ALLISON MICHELLE BLATZ MD
NPI 1922454792
Pediatrics - Pediatric Infectious Diseases in Wilmington, DE
About Allison Michelle Blatz Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ALLISON MICHELLE BLATZ MD (NPI 1922454792) is an individual pediatric infectious diseases provider in Wilmington, Delaware, licensed in Delaware (C1-0026302) and active in the NPI registry since May 2016. She is enrolled in Medicare PECOS, is affiliated with Johns Hopkins All Children's Hospital, and is a graduate of George Washington University School Of Medicine (2016).
NPPES Registry Identity
Specialties & Licenses
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
Allison Michelle Blatz Md 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 Reassignment
Medicare enrollment records show Allison Blatz reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
St Petersburg, FL 33701
- Reassigned Medicare billing, Florida enrollment
- 360 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Johns Hopkins All Children's Hospital
Childrens · Saint Petersburg, FLOther Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
WILMINGTON, DE 19803
WILMINGTON, DE 19803
WILMINGTON, DE 19803
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 Blatz's NPI number?
The NPI number for Allison Blatz is 1922454792. It was assigned to this individual provider in the NPPES registry on May 10, 2016.
Where is Allison Blatz located?
Allison Blatz practices at 1600 Rockland Rd, Wilmington, DE 19803. The listed phone number is (302) 651-4200.
What is Allison Blatz's specialty?
The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Infectious Diseases, with taxonomy code 2080P0208X.
Is Allison Blatz enrolled in Medicare?
Yes. Allison Blatz 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 organization bills Medicare for Allison Blatz's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Allison Blatz reassigns Medicare benefits to Pediatric Physician Services, Inc. (St Petersburg, FL). The 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 Blatz's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Allison Blatz accept?
Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from NH Healthy Families, Ambetter from Sunflower Health Plan and Cigna HealthCare of Florida, Inc. and 2 other insurers list Allison Blatz 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.
Is Allison Blatz affiliated with any hospitals?
According to CMS data, Allison Blatz is affiliated with Johns Hopkins All Children's Hospital.
When was this NPI record last updated?
The NPPES record for Allison Blatz was last updated on November 28, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Allison Michelle Blatz, MD · NPI 1922454792
Pediatric Infectious Diseases physician in Wilmington, Delaware. Individual provider, active in the CMS NPPES registry since May 10, 2016.
## Identity
- **NPI:** 1922454792 (Entity type: Individual)
- **Enumerated:** May 10, 2016
- **Primary specialty:** Pediatrics - Pediatric Infectious Diseases · taxonomy 2080P0208X
- **State license:** C1-0026302 (Delaware)
- **Sole proprietor:** No
## Practice location
- **Address:** 1600 ROCKLAND RD, Wilmington, DE 19803-3607
- **Phone:** (302) 651-4200 · **Fax:** (302) 651-4945
## 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:** Pediatric Physician Services, Inc. (NPI 1770532798, St Petersburg, FL), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** George Washington University School Of Medicine, class of 2016
## Record status
- **NPPES last updated:** November 28, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1922454792) · Data from the CMS NPPES public registry.