David Kalkstein, MD, PHD
NPI 1215923255 · Psychiatry Physician · Philadelphia, PA
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
David Kalkstein, MD, PHD is a Psychiatry Physician provider in Philadelphia, PA (NPI 1215923255).
Provider details
- NPI number
- 1215923255
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD, PHD
- Sex
- Male
- Sole proprietor
- Yes
- License
- MD023723E (PA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
21 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
892 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 | 414 | $123 |
| Psychotherapy With Evaluation and Management Visit, 30 Minutes90833 | 183 | $71 |
| Psychotherapy, 1 Hour90837 | 183 | $138 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 65 | $78 |
| Psychotherapy, 45 Minutes90834 | 34 | $91 |
| Psychiatric Diagnostic Evaluation90791 | 13 | $160 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 33 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Alprazolam | 143 | 21 |
| Fluvoxamine Maleate | 120 | 24 |
| Clonazepam | 116 | 17 |
| Venlafaxine Hcl | 90 | 20 |
| Bupropion Hclbrand: Bupropion Xl | 79 | 11 |
| Fluoxetine Hcl | 77 | 15 |
| Lamotrigine | 70 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-09-26
- Last updated
- 2021-04-06
- Certified
- 2021-04-06
Frequently asked questions
- What is David Kalkstein's NPI number?
- David Kalkstein's National Provider Identifier (NPI) is 1215923255, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is David Kalkstein's specialty?
- David Kalkstein is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is David Kalkstein located?
- David Kalkstein's practice location on file with NPPES is 1919 Chestnut St, Philadelphia, PA 19103-3433.
- What is David Kalkstein's phone number?
- The practice phone number listed in the NPPES registry for David Kalkstein is (610) 716-3715.
- Does David Kalkstein accept Medicare?
- David Kalkstein is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is David Kalkstein's NPI active?
- Yes — David Kalkstein's NPI (1215923255) is active in the NPPES registry as of the last update on 2021-04-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.