Allison Hammer, NP
NPI 1508191750 · Pediatric Nurse Practitioner · Indianapolis, IN
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Allison Hammer, NP is a Pediatric Nurse Practitioner provider in Indianapolis, IN (NPI 1508191750).
Provider details
- NPI number
- 1508191750
- Entity type
- Individual
- Primary specialty
- Pediatric Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP
- Sex
- Female
- Sole proprietor
- No
- License
- 209.007786 (IL)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
16 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
2 documented practice locations
- 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.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$133 across 2 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
Additional practice locations (1)
- 225 E Chicago AveBox 25Chicago, IL 60611-2991Phone: (312) 227-6230
Registry dates
- Enumerated
- 2009-10-06
- Last updated
- 2021-01-18
- Certified
- 2021-01-18
Frequently asked questions
- What is Allison Hammer's NPI number?
- Allison Hammer's National Provider Identifier (NPI) is 1508191750, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Allison Hammer's specialty?
- Allison Hammer is listed in the NPPES registry with a primary specialty of Pediatric Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Allison Hammer located?
- Allison Hammer's practice location on file with NPPES is 575 Riley Hospital Dr Ste 2240, Indianapolis, IN 46202-5272.
- What is Allison Hammer's phone number?
- The practice phone number listed in the NPPES registry for Allison Hammer is (317) 944-8620.
- Does Allison Hammer accept Medicare?
- Allison Hammer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Allison Hammer's NPI active?
- Yes — Allison Hammer's NPI (1508191750) is active in the NPPES registry as of the last update on 2021-01-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.