Hallie Knopf, MD
Psychiatry Physician · New York, NY
Hallie Knopf, MD is a psychiatry physician with a practice address in New York, New York, and NPI 1003313198, issued on Apr 6, 2018. Check the license (New York 306519, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Hallie Knopf
- Credential
- MD
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- 306519 NY
Self-reported in NPPES; status is on the state search - Practice location
- 109 W 27TH St Ste 5S, New York, NY 10001
- Phone
- (917) 634-5311
- Enumerated
- Apr 6, 2018
- Record last updated
- Jun 6, 2023
- Medicare enrollment
- Enrolled (PECOS I20220712001608); accepts Medicare assignment
- Medical or professional school
- Columbia University College Of Physicians And Surgeons, 2018
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 6,589 in New York → Look up another NPI →
Also registered at 109 W 27TH St Ste 5S
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Hallie Knopf in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
Search for license 306519Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- St Joseph's Hospital YonkersHarrison, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Hallie Knopf among 6,589 psychiatry physician records in New York
Hallie Knopf, MD is one of 6,589 psychiatry physician records with a practice address in New York. 72% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 85% of them.
- NPI issued2018 · 85% of these records are older, 12% newer
- In a Medicare fileYes · 72% of these records are
- In the CMS Doctors and Clinicians fileYes · 39% of these records are
- Graduated2018 · median 2002 among the 2,559 with a school on file
- Record last updated2023 · 65% 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 New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
2,604 psychiatry physician records list a practice address in New York
They are 2,604 of the 98,468 NPPES records with a practice address in New York, and 6,589 psychiatry physician records in New York.
All 6,589 in New York → Every provider in New York → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Daniel Bauman, M.D.New York, NY 100011487618625
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- Kevin Dicesare, MDNew York, NY 100011265491674
- Michael Dulchin, MDNew York, NY 100011649267543
- Kyle Kato, M.D.New York, NY 100011366419947
- Lois Macdonnell, M.D.New York, NY 100011154375756
- Megan Marumoto, M.D.New York, NY 100011760472765
- Ronald Moruzzi, D.O.New York, NY 100011821070921
Common questions
What is Hallie Knopf, MD's NPI number?
Hallie Knopf, MD's National Provider Identifier (NPI) is 1003313198, issued on Apr 6, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Hallie Knopf, MD located?
The NPPES record lists a practice address at 109 W 27TH St Ste 5S, New York, NY, 10001. Phone: (917) 634-5311. Providers update this record themselves, so call before visiting.
How can I verify Hallie Knopf, MD's license?
NPPES lists New York license number 306519, as entered by the provider. Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. 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.