Estela Rodriguez Alonso, MD
NPI 1134616691 · Internal Medicine Physician · Stamford, CT
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Estela Rodriguez Alonso, MD is a Internal Medicine Physician provider in Stamford, CT (NPI 1134616691).
Provider details
- NPI number
- 1134616691
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- T2484 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
8 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
395 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 | 133 | $122 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 76 | $85 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 36 | $120 |
| Prolonged Preventive Service(s) (beyond the Typical Service Time of the Primary Procedure), in the Office Or Other Outpatient Setting Requiring Direct Patient Contact Beyond the Usual Service; First 30 Minutes (list Separately in Addition to Code for PreveG0513 | 36 | $58 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 26 | $107 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 80 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 293 | 112 |
| Levothyroxine Sodium | 177 | 57 |
| Amlodipine Besylate | 137 | 50 |
| Losartan Potassium | 136 | 47 |
| Lisinopril | 130 | 46 |
| Metformin Hcl | 105 | 42 |
| Gabapentin |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,813 across 98 records (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
- 2018-04-19
- Last updated
- 2021-08-03
- Certified
- 2021-08-03
Frequently asked questions
- What is Estela Rodriguez Alonso's NPI number?
- Estela Rodriguez Alonso's National Provider Identifier (NPI) is 1134616691, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Estela Rodriguez Alonso's specialty?
- Estela Rodriguez Alonso is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Estela Rodriguez Alonso located?
- Estela Rodriguez Alonso's practice location on file with NPPES is 1 Hospital Plz, Stamford, CT 06902-3602.
- What is Estela Rodriguez Alonso's phone number?
- The practice phone number listed in the NPPES registry for Estela Rodriguez Alonso is (203) 276-7147.
- Does Estela Rodriguez Alonso accept Medicare?
- Estela Rodriguez Alonso is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Estela Rodriguez Alonso's NPI active?
- Yes — Estela Rodriguez Alonso's NPI (1134616691) is active in the NPPES registry as of the last update on 2021-08-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.