Alysia Maria Sierra, PSY.D
Clinical Psychologist · Arnold, MD
Alysia Maria Sierra, PSY.D is a clinical psychologist with a practice address in Arnold, Maryland, and NPI 1720458946, issued on Sep 30, 2015. Check the license (Maryland 05597, 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
- Alysia Maria Sierra
- Credential
- PSY.D
- Primary taxonomy
- Clinical Psychologist 103TC0700X
- License number
- 05597 MD
Self-reported in NPPES; status is on the state search - Practice location
- 1298 Bay Dale Dr Ste 211, Arnold, MD 21012
- Phone
- (410) 919-4904
- Enumerated
- Sep 30, 2015
- Record last updated
- Nov 21, 2023
- Medicare enrollment
- Enrolled (PECOS I20160628002335); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest clinical psychologist records → All 1,499 in Maryland → Look up another NPI →
Also registered at 1298 Bay Dale Dr Ste 211
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kimberly GilletteSocial Worker1679881726
- Rhiannon Gruppuso, LCSWCClinical Social Worker1689286791
- Jaime Harn, LCPCMental Health Counselor1487384319
- Holly Hiltner-Fullmer, PSY.D.Clinical Psychologist1356777106
- Tiffany Jones-Rouse, LCSW-C, CSC-ADClinical Social Worker1740611599
- Ilana Posner, LMSWClinical Social Worker1972289551
Verify Alysia Maria Sierra in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maryland board licenses this profession
Search for license 05597Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Alysia Maria Sierra among 1,499 clinical psychologist records in Maryland
Alysia Maria Sierra, PSY.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 2015, is newer than 64% of them.
- NPI issued2015 · 64% of these records are older, 33% newer
- In a Medicare fileNo · 10% of these records are
- In the CMS Doctors and Clinicians fileYes · 18% of these records are
- Graduated2013 · median 2003 among the 265 with a school on file
- Record last updated2023 · 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).
9 clinical psychologist records list a practice address in Arnold
They are 9 of the 307 NPPES records with a practice address in Arnold, 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 Arnold → Clinical Psychologist nationwide →
The 8 clinical psychologist records with the nearest ZIP codes
- Jeffrey Barnett, PSY.D.Arnold, MD 210121982932307
- Susan Cecere, PHDArnold, MD 210121457483539
- Holly Hiltner-Fullmer, PSY.D.Arnold, MD 210121356777106
- Mary Leonard, PHDArnold, MD 210121134362908
- Suzanne Linkroum, PHDArnold, MD 210121720381932
- Arika Otani, ED.D.Arnold, MD 210121811150485
- Angelica Shiels, PSYDArnold, MD 210121235523614
- Jillian SolomonArnold, MD 210121598433286
Common questions
What is Alysia Maria Sierra, PSY.D's NPI number?
Alysia Maria Sierra, PSY.D's National Provider Identifier (NPI) is 1720458946, issued on Sep 30, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Alysia Maria Sierra, PSY.D located?
The NPPES record lists a practice address at 1298 Bay Dale Dr Ste 211, Arnold, MD, 21012. Phone: (410) 919-4904. Providers update this record themselves, so call before visiting.
How can I verify Alysia Maria Sierra, PSY.D's license?
NPPES lists Maryland license number 05597, 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.