NPPES file of Aug 9, 2026

Marnell Makela Holtgraves, PH.D.

Psychologist · New Castle, IN

Marnell Makela Holtgraves, PH.D. is a psychologist with a practice address in New Castle, Indiana, and NPI 1114010766, issued on Oct 2, 2006. Check the license (Indiana 20040702A, as entered in NPPES) with the Indiana board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

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

NPPES recordNPPES file of Aug 9, 2026
1114010766
Name
Marnell Makela Holtgraves
Credential
PH.D.
Primary taxonomy
Psychologist 103T00000X
License number
20040702A IN
Self-reported in NPPES; status is on the state search
Practice location
212 S Main St, New Castle, IN 47362
Phone
(765) 529-5226
Enumerated
Oct 2, 2006
Record last updated
Jan 7, 2010 (not updated in 16 years: call before relying on the address or phone)
Fax
(765) 529-1556
Medicaid ID
200038170A IN
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 Marnell Makela Holtgraves in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Indiana board licenses this profession
    Search for license 20040702A
    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 Indiana license search

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Marnell Makela Holtgraves among 439 psychologist records in Indiana

Marnell Makela Holtgraves, PH.D. is one of 439 psychologist records with a practice address in Indiana. 15% 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 2006, is newer than 5% of them.

  • NPI issued2006 · 5% of these records are older, 67% newer
  • In a Medicare fileNo · 15% of these records are
  • In the CMS Doctors and Clinicians fileNo · 20% of these records are
  • Record last updated2010 · 59% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 103T00000X and a Indiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Psychologist providers in Indiana

There are 439 psychologist records in Indiana. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 psychologist records with the nearest ZIP codes

  1. Alan Stage, PH.DNew Castle, IN 473621558609966
  2. Laura VaselNew Castle, IN 473621275153926
  3. Timothy Kaehr, LMFTRichmond, IN 473741093088544
  4. Gregory Karch, PHD HSPPRichmond, IN 473741548334485
  5. Mary Schwendener-Holt, PHD HSPPRichmond, IN 473741336176288
  6. Anthony Thomalla, PH.D.Richmond, IN 473741790887669
  7. Pei-Yi Lin, PH.D.Yorktown, IN 473961184251316
  8. Sara BissonBloomington, IN 474011134855380

Common questions

What is Marnell Makela Holtgraves, PH.D.'s NPI number?

Marnell Makela Holtgraves, PH.D.'s National Provider Identifier (NPI) is 1114010766, issued on Oct 2, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Marnell Makela Holtgraves, PH.D. located?

The NPPES record lists a practice address at 212 S Main St, New Castle, IN, 47362. Phone: (765) 529-5226. Providers update this record themselves, so call before visiting.

How can I verify Marnell Makela Holtgraves, PH.D.'s license?

NPPES lists Indiana license number 20040702A, as entered by the provider. Search the Indiana 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.