Charles Ukachukwu Nnadi, MD
Psychiatry Physician · New York, NY
Charles Ukachukwu Nnadi, MD is a psychiatry physician with a practice address in New York, New York, and NPI 1154451441, issued on Mar 6, 2007. Check the license (New York 223044, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Charles Ukachukwu Nnadi
- Credential
- MD
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- 223044 NY
Self-reported in NPPES; status is on the state search - Practice location
- 146 Central Park W, New York, NY 10023
- Phone
- (212) 799-7111
- Enumerated
- Mar 6, 2007
- Record last updated
- May 17, 2016 (not updated in 10 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20060314000323); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 6,589 in New York → Look up another NPI →
Also registered at 146 Central Park W
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Charles Ukachukwu Nnadi 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 223044Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
90% fewer Medicare Part D claims than the average psychiatry physician in 2024
98 Medicare Part D claims for 11 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D.
Most prescribed
- Clonazepam19 claims
- Sertraline Hcl15 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.
Bills Medicare through one group practice
- Physician Affiliate Group OF New York PCNew York, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Charles Ukachukwu Nnadi among 6,589 psychiatry physician records in New York
Charles Ukachukwu Nnadi, 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 2007, is newer than 35% of them.
- NPI issued2007 · 35% of these records are older, 44% newer
- In a Medicare fileYes · 72% of these records are
- In the CMS Doctors and Clinicians fileYes · 39% of these records are
- Graduated1983 · median 2002 among the 2,559 with a school on file
- Record last updated2016 · 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
- Miron Baron, M.D.New York, NY 100231386657765
- Joshua Berman, MD PHDNew York, NY 100231710900212
- David Brody, M.D.New York, NY 100231003850751
- Andrew Gilbert, M.D.New York, NY 100231891764924
- James Halper, M.D.New York, NY 100231922094366
- Robin Hamilton, M.D.New York, NY 100231588690325
- Maeve Mahon, M.D.New York, NY 100231003856881
- Alan Pearl, M.D.New York, NY 100231255336319
Common questions
What is Charles Ukachukwu Nnadi, MD's NPI number?
Charles Ukachukwu Nnadi, MD's National Provider Identifier (NPI) is 1154451441, issued on Mar 6, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Charles Ukachukwu Nnadi, MD located?
The NPPES record lists a practice address at 146 Central Park W, New York, NY, 10023. Phone: (212) 799-7111. Providers update this record themselves, so call before visiting.
How can I verify Charles Ukachukwu Nnadi, MD's license?
NPPES lists New York license number 223044, 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 Charles Ukachukwu Nnadi, MD prescribe under Medicare Part D?
In 2024, Charles Ukachukwu Nnadi, MD had 98 Medicare Part D claims for 11 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.