NPPES file of Aug 9, 2026

Deborah L. Blacker, MD SCD

Geriatric Psychiatry Physician · Boston, MA

Deborah L. Blacker, MD SCD is a geriatric psychiatry physician with a practice address in Boston, Massachusetts, and NPI 1205800521, issued on Feb 14, 2006. Check the license (Massachusetts 55900, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1205800521
Name
Deborah L. Blacker
Credential
MD SCD
Primary taxonomy
Geriatric Psychiatry Physician 2084P0805X
License number
55900 MA
Self-reported in NPPES; status is on the state search
Practice location
55 Fruit St 149 2691, Boston, MA 02114
Phone
(617) 726-5571
Enumerated
Feb 14, 2006
Record last updated
Jul 13, 2026
Fax
(617) 726-5760
Medicaid ID
3032663 MA
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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Verify Deborah L. Blacker in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
    Search for license 55900
    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 Massachusetts license search

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99% fewer Medicare Part D claims than the average geriatric psychiatry physician in 2024

17 Medicare Part D claims, against an average of 1,485 among the 473 providers of this specialty who prescribed in Part D.

  1. Deborah Blacker17
  2. Specialty average1,485

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.

Geriatric Psychiatry Physician providers in Massachusetts

There are 45 geriatric psychiatry physician records in Massachusetts.

Other geriatric psychiatry physician records in Massachusetts

  1. David AdamowiczBoston, MA1154987857
  2. Athari Alyazidi, MDHolyoke, MA1477832111
  3. Caroline Bader, M.D.Boston, MA1538587589
  4. Max Baranovsky, MDBrighton, MA1568455939
  5. Alfredo Chan, MDHanover, MA1891746814
  6. Maura Copeland, MDBoston, MA1184609307
  7. Ping Cui, M.D.Haverhill, MA1558363564
  8. Tapsi Dayanand, M.B.B.SBoston, MA1578854030
  9. William Falk, MDBoston, MA1003807918
  10. Brent Forester, M.D.Belmont, MA1649239716

Common questions

What is Deborah L. Blacker, MD SCD's NPI number?

Deborah L. Blacker, MD SCD's National Provider Identifier (NPI) is 1205800521, issued on Feb 14, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Deborah L. Blacker, MD SCD located?

The NPPES record lists a practice address at 55 Fruit St 149 2691, Boston, MA, 02114. Phone: (617) 726-5571. Providers update this record themselves, so call before visiting.

How can I verify Deborah L. Blacker, MD SCD's license?

NPPES lists Massachusetts license number 55900, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://findmydoctor.mass.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Deborah L. Blacker, MD SCD prescribe under Medicare Part D?

In 2024, Deborah L. Blacker, MD SCD had 17 Medicare Part D claims; the average among geriatric psychiatry physician prescribers was 1,485. 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.