Aaron David Gresson, PH.D.
Clinical Psychologist · Baltimore, MD
Aaron David Gresson, PH.D. is a clinical psychologist with a practice address in Baltimore, Maryland, and NPI 1063719029, issued on Feb 27, 2011. Check the license (Maryland 04900, as entered in NPPES) with the Maryland board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Aaron David Gresson
- Credential
- PH.D.
- Primary taxonomy
- Clinical Psychologist 103TC0700X
- License number
- 04900 MD
Self-reported in NPPES; status is on the state search - Practice location
- 5900 York RD, Baltimore, MD 21212
- Phone
- (410) 433-7123
- Enumerated
- Feb 27, 2011
- Record last updated
- May 29, 2012 (not updated in 14 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest clinical psychologist records → All 1,499 in Maryland → Look up another NPI →
Also registered at 5900 York RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Trisha KellyCounselor1326916081
Verify Aaron David Gresson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maryland board licenses this profession
Search for license 04900Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Aaron David Gresson among 1,499 clinical psychologist records in Maryland
Aaron David Gresson, PH.D. is one of 1,499 clinical psychologist records with a practice address in Maryland. 10% 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 2011, is newer than 51% of them.
- NPI issued2011 · 51% of these records are older, 46% newer
- In a Medicare fileNo · 10% of these records are
- In the CMS Doctors and Clinicians fileNo · 18% of these records are
- Record last updated2012 · 64% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 103TC0700X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
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.
All 1,499 in Maryland → Every provider in Baltimore → Clinical Psychologist nationwide →
The 8 clinical psychologist records with the nearest ZIP codes
- Mary Coiro, PHDBaltimore, MD 212121659901692
- Richard Doty, PH.D.Baltimore, MD 212121013687193
- Susan Fishbein, PSY.D.Baltimore, MD 212121457463846
- Janice FurstBaltimore, MD 212121063927622
- Julie Karp, PHDBaltimore, MD 212121083646814
- Bevin MerlesBaltimore, MD 212121215353891
- Amy Sanchez, PHDBaltimore, MD 212121841729886
- Ann-Marie Codori, PH.D.Baltimore, MD 212111073670733
Common questions
What is Aaron David Gresson, PH.D.'s NPI number?
Aaron David Gresson, PH.D.'s National Provider Identifier (NPI) is 1063719029, issued on Feb 27, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Aaron David Gresson, PH.D. located?
The NPPES record lists a practice address at 5900 York RD, Baltimore, MD, 21212. Phone: (410) 433-7123. Providers update this record themselves, so call before visiting.
How can I verify Aaron David Gresson, PH.D.'s license?
NPPES lists Maryland license number 04900, as entered by the provider. 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.