DR. MICHAEL JOSHUA HAMILTON DO
NPI 1437809019
Emergency Medicine in West Reading, PA
About Dr. Michael Joshua Hamilton Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MICHAEL JOSHUA HAMILTON DO (NPI 1437809019) is an individual emergency medicine provider in West Reading, Pennsylvania, licensed in Pennsylvania (OS023584) and active in the NPI registry since March 2022. He is enrolled in Medicare PECOS, is affiliated with Berkeley Medical Center, and is a graduate of Other (2022).
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
Dr. Michael Joshua Hamilton Do 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
5Medicare enrollment records show Michael Hamilton reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
West Reading, PA 19611
- Reassigned Medicare billing, Pennsylvania enrollment
- 1,473 clinicians in this Medicare group
Pottstown, PA 19465
- Reassigned Medicare billing, Pennsylvania enrollment
- 474 clinicians in this Medicare group
Limerick, PA 19468
- Reassigned Medicare billing, Pennsylvania enrollment
- 529 clinicians in this Medicare group
Martinsburg, WV 25401
- Reassigned Medicare billing, West Virginia enrollment
- 231 clinicians in this Medicare group
Keyser, WV 26726
- Reassigned Medicare billing, West Virginia enrollment
- Medicare enrollment name: Potomac Valley Hospital Of W Va, Inc
- 147 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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Berkeley Medical Center
Acute Care Hospitals · Martinsburg, WVPotomac Valley Hospital
Critical Access Hospitals · Keyser, WVPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 19611 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
WEST READING, PA 19611
WEST READING, PA 19611
WEST READING, PA 19611
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 Michael Hamilton's NPI number?
The NPI number for Michael Hamilton is 1437809019. It was assigned to this individual provider in the NPPES registry on March 25, 2022.
Where is Michael Hamilton located?
Michael Hamilton practices at 420 S 5th Ave, West Reading, PA 19611. The listed phone number is (484) 628-3637.
What is Michael Hamilton's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Michael Hamilton enrolled in Medicare?
Yes. Michael Hamilton 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 Michael Hamilton's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Michael Hamilton reassigns Medicare benefits to 5 organizations: Tower Health Medical Group (West Reading, PA), Pottstown Clinic Company LLC (Pottstown, PA), Phoenixville Clinic Company LLC (Limerick, PA), City Hospital, Inc. (Martinsburg, WV) and Potomac Valley Hospital Of Wv, Inc. (Keyser, WV). 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 Michael Hamilton's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Michael Hamilton accept?
Health plans from CareSource list Michael Hamilton 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 Michael Hamilton affiliated with any hospitals?
According to CMS data, Michael Hamilton is affiliated with Berkeley Medical Center and Potomac Valley Hospital.
When was this NPI record last updated?
The NPPES record for Michael Hamilton was last updated on July 24, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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. Michael Joshua Hamilton, DO · NPI 1437809019
Emergency Medicine physician in West Reading, Pennsylvania. Individual provider, active in the CMS NPPES registry since March 25, 2022.
## Identity
- **NPI:** 1437809019 (Entity type: Individual)
- **Enumerated:** March 25, 2022
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** OS023584 (Pennsylvania)
- **Sole proprietor:** No
## Practice location
- **Address:** 420 S 5TH AVE, West Reading, PA 19611-2143
- **Phone:** (484) 628-3637
## 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:** 5 organizations under Medicare reassignment (form CMS-855R): Tower Health Medical Group (NPI 1063589273, West Reading, PA); Pottstown Clinic Company LLC (NPI 1649341934, Pottstown, PA); Phoenixville Clinic Company LLC (NPI 1790746345, Limerick, PA); City Hospital, Inc. (NPI 1194141499, Martinsburg, WV); Potomac Valley Hospital Of Wv, Inc. (NPI 1578305256, Keyser, WV) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2022
## Record status
- **NPPES last updated:** July 24, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1437809019) · Data from the CMS NPPES public registry.