PETER S HWANG M.D.
NPI 1922325273
Hospitalist in Birmingham, AL
About Peter S Hwang M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
PETER S HWANG M.D. (NPI 1922325273) is an individual hospitalist provider in Birmingham, Alabama, licensed in Alabama (31367) and active in the NPI registry since April 2010. He is enrolled in Medicare PECOS and is a graduate of Emory University School Of Medicine (2003).
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
Peter S Hwang 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 Reassignments
2Medicare enrollment records show Peter Hwang reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Birmingham, AL 35205
- Reassigned Medicare billing, Alabama enrollment
- 263 clinicians in this Medicare group
Baton Rouge, LA 70816
- Reassigned Medicare billing, Alabama enrollment
- 229 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 6
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 35249 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.
Reported Quality Measures
Referred Medical Equipment & Supplies CMS DME claims 2
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.
BIRMINGHAM, AL 35249
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 Peter Hwang's NPI number?
The NPI number for Peter Hwang is 1922325273. It was assigned to this individual provider in the NPPES registry on April 27, 2010.
Where is Peter Hwang located?
Peter Hwang practices at 619 19th St S, Birmingham, AL 35249. The listed phone number is (205) 934-9666.
What is Peter Hwang's specialty?
The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.
Is Peter Hwang enrolled in Medicare?
Yes. Peter Hwang 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 Peter Hwang's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Peter Hwang reassigns Medicare benefits to 2 organizations: Vincentian Physician Services LLC (Birmingham, AL) and Hospital Medicine Associates LLC (Baton Rouge, LA). 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 Peter Hwang's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Peter Hwang was last updated on March 14, 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.
# Peter S Hwang, M.D. · NPI 1922325273
Hospitalist physician in Birmingham, Alabama. Individual provider, active in the CMS NPPES registry since April 27, 2010.
## Identity
- **NPI:** 1922325273 (Entity type: Individual)
- **Enumerated:** April 27, 2010
- **Primary specialty:** Hospitalist · taxonomy 208M00000X
- **State license:** 31367 (Alabama)
- **Sole proprietor:** No
## Practice location
- **Address:** 619 19TH ST S, Birmingham, AL 35249-1900
- **Phone:** (205) 934-9666
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Vincentian Physician Services LLC (NPI 1851698310, Birmingham, AL); Hospital Medicine Associates LLC (NPI 1093758781, Baton Rouge, LA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Emory University School Of Medicine, class of 2003
## Record status
- **NPPES last updated:** March 14, 2017
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Source: [NPI Profile](https://npiprofile.com/npi/1922325273) · Data from the CMS NPPES public registry.