Nestor Flores, MD
NPI 1255830378 · Internal Medicine Physician · Springfield, MA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nestor Flores, MD is a Internal Medicine Physician provider in Springfield, MA (NPI 1255830378).
Provider details
- NPI number
- 1255830378
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 1020023 (MA)
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 tenure33% of score
8 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 · 37 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 120 | 31 |
| Gabapentin | 66 | 21 |
| Amlodipine Besylate | 51 | 15 |
| Dulaglutidebrand: Trulicity | 48 | 12 |
| Losartan Potassium | 44 | 11 |
| Trazodone Hcl | 44 | 17 |
| Carvedilol |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$28 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
- 2018-02-04
- Last updated
- 2024-09-30
- Certified
- 2024-09-30
Frequently asked questions
- What is Nestor Flores's NPI number?
- Nestor Flores's National Provider Identifier (NPI) is 1255830378, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nestor Flores's specialty?
- Nestor Flores is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Nestor Flores located?
- Nestor Flores's practice location on file with NPPES is 140 High St, Springfield, MA 01105-1442.
- What is Nestor Flores's phone number?
- The practice phone number listed in the NPPES registry for Nestor Flores is (413) 794-2511.
- Does Nestor Flores accept Medicare?
- Nestor Flores is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nestor Flores's NPI active?
- Yes — Nestor Flores's NPI (1255830378) is active in the NPPES registry as of the last update on 2024-09-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.