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DR. JAMES G UNDERHILL PSY.D.
NPI 1710201611
Psychologist - Prescribing (Medical) in Alexandria, LA

Active since March 22, 2010PECOS EnrolledAccepts Medicare Assignment
217 ANSLEY BLVD, ALEXANDRIA, LA 71303(318) 545-7255 Get Directions Write a Review

NPPES record last updated: April 29, 2022. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Apr 29, 2022, Oct 21, 2021 (2 updates tracked since 2021).

About Dr. James G Underhill Psy.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. JAMES G UNDERHILL PSY.D. (NPI 1710201611) is an individual prescribing (medical) provider in Alexandria, Louisiana, licensed in Louisiana (MP.000041) and active in the NPI registry since March 2010. He is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Other (2008).

NPPES Registry Identity

NPI1710201611
Entity TypeIndividualMale
Primary Taxonomy103TP0016X
Provider Legal NameDR. JAMES G UNDERHILLCredential: PSY.D.
Location Address217 ANSLEY BLVDAlexandria, LA 71303-3782
Mailing AddressPo Box 204181Austin, TX 78720-4181 · (512) 484-0574 · Fax (512) 879-1889
Phone(318) 545-7255
Sole ProprietorNo
Medical School CMSOtherGraduated 2008
Enumeration DateMarch 22, 2010
Last NPPES UpdateApril 29, 20222 updates tracked since enumeration
NPPES CertifiedApril 29, 2022
✔ NPI 1710201611 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 4

★ Primary SpecialtyPsychologist · Prescribing (Medical)Behavioral Health & Social Service Providers
Taxonomy Code103TP0016X
License✔ Licensed in LA · MP.000041
Definition
A licensed, doctoral-level psychologist authorized to prescribe and has undergone specialized education and training in preparation for prescriptive practice and has passed an examination accepted by the state board of psychology relevant to establishing competence for prescribing, and has received from the state board of psychology a current certificate granting prescriptive authority, which has not been revoked or suspended.
Also ListedClinical NeuropsychologistTaxonomy 103G00000X · License 34475 (TX)
Also ListedPsychologist · ClinicalTaxonomy 103TC0700X · License 34475 (TX)
Also ListedPsychologist · RehabilitationTaxonomy 103TR0400X · License 34475 (TX)
217 ANSLEY BLVD, Alexandria, LA 71303
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Secondary Practice Locations 2

Location 12600 N Highway 190 Ste 4Covington, LA 70433-9068 · Phone (985) 400-5479
Location 21702A W 6th StAustin, TX 78703-4771 · Phone (512) 484-0574 · Fax (512) 879-1889

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Louisiana, Blue Cross and Blue Shield of Texas, HMO Louisiana.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. James G Underhill Psy.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID9537299318
PECOS Enrollment IDI20220920003015
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show James Underhill reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Lauren D Stokes Phd Mp LLC
0.3 mi
Prescribing (Medical)
140 WINDERMERE BLVD STE A
Alexandria, LA 71303
  • Reassigned Medicare billing, Louisiana enrollment
  • Medicare enrollment name: Lauren D. Stokes, Ph.D., M.P., LLC
  • 6 clinicians in this Medicare group
NPI 1467034587 (785) 979-2667

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Other Providers at the Same Location NPPES 2

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. LAKYN M BOONE PH.D.
Student in an Organized Health Care Education/Training Program
217 ANSLEY BLVD
ALEXANDRIA, LA 71303
Rapides Parish (318) 422-5743
CYNTHIA CAYER LPC
Counselor (Professional)
217 ANSLEY BLVD
ALEXANDRIA, LA 71303
Rapides Parish (318) 545-7255

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is James Underhill's NPI number?

The NPI number for James Underhill is 1710201611. It was assigned to this individual provider in the NPPES registry on March 22, 2010.

Where is James Underhill located?

James Underhill practices at 217 Ansley Blvd, Alexandria, LA 71303. The listed phone number is (318) 545-7255.

What is James Underhill's specialty?

The primary specialty registered for this NPI is Psychologist, specializing in Prescribing (Medical), with taxonomy code 103TP0016X.

Is James Underhill enrolled in Medicare?

Yes. James Underhill is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for James Underhill's services?

According to the CMS Revalidation Reassignment List (October 2026 release), James Underhill reassigns Medicare benefits to Lauren D Stokes Phd Mp LLC (Alexandria, LA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for James Underhill's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does James Underhill accept?

Health plans from Blue Cross and Blue Shield of Louisiana, Blue Cross and Blue Shield of Texas and HMO Louisiana list James Underhill as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for James Underhill was last updated on April 29, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.