MRS. ALLISON ROSE HAMMER NP
NPI 1508191750
Nurse Practitioner - Pediatrics in Indianapolis, IN
About Mrs. Allison Rose Hammer Np NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MRS. ALLISON ROSE HAMMER NP (NPI 1508191750) is an individual pediatrics provider in Indianapolis, Indiana, licensed in Indiana (71009074A) and active in the NPI registry since October 2009. She is enrolled in Medicare PECOS, maintains a secondary practice location in Chicago, and is a graduate of Other (2008).
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Secondary Practice Location 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Mrs. Allison Rose Hammer Np is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
3Medicare enrollment records show Allison Hammer reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Indianapolis, IN 46202
- Reassigned Medicare billing, Indiana enrollment
- 62 clinicians in this Medicare group
Indianapolis, IN 46202
- Reassigned Medicare billing, Indiana enrollment
- 1,781 clinicians in this Medicare group
Indianapolis, IN 46202
- Reassigned Medicare billing, Indiana enrollment
- 5,212 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 46202 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Allison Hammer's NPI number?
The NPI number for Allison Hammer is 1508191750. It was assigned to this individual provider in the NPPES registry on October 6, 2009. The provider is also known as Ms. Allison Danielle Rose Cpnp.
Where is Allison Hammer located?
Allison Hammer practices at 575 Riley Hospital Dr Ste 2240, Indianapolis, IN 46202. The listed phone number is (317) 944-8620.
What is Allison Hammer's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Pediatrics, with taxonomy code 363LP0200X.
Is Allison Hammer enrolled in Medicare?
Yes. Allison Hammer is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Allison Hammer's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Allison Hammer reassigns Medicare benefits to 3 organizations: University Otolaryngology Associates, Inc. (Indianapolis, IN), Indiana University Health Care Associates, Inc (Indianapolis, IN) and Iu Health Medical Group, LLC (Indianapolis, IN). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Allison Hammer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Allison Hammer accept?
Health plans from Anthem Blue Cross and Blue Shield, CareSource, Cigna Healthcare and UnitedHealthcare list Allison Hammer as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Allison Hammer was last updated on January 18, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Mrs. Allison Rose Hammer, NP · NPI 1508191750
Pediatrics physician in Indianapolis, Indiana. Individual provider, active in the CMS NPPES registry since October 6, 2009.
## Identity
- **NPI:** 1508191750 (Entity type: Individual)
- **Enumerated:** October 6, 2009
- **Primary specialty:** Nurse Practitioner - Pediatrics · taxonomy 363LP0200X
- **State license:** 71009074A (Indiana)
- **Sole proprietor:** No
## Practice location
- **Address:** 575 RILEY HOSPITAL DR STE 2240, Indianapolis, IN 46202-5272
- **Phone:** (317) 944-8620
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 3 organizations under Medicare reassignment (form CMS-855R): University Otolaryngology Associates, Inc. (NPI 1275563447, Indianapolis, IN); Indiana University Health Care Associates, Inc (NPI 1902032832, Indianapolis, IN); Iu Health Medical Group, LLC (NPI 1326893777, Indianapolis, IN) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2008
## Record status
- **NPPES last updated:** January 18, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1508191750) · Data from the CMS NPPES public registry.