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Edit this profileAt a glance
- 55 Fruit St 149 2691, Massachusetts General Hospital, Boston, MA 02114
About Dr. Blacker
Based in Boston, MA, Deborah L. Blacker, MD SCD is listed in the NPI registry under geriatric psychiatry. Deborah is also listed as specializing in psychiatry. According to Medicare claims data, the services billed most often include established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more. NPI 1205800521 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (617) 726-5571
- Email not available
Practice Locations
55 FRUIT ST 149 2691 MASSACHUSETTS GENERAL HOSPITAL
Boston, MA 02114
Conditions Commonly Evaluated or Treated
Within Psychiatry generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Cognitive and adjustment
Eating, sleep, and somatic
Geriatric care
Mental Health
Neurodevelopmental and behavioral
Most searched conditions
Anxiety, trauma, and obsessive-compulsive
Mood disorders
Psychotic disorders
Substance-related and addictive
Addiction & Substance Use
Eating Disorders
Mood & Depression
Personality and dissociative
Sleep & Wakefulness
Procedures & services
Advanced treatment
Assessment
Most searched procedures
- Anxiety and depression treatment
- Cognitive behavioral therapy
- Medication management
- Psychiatric evaluation
- Telepsychiatry
Addiction care
Addiction Medicine
Assessments
Brain stimulation
Consultations
Diagnostics
Inpatient care
Interventional psychiatry
Psychotherapy
Sleep Medicine
Specialized care
Therapy
Therapy and care
Procedures Most Often Billed to Medicare
23 services · 14 patients · 1 distinct code
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
23 | Less often than most peers in Geriatric Psychiatry |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Common questions
What is Dr. Blacker's specialty?
Dr. Blacker is a geriatric psychiatry in Boston, MA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where can I find Dr. Blacker?
Dr. Blacker is listed at 55 Fruit St 149 2691 Massachusetts General Hospital, Boston, MA 02114. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Blacker?
The number on file is (617) 726-5571. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Dr. Blacker?
Dr. Blacker's National Provider Identifier is 1205800521. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
How much experience does Dr. Blacker have?
Dr. Blacker has 20+ years experience. Registered with an NPI since 2006. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
What is Dr. Blacker known for?
According to Medicare billing data, Dr. Blacker the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Blacker's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Blacker. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.