Ruth De Peralta, MD
NPI 1093839813 · Psychiatry Physician · San Francisco, CA
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ruth De Peralta, MD is a Psychiatry Physician provider in San Francisco, CA (NPI 1093839813).
Provider details
- NPI number
- 1093839813
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- A41727 (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
19 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
56 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212 | 23 | $40 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 22 | $104 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 11 | $74 |
Typical Medicare-allowed amounts for these services range $40–$104 (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 · 14 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Clonazepam | 81 | — |
| Risperidone | 79 | 11 |
| Olanzapine | 65 | 11 |
| Trazodone Hcl | 61 | 11 |
| Quetiapine Fumarate | 56 | — |
| Escitalopram Oxalate | 36 | — |
| Citalopram Hydrobromidebrand: Citalopram Hbr | 25 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$97 across 3 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
- 2007-03-19
- Last updated
- 2024-10-21
- Certified
- 2024-10-21
Frequently asked questions
- What is Ruth De Peralta's NPI number?
- Ruth De Peralta's National Provider Identifier (NPI) is 1093839813, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ruth De Peralta's specialty?
- Ruth De Peralta is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Ruth De Peralta located?
- Ruth De Peralta's practice location on file with NPPES is 1625 Carroll Ave, San Francisco, CA 94124-3219.
- What is Ruth De Peralta's phone number?
- The practice phone number listed in the NPPES registry for Ruth De Peralta is (415) 822-8200.
- Does Ruth De Peralta accept Medicare?
- Ruth De Peralta is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ruth De Peralta's NPI active?
- Yes — Ruth De Peralta's NPI (1093839813) is active in the NPPES registry as of the last update on 2024-10-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.