Katherine Ammon
Psychiatry Physician · Baltimore, MD
Katherine Ammon is a psychiatry physician with a practice address in Baltimore, Maryland, and NPI 1497496798, issued on Apr 2, 2022. Check the license (Maryland D0107690, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Katherine Ammon
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- D0107690 MD
Self-reported in NPPES; status is on the state search - Practice location
- 600 N Wolfe St, Baltimore, MD 21287
- Phone
- (410) 955-5000
- Enumerated
- Apr 2, 2022
- Record last updated
- Jul 20, 2026
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 1,451 in Maryland → Look up another NPI →
Also registered at 600 N Wolfe St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Katherine Ammon in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D0107690Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $18.50
1 payment: food and beverage; the largest payer was Teva Pharmaceuticals USA, Inc. The 13,693 providers of this specialty with any payment received $4,954.93 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Katherine Ammon among 1,451 psychiatry physician records in Maryland
Katherine Ammon 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 2022, is newer than 97% of them.
- NPI issued2022 · 97% of these records are older, 2% newer
- In a Medicare fileYes · 63% of these records are
- In the CMS Doctors and Clinicians fileNo · 36% of these records are
- Record last updated2026 · 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
- Larry Alessi, M.D.Baltimore, MD 212871902860596
- Andrew Angelino, M.D.Baltimore, MD 212871346204625
- Shannon Barnett, M.D.Baltimore, MD 212871104881796
- Emile Bendit, M.D.Baltimore, MD 212871063478824
- Oscar Bienvenu, M.D.Baltimore, MD 212871821054909
- Gabrielle Blackman, M.D.Baltimore, MD 212871417913195
- David Blass, M.D.Baltimore, MD 212871508822610
- Christopher Carroll, M.D.Baltimore, MD 212871730137621
Common questions
What is Katherine Ammon's NPI number?
Katherine Ammon's National Provider Identifier (NPI) is 1497496798, issued on Apr 2, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Katherine Ammon located?
The NPPES record lists a practice address at 600 N Wolfe St, Baltimore, MD, 21287. Phone: (410) 955-5000. Providers update this record themselves, so call before visiting.
How can I verify Katherine Ammon's license?
NPPES lists Maryland license number D0107690, 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.
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.