Kelly Ray, PHD, MPBaton Rouge, LA 708091437159639
Common questions
What is Keith Westerfield, PHD, MP's NPI number?
Keith Westerfield, PHD, MP's National Provider Identifier (NPI) is 1376866848, issued on Mar 11, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Keith Westerfield, PHD, MP located?
The NPPES record lists a practice address at 6351 Main St, Zachary, LA, 70791. Phone: (225) 306-2055. Providers update this record themselves, so call before visiting.
How can I verify Keith Westerfield, PHD, MP's license?
NPPES lists Louisiana license number 301066, as entered by the provider. Search the Louisiana board that licenses this profession; the NPPES record confirms identity only.
How much does Keith Westerfield, PHD, MP prescribe under Medicare Part D?
In 2024, Keith Westerfield, PHD, MP had 1,005 Medicare Part D claims for 75 beneficiaries; the average among prescribing (medical) psychologist prescribers was 905. 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.