DR. NATHANIEL ROBERTSON M.D.
NPI 1831577345
Internal Medicine in Philadelphia, PA
About Dr. Nathaniel Robertson M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. NATHANIEL ROBERTSON M.D. (NPI 1831577345) is an individual internal medicine provider in Philadelphia, Pennsylvania, licensed in Pennsylvania (MT208510) and active in the NPI registry since May 2015. He is enrolled in Medicare PECOS, is affiliated with Reading Hospital, and is a graduate of Temple University School Of Medicine (2015).
NPPES Registry Identity
Specialties & Licenses
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. Nathaniel Robertson M.d. 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 Nathaniel Robertson reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Phoenixville, PA 19460
- Reassigned Medicare billing, Pennsylvania enrollment
- 529 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.
Areas of Expertise CMS Part B claims 3
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Reading Hospital
Acute Care Hospitals · West Reading, PAPottstown Hospital
Acute Care Hospitals · Pottstown, PAPhoenixville Hospital
Acute Care Hospitals · Phoenixville, PAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 19140 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Referred Medical Equipment & Supplies CMS DME claims
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
PHILADELPHIA, PA 19140
PHILADELPHIA, PA 19140
PHILADELPHIA, PA 19140
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 Nathaniel Robertson's NPI number?
The NPI number for Nathaniel Robertson is 1831577345. It was assigned to this individual provider in the NPPES registry on May 16, 2015.
Where is Nathaniel Robertson located?
Nathaniel Robertson practices at 3401 N Broad St, Philadelphia, PA 19140. The listed phone number is (215) 707-2000.
What is Nathaniel Robertson's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Nathaniel Robertson enrolled in Medicare?
Yes. Nathaniel Robertson 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 Nathaniel Robertson's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Nathaniel Robertson reassigns Medicare benefits to Phoenixville Clinic Company LLC (Phoenixville, 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 Nathaniel Robertson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Nathaniel Robertson affiliated with any hospitals?
According to CMS data, Nathaniel Robertson is affiliated with Reading Hospital, Pottstown Hospital and Phoenixville Hospital.
When was this NPI record last updated?
The NPPES record for Nathaniel Robertson was last updated on July 18, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.
# Dr. Nathaniel Robertson, M.D. · NPI 1831577345
Internal Medicine physician in Philadelphia, Pennsylvania. Individual provider, active in the CMS NPPES registry since May 16, 2015.
## Identity
- **NPI:** 1831577345 (Entity type: Individual)
- **Enumerated:** May 16, 2015
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** MT208510 (Pennsylvania)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 3401 N BROAD ST, Philadelphia, PA 19140-5103
- **Phone:** (215) 707-2000
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health
- **Bills Medicare through:** Phoenixville Clinic Company LLC (NPI 1275173957, Phoenixville, PA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Temple University School Of Medicine, class of 2015
## Record status
- **NPPES last updated:** July 18, 2017
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Source: [NPI Profile](https://npiprofile.com/npi/1831577345) · Data from the CMS NPPES public registry.