DR. HOLLY CONSTANCE ELSER MD, PHD
NPI 1396329454
Psychiatry & Neurology - Neurology in Philadelphia, PA
About Dr. Holly Constance Elser Md, Phd NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. HOLLY CONSTANCE ELSER MD, PHD (NPI 1396329454) is an individual neurology provider in Philadelphia, Pennsylvania, licensed in Pennsylvania (MD488359) and active in the NPI registry since May 2021. She is enrolled in Medicare PECOS, is affiliated with Hospital Of Univ Of Pennsylvania, and maintains a secondary practice location in Philadelphia.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
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
Dr. Holly Constance Elser Md, Phd 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 Holly Elser reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Philadelphia, PA 19107
- Reassigned Medicare billing, Pennsylvania enrollment
- 3,488 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.
Hospital Of Univ Of Pennsylvania
Acute Care Hospitals · Philadelphia, PAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 19107 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 8
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
PHILADELPHIA, PA 19107
PHILADELPHIA, PA 19107
PHILADELPHIA, PA 19107
PHILADELPHIA, PA 19107
PHILADELPHIA, PA 19107
PHILADELPHIA, PA 19107
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 Holly Elser's NPI number?
The NPI number for Holly Elser is 1396329454. It was assigned to this individual provider in the NPPES registry on May 5, 2021.
Where is Holly Elser located?
Holly Elser practices at 330 South Ninth Street, Philadelphia, PA 19107. The listed phone number is (215) 662-3606.
What is Holly Elser's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology, with taxonomy code 2084N0400X.
Is Holly Elser enrolled in Medicare?
Yes. Holly Elser 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 Holly Elser's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Holly Elser reassigns Medicare benefits to University Of Penn-Medical Group (Philadelphia, PA). 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 Holly Elser's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Holly Elser affiliated with any hospitals?
According to CMS data, Holly Elser is affiliated with Hospital Of Univ Of Pennsylvania.
When was this NPI record last updated?
The NPPES record for Holly Elser was last updated on July 17, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months 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.
# Dr. Holly Constance Elser, MD, PHD · NPI 1396329454
Neurology physician in Philadelphia, Pennsylvania. Individual provider, active in the CMS NPPES registry since May 5, 2021.
## Identity
- **NPI:** 1396329454 (Entity type: Individual)
- **Enumerated:** May 5, 2021
- **Primary specialty:** Psychiatry & Neurology - Neurology · taxonomy 2084N0400X
- **State license:** MD488359 (Pennsylvania)
- **Sole proprietor:** No
## Practice location
- **Address:** 330 SOUTH NINTH STREET, Philadelphia, PA 19107-6103
- **Phone:** (215) 662-3606 · **Fax:** (215) 829-6606
## 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:** University Of Penn-Medical Group (NPI 1669860854, Philadelphia, PA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2021
## Record status
- **NPPES last updated:** July 17, 2026
---
Source: [NPI Profile](https://npiprofile.com/npi/1396329454) · Data from the CMS NPPES public registry.