Registry data as of Aug 27, 2026

Harriet Ackerman, M.D.

Psychiatry Physician · Mount Kisco, NY

Harriet Ackerman, M.D. is a psychiatry physician with a practice address in Mount Kisco, New York, and NPI 1336330091, issued on Aug 7, 2007. Check the license (New York 206835, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1336330091
Name
Harriet Ackerman
Credential
M.D.
Primary taxonomy
Psychiatry Physician 2084P0800X
License number
206835 NY
Self-reported in NPPES; status is on the state search
Practice location
61 Smith Ave, Mount Kisco, NY 10549
Phone
(914) 629-1466
Enumerated
Aug 7, 2007
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 61 Smith Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Cynthia Linde, PSY.D.Clinical Neuropsychologist1780803692
  2. Carla Polcyn, MD123158Child & Adolescent Psychiatry Physician1154536803

Verify Harriet Ackerman in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
    Search for license 206835
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Open the New York license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

88% fewer Medicare Part D claims than the average psychiatry physician in 2024

125 Medicare Part D claims, against an average of 1,010 among the 32,287 providers of this specialty who prescribed in Part D.

  1. Harriet Ackerman125
  2. Specialty average1,010

Most prescribed

  1. Venlafaxine Hcl Er43 claims
  2. Dextroamphetamine-Amphetamine14 claims
  3. Duloxetine Hcl11 claims
  4. Trazodone 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.

20 psychiatry physician records list a Mount Kisco practice address

They are 20 of the 1,003 NPPES records with a Mount Kisco practice address, and 6,167 psychiatry physician records in New York.

Other psychiatry physician records in New York

  1. Muhammad AadilBronx, NY1366928947
  2. Geetha Aakalu, M.D.Monticello, NY1770628661
  3. Harry Aaron, M.D.New York, NY1821116187
  4. Lisa Aaron, MDPeekskill, NY1316097934
  5. Shelley AaronsNew York, NY1770883258
  6. Benjamin Abastillas, M.D.Hyde Park, NY1750439832
  7. Tessie AbastillasMarcy, NY1801098496
  8. Ashraf Abaza, M.D.New York, NY1831105246
  9. Israr Abbasi, MDLakewood, NY1518925437
  10. Maheen Abbasi, M.D.Bronx, NY1225480965

Common questions

What is Harriet Ackerman, M.D.'s NPI number?

Harriet Ackerman, M.D.'s National Provider Identifier (NPI) is 1336330091, issued on Aug 7, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Harriet Ackerman, M.D. located?

The NPPES record lists a practice address at 61 Smith Ave, Mount Kisco, NY, 10549. Phone: (914) 629-1466. Providers update this record themselves, so call before visiting.

How can I verify Harriet Ackerman, M.D.'s license?

NPPES lists New York license number 206835, 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 Harriet Ackerman, M.D. prescribe under Medicare Part D?

In 2024, Harriet Ackerman, M.D. had 125 Medicare Part D claims; the average among psychiatry physician prescribers was 1,010. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.