Greta Valadez Sanchez, MD
NPI 1578179701 · General Practice Physician · Guayanilla, PR
Enrolled with Medicare as Practitioner - General Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Greta Valadez Sanchez, MD is a General Practice Physician provider in Guayanilla, PR (NPI 1578179701).
Provider details
- NPI number
- 1578179701
- Entity type
- Individual
- Primary specialty
- General Practice PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- Yes
- License
- 21984 (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
5 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Tamsulosin Hcl | 93 | 59 |
| Diclofenac Sodium | 35 | 29 |
| Nitrofurantoin Macrocrystalbrand: Nitrofurantoin | 26 | 24 |
| Gabapentin | 23 | 11 |
| Methylprednisolone | 23 | 21 |
| Nitrofurantoin Monohyd/M-Crystbrand: Nitrofurantoin Mono-Macro | 16 | 13 |
| Ondansetronbrand: Ondansetron Odt | 14 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2020-09-22
- Last updated
- 2021-01-13
- Certified
- 2021-01-13
Frequently asked questions
- What is Greta Valadez Sanchez's NPI number?
- Greta Valadez Sanchez's National Provider Identifier (NPI) is 1578179701, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Greta Valadez Sanchez's specialty?
- Greta Valadez Sanchez is listed in the NPPES registry with a primary specialty of General Practice Physician (Allopathic & Osteopathic Physicians).
- Where is Greta Valadez Sanchez located?
- Greta Valadez Sanchez's practice location on file with NPPES is 15 Calle Benigno Davila, Guayanilla, PR 00656-1705.
- What is Greta Valadez Sanchez's phone number?
- The practice phone number listed in the NPPES registry for Greta Valadez Sanchez is (787) 326-6754.
- Does Greta Valadez Sanchez accept Medicare?
- Greta Valadez Sanchez is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Greta Valadez Sanchez's NPI active?
- Yes — Greta Valadez Sanchez's NPI (1578179701) is active in the NPPES registry as of the last update on 2021-01-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.