Meredith A. Johnston, MD
Psychiatry Physician · Baltimore, MD
Meredith A. Johnston, MD is a psychiatry physician with a practice address in Baltimore, Maryland, and NPI 1306975792, issued on Mar 3, 2007. Check the license (Maryland D62422, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Meredith A. Johnston
- Credential
- MD
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- D62422 MD
Self-reported in NPPES; status is on the state search - Practice location
- 421 Fallsway, Baltimore, MD 21202
- Phone
- (410) 837-5533
- Enumerated
- Mar 3, 2007
- Record last updated
- Dec 18, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (410) 837-2168
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 1,451 in Maryland → Look up another NPI →
Also registered at 421 Fallsway
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Martha Alvaran, CRANPAdult Health Nurse Practitioner1972508281
- Shelbie Atkins, DNP, FNP-BC, MSN, RNFamily Nurse Practitioner1427858398
- Taavon Bazemore, LCSW-CClinical Social Worker1174925036
- Kathleen Becker, DNP, CRNPAdult Health Nurse Practitioner1750507521
- Yael Ben-Chaim, LMSWSocial Worker1245906478
- Kyle Berkley, LGSW-GSocial Worker1710400817
Verify Meredith A. Johnston in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D62422Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
82% more Medicare Part D claims than the average psychiatry physician in 2024
1,817 Medicare Part D claims for 127 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims.
Most prescribed
- Quetiapine Fumarate254 claims
- Trazodone Hcl182 claims
- Bupropion Xl81 claims
- Gabapentin74 claims
- Fluoxetine Hcl73 claims
- Suboxone71 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Meredith A. Johnston among 1,451 psychiatry physician records in Maryland
Meredith A. Johnston, MD is one of 1,451 psychiatry physician records with a practice address in Maryland. 63% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 41% of them.
- NPI issued2007 · 41% of these records are older, 38% newer
- In a Medicare fileYes · 63% of these records are
- In the CMS Doctors and Clinicians fileNo · 36% of these records are
- Record last updated2012 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
497 psychiatry physician records list a practice address in Baltimore
They are 497 of the 35,183 NPPES records with a practice address in Baltimore, and 1,451 psychiatry physician records in Maryland.
All 1,451 in Maryland → Every provider in Baltimore → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Frederick Berlin, M.D., PH.D.Baltimore, MD 212021972596773
- Lauren Evans, M.D.Baltimore, MD 212021467993634
- Sarah Gillman, M.D.Baltimore, MD 212021043534522
- Allan Gold, M.D.Baltimore, MD 212021265554323
- Annette Hanson, MDBaltimore, MD 212021497969497
- Helen Huarca, MDBaltimore, MD 212021700918265
- Ronald Means, MDBaltimore, MD 212021104988393
- Thomas Oglesby, M.D.Baltimore, MD 212021861540619
Common questions
What is Meredith A. Johnston, MD's NPI number?
Meredith A. Johnston, MD's National Provider Identifier (NPI) is 1306975792, issued on Mar 3, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Meredith A. Johnston, MD located?
The NPPES record lists a practice address at 421 Fallsway, Baltimore, MD, 21202. Phone: (410) 837-5533. Providers update this record themselves, so call before visiting.
How can I verify Meredith A. Johnston, MD's license?
NPPES lists Maryland license number D62422, as entered by the provider. Search the Maryland Board of Physicians at https://www.mbp.state.md.us/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Meredith A. Johnston, MD prescribe under Medicare Part D?
In 2024, Meredith A. Johnston, MD had 1,817 Medicare Part D claims for 127 beneficiaries; the average among psychiatry physician prescribers was 1,000. Part D covers Medicare prescriptions 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. Medicare files from data.cms.gov. 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.