Physician Profile
Aysar B. Fathallah-Mammo, MD
Unclaimed ProfileAbout Dr. Fathallah-Mammo
Aysar B. Fathallah-Mammo, MD is a healthcare provider in Brooklyn, NY specializing in psychiatry. Medicare claims data shows Aysar provided 921 services to 205 patients. The services billed most often include subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes, subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more, and initial nursing facility care with high level of medical decision making, per day, if using time, 50 minutes or more. This provider record is associated with NPI 1144230921.
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
- (800) 376-5566
- Email not available
Practice Locations
1545 ATLANTIC AVE
Brooklyn, NY 11213
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
Most searched conditions
Anxiety, trauma, and obsessive-compulsive
Mood disorders
Psychotic disorders
Substance-related and addictive
Addiction & Substance Use
Cognitive and adjustment
Eating Disorders
Eating, sleep, and somatic
Mood & Depression
Neurodevelopmental and behavioral
Personality and dissociative
Sleep & Wakefulness
Procedures & services
Most searched procedures
- Anxiety and depression treatment
- Cognitive behavioral therapy
- Medication management
- Psychiatric evaluation
- Telepsychiatry
Assessment
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
921 services · 205 patients · 4 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes | Office visit | 99309 |
720 | More often than most peers in Psychiatry |
| Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more | Office visit | 99308 |
141 | As often as other peers in Psychiatry |
| Initial nursing facility care with high level of medical decision making, per day, if using time, 50 minutes or more | Office visit | 99306 |
41 | As often as other peers in Psychiatry |
| Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes | Office visit | 99310 |
19 | Less often than most peers in 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.
Other psychiatrists at this location 5
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 2
Clinically related specialties at the same address — the people this provider most likely works alongside.
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.
More connections — 6 related providers in 1 group
Common questions
What is Dr. Fathallah-Mammo's specialty?
Dr. Fathallah-Mammo is a psychiatrist in Brooklyn, NY. That is the designation recorded for this NPI in the federal registry, where it is listed as “Psychiatry”.
NPI registry
Where can I find Dr. Fathallah-Mammo?
Dr. Fathallah-Mammo is listed at 1545 Atlantic Ave, Brooklyn, NY 11213. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Fathallah-Mammo?
The number on file is (800) 376-5566. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Dr. Fathallah-Mammo?
Dr. Fathallah-Mammo's National Provider Identifier is 1144230921. 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. Fathallah-Mammo have?
Dr. Fathallah-Mammo 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. Fathallah-Mammo known for?
According to Medicare billing data, Dr. Fathallah-Mammo 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. Fathallah-Mammo's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Fathallah-Mammo. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.