Katherine Mercado-Nazario, M.D.
NPI 1700022282 · Psychiatry Physician · Vega Alta, PR
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Katherine Mercado-Nazario, M.D. is a Psychiatry Physician provider in Vega Alta, PR (NPI 1700022282).
Provider details
- NPI number
- 1700022282
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- 17401 (PR)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
17 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 45 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Clonazepam | 2,262 | 282 |
| Sertraline Hcl | 1,257 | 183 |
| Temazepam | 1,084 | 140 |
| Lorazepam | 933 | 151 |
| Trazodone Hcl | 835 | 124 |
| Quetiapine Fumarate | 767 | 93 |
| Escitalopram Oxalate | 709 |
Practice location
Mailing address
Additional practice locations (1)
- 11212 State Highway 151 Ste 120San Antonio, TX 78251-4498Phone: (939) 402-7608
Registry dates
- Enumerated
- 2009-01-05
- Last updated
- 2023-03-16
- Certified
- 2023-03-16
Frequently asked questions
- What is Katherine Mercado-Nazario's NPI number?
- Katherine Mercado-Nazario's National Provider Identifier (NPI) is 1700022282, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Katherine Mercado-Nazario's specialty?
- Katherine Mercado-Nazario is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Katherine Mercado-Nazario located?
- Katherine Mercado-Nazario's practice location on file with NPPES is Km 31.7 Carr #2, Vega Alta, PR 00692.
- What is Katherine Mercado-Nazario's phone number?
- The practice phone number listed in the NPPES registry for Katherine Mercado-Nazario is (787) 941-3619.
- Does Katherine Mercado-Nazario accept Medicare?
- Katherine Mercado-Nazario is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Katherine Mercado-Nazario's NPI active?
- Yes — Katherine Mercado-Nazario's NPI (1700022282) is active in the NPPES registry as of the last update on 2023-03-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.