Leonard J. Hertzberg, MD, PO
Psychiatry Physician · Baltimore, MD
Leonard J. Hertzberg, MD, PO is a psychiatry physician with a practice address in Baltimore, Maryland, and NPI 1619314580, issued on May 31, 2013. Check the license (Maryland 005317, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Leonard J. Hertzberg
- Credential
- MD, PO
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- 005317 MD
Self-reported in NPPES; status is on the state search - Practice location
- 1314 Bedford Ave Ste 109, Baltimore, MD 21208
- Phone
- (410) 484-1344
- Enumerated
- May 31, 2013
- Record last updated
- May 31, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (410) 415-5711
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 1,451 in Maryland → Look up another NPI →
Verify Leonard J. Hertzberg in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license 005317Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
86% fewer Medicare Part D claims than the average psychiatry physician in 2024
139 Medicare Part D claims for 21 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D.
Most prescribed
- Sertraline Hcl29 claims
- Trazodone Hcl19 claims
- Clonazepam17 claims
- Lamotrigine12 claims
- Doxepin Hcl11 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.
Leonard J. Hertzberg among 1,451 psychiatry physician records in Maryland
Leonard J. Hertzberg, MD, PO 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 2013, is newer than 76% of them.
- NPI issued2013 · 76% of these records are older, 20% newer
- In a Medicare fileYes · 63% of these records are
- In the CMS Doctors and Clinicians fileNo · 36% of these records are
- Record last updated2013 · 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
- Patricia Attman, M.D.Baltimore, MD 212081184707218
- Johannes Dalmasy-Frouin, M.D.Baltimore, MD 212081508852112
- Sheldon Glass, M.D.Baltimore, MD 212081609941129
- Stephen Goldberg, MDPikesville, MD 212081710968102
- Lisa Hollander, MDPikesville, MD 212081871512988
- Alan Jonas, M.D.Baltimore, MD 212081467552521
- Robert Lehman, M.D.Baltimore, MD 212081558461632
- Janice Miller, MDPikesville, MD 212081154429728
Common questions
What is Leonard J. Hertzberg, MD, PO's NPI number?
Leonard J. Hertzberg, MD, PO's National Provider Identifier (NPI) is 1619314580, issued on May 31, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Leonard J. Hertzberg, MD, PO located?
The NPPES record lists a practice address at 1314 Bedford Ave Ste 109, Baltimore, MD, 21208. Phone: (410) 484-1344. Providers update this record themselves, so call before visiting.
How can I verify Leonard J. Hertzberg, MD, PO's license?
NPPES lists Maryland license number 005317, 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 Leonard J. Hertzberg, MD, PO prescribe under Medicare Part D?
In 2024, Leonard J. Hertzberg, MD, PO had 139 Medicare Part D claims for 21 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.