DR. VIVIAN N PHAM MD
NPI 1700454907
Emergency Medicine in Greenville, SC
About Dr. Vivian N Pham Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. VIVIAN N PHAM MD (NPI 1700454907) is an individual emergency medicine provider in Greenville, South Carolina, licensed in South Carolina (96647) and active in the NPI registry since June 2021. She is enrolled in Medicare PECOS, is affiliated with Christian Hospital Northeast, and maintains a secondary practice location in Saint Louis.
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. Vivian N Pham 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 Reassignments
4Medicare enrollment records show Vivian Pham reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Greenville, SC 29605
- Reassigned Medicare billing, South Carolina enrollment
- 3,281 clinicians in this Medicare group
Festus, MO 63028
- Reassigned Medicare billing, Missouri enrollment
- 118 clinicians in this Medicare group
Saint Louis, MO 63136
- Reassigned Medicare billing, Missouri enrollment
- 114 clinicians in this Medicare group
Alton, IL 62002
- Reassigned Medicare billing, Missouri enrollment
- 343 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
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 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Christian Hospital Northeast
Acute Care Hospitals · Saint Louis, MOBarnes-Jewish St Peters Hospital
Acute Care Hospitals · Saint Peters, MOProgress West Hospital
Acute Care Hospitals · O Fallon, MOPrisma Health Oconee Memorial Hospital
Acute Care Hospitals · Seneca, SCPrisma Health Greer Memorial Hospital
Acute Care Hospitals · Spartanburg, SCPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 29605 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.
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 Vivian Pham's NPI number?
The NPI number for Vivian Pham is 1700454907. It was assigned to this individual provider in the NPPES registry on June 14, 2021.
Where is Vivian Pham located?
Vivian Pham practices at 701 Grove Rd Fl 1, Greenville, SC 29605. The listed phone number is (864) 455-7899.
What is Vivian Pham's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Vivian Pham enrolled in Medicare?
Yes. Vivian Pham 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 Vivian Pham's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Vivian Pham reassigns Medicare benefits to 4 organizations: Prisma Health University Medical Group (Greenville, SC), Mercy Hospital Jefferson (Festus, MO), Washington University Community Specialists, LLC (Saint Louis, MO) and Southeastern Emergency Physicians Of Memphis LLC (Alton, IL). 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 Vivian Pham's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Vivian Pham affiliated with any hospitals?
According to CMS data, Vivian Pham is affiliated with Christian Hospital Northeast, Barnes-Jewish St Peters Hospital, Progress West Hospital, Prisma Health Oconee Memorial Hospital and Prisma Health Greer Memorial Hospital.
When was this NPI record last updated?
The NPPES record for Vivian Pham was last updated on July 21, 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. Vivian N Pham, MD · NPI 1700454907
Emergency Medicine physician in Greenville, South Carolina. Individual provider, active in the CMS NPPES registry since June 14, 2021.
## Identity
- **NPI:** 1700454907 (Entity type: Individual)
- **Enumerated:** June 14, 2021
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 96647 (South Carolina)
- **Sole proprietor:** No
## Practice location
- **Address:** 701 GROVE RD FL 1, Greenville, SC 29605-4210
- **Phone:** (864) 455-7899 · **Fax:** (864) 455-5474
## 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:** 4 organizations under Medicare reassignment (form CMS-855R): Prisma Health University Medical Group (NPI 1053786483, Greenville, SC); Mercy Hospital Jefferson (NPI 1508859661, Festus, MO); Washington University Community Specialists, LLC (NPI 1922812254, Saint Louis, MO); Southeastern Emergency Physicians Of Memphis LLC (NPI 1437105277, Alton, IL) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2021
## Record status
- **NPPES last updated:** July 21, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1700454907) · Data from the CMS NPPES public registry.