Gregory Robert Karch, PHD HSPP
Psychologist · Richmond, IN
Gregory Robert Karch, PHD HSPP is a psychologist with a practice address in Richmond, Indiana, and NPI 1548334485, issued on Nov 20, 2006. Check the license (Indiana 20090236A, 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.
- Name
- Gregory Robert Karch
- Credential
- PHD HSPP
- Primary taxonomy
- Psychologist 103T00000X
- License number
- 20090236A IN
Self-reported in NPPES; status is on the state search - Practice location
- 1901 E Main St, Richmond, IN 47374
- Phone
- (765) 935-7284
- Enumerated
- Nov 20, 2006
- Record last updated
- Mar 25, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (765) 935-5002
- Medicaid ID
- 100257260A IN
- Entity
- Type 1 · individual
8 nearest psychologist records → All 439 in Indiana → Look up another NPI →
Also registered at 1901 E Main St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Gregory Robert Karch in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Indiana board licenses this profession
Search for license 20090236ACheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Gregory Robert Karch among 439 psychologist records in Indiana
Gregory Robert Karch, PHD HSPP 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 updated2021 · 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.
All 439 in Indiana → Every provider in Richmond → Psychologist nationwide →
The 8 psychologist records with the nearest ZIP codes
- Timothy Kaehr, LMFTRichmond, IN 473741093088544
- Mary Schwendener-Holt, PHD HSPPRichmond, IN 473741336176288
- Anthony Thomalla, PH.D.Richmond, IN 473741790887669
- Marnell Holtgraves, PH.D.New Castle, IN 473621114010766
- Alan Stage, PH.DNew Castle, IN 473621558609966
- Laura VaselNew Castle, IN 473621275153926
- Pei-Yi Lin, PH.D.Yorktown, IN 473961184251316
- Sara BissonBloomington, IN 474011134855380
Common questions
What is Gregory Robert Karch, PHD HSPP's NPI number?
Gregory Robert Karch, PHD HSPP's National Provider Identifier (NPI) is 1548334485, issued on Nov 20, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Gregory Robert Karch, PHD HSPP located?
The NPPES record lists a practice address at 1901 E Main St, Richmond, IN, 47374. Phone: (765) 935-7284. Providers update this record themselves, so call before visiting.
How can I verify Gregory Robert Karch, PHD HSPP's license?
NPPES lists Indiana license number 20090236A, 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.