Clark Johnsen, DO
Psychiatry Physician · New York, NY
Clark Johnsen, DO is a psychiatry physician with a practice address in New York, New York, and NPI 1306335450, issued on May 4, 2018. Check the license (New York 299739, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Clark Johnsen
- Credential
- DO
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- 299739 NY
Self-reported in NPPES; status is on the state search - Practice location
- 67 Irving PL FL 6, New York, NY 10003
- Phone
- (332) 334-7846
- Enumerated
- May 4, 2018
- Record last updated
- Mar 16, 2023
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 6,589 in New York → Look up another NPI →
Also registered at 67 Irving PL FL 6
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ciara Dockery, PH.D.Clinical Psychologist1598226953
- Daniel Ratner, PSYDClinical Psychologist1467031534
- Sara Sadek, PSYDPsychologist1225685993
- Randi Torstenson, PSY.D.Clinical Psychologist1013159870
- Sumru Tufekcioglu, PHDClinical Psychologist1184132227
- Jaclyn Witmer, PSY.D.Clinical Psychologist1528587078
Verify Clark Johnsen 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 299739Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average psychiatry physician in 2024
14 Medicare Part D claims, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D.
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.
Clark Johnsen among 6,589 psychiatry physician records in New York
Clark Johnsen, DO 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 fileNo · 39% of these records are
- 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
- Henry Chung, M.D.New York, NY 100031841275518
- Laura Dalheim, MDNew York, NY 100031386681641
- Herbert Fox, MDNew York, NY 100031992748271
- Guy Glass, MDNew York, NY 100031982606018
- David Klahr, MDNy, NY 100031386608529
- Melinda Lantz, MDNew York, NY 100031295733715
- Stephen Malach, M.D.New York, NY 100031407899347
- Michael Murphy, MDNew York, NY 100031821055419
Common questions
What is Clark Johnsen, DO's NPI number?
Clark Johnsen, DO's National Provider Identifier (NPI) is 1306335450, issued on May 4, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Clark Johnsen, DO located?
The NPPES record lists a practice address at 67 Irving PL FL 6, New York, NY, 10003. Phone: (332) 334-7846. Providers update this record themselves, so call before visiting.
How can I verify Clark Johnsen, DO's license?
NPPES lists New York license number 299739, 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.
How much does Clark Johnsen, DO prescribe under Medicare Part D?
In 2024, Clark Johnsen, DO had 14 Medicare Part D claims; 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.