Ann Esquivel, M.D.
NPI 1457642597 · Allergy & Immunology Physician · Zionsville, IN
Enrolled with Medicare as Practitioner - Allergy/Immunology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ann Esquivel, M.D. is a Allergy & Immunology Physician provider in Zionsville, IN (NPI 1457642597).
Provider details
- NPI number
- 1457642597
- Entity type
- Individual
- Primary specialty
- Allergy & Immunology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 01076622A (IN)
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 tenure25% of score
15 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
5,786 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) |
|---|---|---|
| Test for Allergy Using Allergenic Extract95004 | 2,399 | $3 |
| Professional Service for Preparation and Provision of 1 Or More Antigens95165 | 1,430 | $13 |
| Professional Service for Multiple Injections of Allergen95117 | 1,063 | $11 |
| Test for Allergy Using Allergenic Extract Injected Into Skin95024 | 703 | $7 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 87 | $119 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 36 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 24 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Montelukast Sodium | 217 | 68 |
| Fluticasone Propionate | 96 | 38 |
| Ipratropium Bromide | 85 | 33 |
| Famotidine | 80 | 26 |
| Epinephrine | 67 | 53 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 63 | 39 |
| Levocetirizine Dihydrochloride | 34 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$344 across 16 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
- 2011-04-24
- Last updated
- 2021-03-12
- Certified
- 2021-03-12
Frequently asked questions
- What is Ann Esquivel's NPI number?
- Ann Esquivel's National Provider Identifier (NPI) is 1457642597, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ann Esquivel's specialty?
- Ann Esquivel is listed in the NPPES registry with a primary specialty of Allergy & Immunology Physician (Allopathic & Osteopathic Physicians).
- Where is Ann Esquivel located?
- Ann Esquivel's practice location on file with NPPES is 4400 Weston Pointe Dr Ste 150, Zionsville, IN 46077-7205.
- What is Ann Esquivel's phone number?
- The practice phone number listed in the NPPES registry for Ann Esquivel is (317) 732-4046.
- Does Ann Esquivel accept Medicare?
- Ann Esquivel is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ann Esquivel's NPI active?
- Yes — Ann Esquivel's NPI (1457642597) is active in the NPPES registry as of the last update on 2021-03-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.