Guillermo Otero-Perez, MD
NPI 1962441725 · Psychiatry Physician · Philadelphia, PA
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Guillermo Otero-Perez, MD is a Psychiatry Physician provider in Philadelphia, PA (NPI 1962441725).
Provider details
- NPI number
- 1962441725
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MT180138 (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 tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
71 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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 41 | $125 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 30 | $80 |
Typical Medicare-allowed amounts for these services range $80–$125 (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 · 19 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Clonazepam | 68 | 13 |
| Sertraline Hcl | 32 | — |
| Fluoxetine Hcl | 28 | — |
| Trazodone Hcl | 27 | 11 |
| Lorazepam | 25 | 12 |
| Dextroamphetamine/Amphetaminebrand: Dextroamphetamine-Amphetamine | 25 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$20 across 1 record (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
Additional practice locations (2)
- 721 Dresher Rd Ste 1100Horsham, PA 19044-2216Phone: (215) 254-6000Fax: (215) 754-1705
- 795 E Lancaster Ave Ste 210Villanova, PA 19085-1525Phone: (215) 254-6000Fax: (215) 754-1705
Registry dates
- Enumerated
- 2006-06-06
- Last updated
- 2025-01-15
- Certified
- 2025-01-15
Frequently asked questions
- What is Guillermo Otero-Perez's NPI number?
- Guillermo Otero-Perez's National Provider Identifier (NPI) is 1962441725, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Guillermo Otero-Perez's specialty?
- Guillermo Otero-Perez is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Guillermo Otero-Perez located?
- Guillermo Otero-Perez's practice location on file with NPPES is 101 E Olney Ave, Philadelphia, PA 19120-2421.
- What is Guillermo Otero-Perez's phone number?
- The practice phone number listed in the NPPES registry for Guillermo Otero-Perez is (215) 456-7000.
- Does Guillermo Otero-Perez accept Medicare?
- Guillermo Otero-Perez is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Guillermo Otero-Perez's NPI active?
- Yes — Guillermo Otero-Perez's NPI (1962441725) is active in the NPPES registry as of the last update on 2025-01-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.