Mary Perez, MD
NPI 1437155843 · Specialist · Bayamon, PR
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mary Perez, MD is a Specialist provider in Bayamon, PR (NPI 1437155843).
Provider details
- NPI number
- 1437155843
- Entity type
- Individual
- Primary specialty
- SpecialistOther Service Providers
- Credential
- MD
- Sex
- Female
- Sole proprietor
- Yes
- License
- 12314 (PR)
Specialties & taxonomies
Other Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
21 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
101 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, 45 Minutes90834 | 87 | $99 |
| Psychotherapy, 30 Minutes90832 | 14 | $77 |
Typical Medicare-allowed amounts for these services range $77–$99 (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 · 26 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Duloxetine Hcl | 333 | 36 |
| Clonazepam | 312 | 55 |
| Sertraline Hcl | 238 | 43 |
| Quetiapine Fumarate | 196 | 23 |
| Temazepam | 187 | 24 |
| Buspirone Hcl | 178 | 27 |
| Bupropion Hclbrand: Bupropion Xl | 171 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$25 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
Registry dates
- Enumerated
- 2005-06-22
- Last updated
- 2017-02-22
Frequently asked questions
- What is Mary Perez's NPI number?
- Mary Perez's National Provider Identifier (NPI) is 1437155843, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Perez's specialty?
- Mary Perez is listed in the NPPES registry with a primary specialty of Specialist (Other Service Providers).
- Where is Mary Perez located?
- Mary Perez's practice location on file with NPPES is 64 Calle Santa Cruz, Bayamon, PR 00961-7003.
- What is Mary Perez's phone number?
- The practice phone number listed in the NPPES registry for Mary Perez is (787) 779-6243.
- Does Mary Perez accept Medicare?
- Mary Perez is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mary Perez's NPI active?
- Yes — Mary Perez's NPI (1437155843) is active in the NPPES registry as of the last update on 2017-02-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.