NPPES file of Aug 9, 2026

Katherine Grein, PHD

Clinical Psychologist · Baltimore, MD

Katherine Grein, PHD is a clinical psychologist with a practice address in Baltimore, Maryland, and NPI 1962141374, issued on Jun 2, 2022. Check the license with the Maryland 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
1962141374
Name
Katherine Grein
Credential
PHD
Primary taxonomy
Clinical Psychologist 103TC0700X
Practice location
209 W Fayette St, Baltimore, MD 21201
Phone
(443) 500-9052
Enumerated
Jun 2, 2022
Record last updated
Jun 2, 2022
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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Also registered at 209 W Fayette St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Alice Barry, LCSW-CClinical Social Worker1811641798
  2. Jeremy Carmasin, PHDPsychologist1760916522
  3. Ruben Carroll, LCSW-CClinical Social Worker1932477361
  4. Mychelle Farmer, M.D.Pediatric Adolescent Medicine Physician1881728780
  5. Caroline Gill, MSW, LICSWClinical Social Worker1326332511
  6. Teniece HarrisClinical Social Worker1861906869

Verify Katherine Grein in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Maryland board licenses this professionCheck 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
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353 clinical psychologist records list a practice address in Baltimore

They are 353 of the 35,183 NPPES records with a practice address in Baltimore, and 1,499 clinical psychologist records in Maryland. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other clinical psychologist records in Maryland

  1. Rachel Aaron, PHDBaltimore, MD1003294232
  2. Adriana Abadi, PSYDBethesda, MD1396534293
  3. Rebecca Abell, PSY.D.Kensington, MD1184075822
  4. Ariella Abraham, PSY.D.Lutherville, MD1629214671
  5. Munazza Abraham, PHDBaltimore, MD1922831361
  6. Sherri Abraham, PSYDOwings Mills, MD1427134642
  7. Alexander Abramowicz, PSYDAnnapolis, MD1558973503
  8. Karen Abrams, PHDKensington, MD1639517014
  9. Elise Abromson, PSY.D.Frederick, MD1194906180
  10. Amy Ackerman, PHDAnnapolis, MD1871257774

Common questions

What is Katherine Grein, PHD's NPI number?

Katherine Grein, PHD's National Provider Identifier (NPI) is 1962141374, issued on Jun 2, 2022. An NPI identifies a provider in billing; it is not a license.

Where is Katherine Grein, PHD located?

The NPPES record lists a practice address at 209 W Fayette St, Baltimore, MD, 21201. Phone: (443) 500-9052. Providers update this record themselves, so call before visiting.

How can I verify Katherine Grein, PHD's license?

Search the Maryland 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.