David Krassner, MD
NPI 1841552056 · Psychiatry Physician · Phoenix, AZ
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
David Krassner, MD is a Psychiatry Physician provider in Phoenix, AZ (NPI 1841552056).
Provider details
- NPI number
- 1841552056
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 52423 (AZ)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
14 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 18 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Buspirone Hcl | 40 | 17 |
| Sertraline Hcl | 36 | 16 |
| Trazodone Hcl | 32 | 16 |
| Quetiapine Fumarate | 29 | 13 |
| Clonazepam | 28 | — |
| Bupropion Hclbrand: Bupropion Xl | 23 | — |
| Escitalopram Oxalate |
Practice location
Mailing address
Registry dates
- Enumerated
- 2012-06-13
- Last updated
- 2024-11-13
- Certified
- 2024-11-13
Frequently asked questions
- What is David Krassner's NPI number?
- David Krassner's National Provider Identifier (NPI) is 1841552056, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is David Krassner's specialty?
- David Krassner is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is David Krassner located?
- David Krassner's practice location on file with NPPES is Po Box 72838, Phoenix, AZ 85050-1031.
- What is David Krassner's phone number?
- The practice phone number listed in the NPPES registry for David Krassner is (805) 464-8660.
- Does David Krassner accept Medicare?
- David Krassner is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is David Krassner's NPI active?
- Yes — David Krassner's NPI (1841552056) is active in the NPPES registry as of the last update on 2024-11-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.