Philipp Sack, M.D.
NPI 1790974863 · Psychiatry Physician · Modesto, CA
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Philipp Sack, M.D. is a Psychiatry Physician provider in Modesto, CA (NPI 1790974863).
Provider details
- NPI number
- 1790974863
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- C133712 (CA)
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 tenure25% of score
18 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
2,255 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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) |
|---|---|---|
| Psychotherapy With Evaluation and Management Visit, 30 Minutes90833 | 950 | $74 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 945 | $153 |
| Psychotherapy With Evaluation and Management Visit, 30 Minutes90833 | 124 | $70 |
| Psychiatric Services Complicated By Communication Factor90785 | 82 | $17 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 62 | $109 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 42 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 48 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Lorazepam | 233 | 40 |
| Mirtazapine | 135 | 27 |
| Bupropion Hclbrand: Bupropion Xl | 128 | 29 |
| Quetiapine Fumarate | 124 | 30 |
| Buspirone Hcl | 122 | 26 |
| Clonazepam | 118 | 23 |
| Lamotrigine | 95 | 25 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$187 across 9 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-10-15
- Last updated
- 2021-08-27
- Certified
- 2021-08-27
Frequently asked questions
- What is Philipp Sack's NPI number?
- Philipp Sack's National Provider Identifier (NPI) is 1790974863, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Philipp Sack's specialty?
- Philipp Sack is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Philipp Sack located?
- Philipp Sack's practice location on file with NPPES is 1601 Cummins Dr Ste D, Modesto, CA 95358-6411.
- What is Philipp Sack's phone number?
- The practice phone number listed in the NPPES registry for Philipp Sack is (510) 900-3125.
- Does Philipp Sack accept Medicare?
- Philipp Sack is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Philipp Sack's NPI active?
- Yes — Philipp Sack's NPI (1790974863) is active in the NPPES registry as of the last update on 2021-08-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.