William Breitbart, MD
NPI 1134190911 · Psychiatry Physician · New York, NY
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Breitbart, MD is a Psychiatry Physician provider in New York, NY (NPI 1134190911).
Provider details
- NPI number
- 1134190911
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 151200 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
363 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 284 | $107 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 40 | $155 |
| Telephone Medical Discussion With Physician, 21-30 Minutes99443 | 23 | $109 |
| Psychiatric Diagnostic Evaluation With Medical Services90792 | 16 | $180 |
Typical Medicare-allowed amounts for these services range $107–$180 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 22 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Olanzapine | 122 | 23 |
| Escitalopram Oxalate | 93 | 12 |
| Bupropion Hclbrand: Bupropion Hcl Sr | 86 | 16 |
| Methylphenidate Hcl | 84 | 19 |
| Clonazepam | 77 | 18 |
| Venlafaxine Hclbrand: Venlafaxine Hcl Er | 77 | — |
| Mirtazapine |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-01-30
- Last updated
- 2007-10-26
Frequently asked questions
- What is William Breitbart's NPI number?
- William Breitbart's National Provider Identifier (NPI) is 1134190911, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Breitbart's specialty?
- William Breitbart is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is William Breitbart located?
- William Breitbart's practice location on file with NPPES is 1275 York Ave, New York, NY 10021-6007.
- What is William Breitbart's phone number?
- The practice phone number listed in the NPPES registry for William Breitbart is (646) 227-3813.
- Does William Breitbart accept Medicare?
- William Breitbart is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Breitbart's NPI active?
- Yes — William Breitbart's NPI (1134190911) is active in the NPPES registry as of the last update on 2007-10-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.