GRETCHEN SUZANNE MONTGOMERY MD
NPI 1932145067
Emergency Medicine in Jackson, MS
About Gretchen Suzanne Montgomery Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
GRETCHEN SUZANNE MONTGOMERY MD (NPI 1932145067) is an individual emergency medicine provider in Jackson, Mississippi, licensed in Mississippi (18545) and active in the NPI registry since June 2006. She is enrolled in Medicare PECOS, is affiliated with St Dominic-jackson Memorial Hospital, and maintains a secondary practice location in San Ramon.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Secondary Practice Location 1
Other Identifiers 1
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
Gretchen Suzanne Montgomery 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 Gretchen Montgomery reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Jackson, MS 39216
- Reassigned Medicare billing, Mississippi enrollment
- 31 clinicians in this Medicare group
Jackson, MS 39204
- Reassigned Medicare billing, Mississippi enrollment
- 99 clinicians in this Medicare group
Pasadena, TX 77505
- Reassigned Medicare billing, Texas enrollment
- 644 clinicians in this Medicare group
Pleasanton, CA 94588
- Reassigned Medicare billing, California enrollment
- 202 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 4
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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
St Dominic-Jackson Memorial Hospital
Acute Care Hospitals · Jackson, MSMerit Health River Oaks
Acute Care Hospitals · Flowood, MSPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 39216 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.
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.
JACKSON, MS 39216
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 Gretchen Montgomery's NPI number?
The NPI number for Gretchen Montgomery is 1932145067. It was assigned to this individual provider in the NPPES registry on June 20, 2006. The provider is also known as Gretchen Willock MD.
Where is Gretchen Montgomery located?
Gretchen Montgomery practices at 969 Lakeland Dr, Jackson, MS 39216. The listed phone number is (601) 200-6175.
What is Gretchen Montgomery's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Gretchen Montgomery enrolled in Medicare?
Yes. Gretchen Montgomery 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 Gretchen Montgomery's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Gretchen Montgomery reassigns Medicare benefits to 4 organizations: Relias Emergency Medicine Specialists Of St Dominic LLC (Jackson, MS), Jackson Hb Medical Services LLC (Jackson, MS), Integrative Emergency Services Physician Group-Houston PLLC (Pasadena, TX) and Team Physicians Of Northern California Medical Group Inc (Pleasanton, CA). 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 Gretchen Montgomery's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Gretchen Montgomery accept?
Health plans from Blue Cross and Blue Shield of Texas list Gretchen Montgomery 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 Gretchen Montgomery affiliated with any hospitals?
According to CMS data, Gretchen Montgomery is affiliated with St Dominic-Jackson Memorial Hospital and Merit Health River Oaks.
When was this NPI record last updated?
The NPPES record for Gretchen Montgomery was last updated on July 26, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Gretchen Suzanne Montgomery, MD · NPI 1932145067
Emergency Medicine physician in Jackson, Mississippi. Individual provider, active in the CMS NPPES registry since June 20, 2006.
## Identity
- **NPI:** 1932145067 (Entity type: Individual)
- **Enumerated:** June 20, 2006
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 18545 (Mississippi)
- **Sole proprietor:** No
## Practice location
- **Address:** 969 LAKELAND DR, Jackson, MS 39216-4606
- **Phone:** (601) 200-6175 · **Fax:** (601) 200-2020
## 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): Relias Emergency Medicine Specialists Of St Dominic LLC (NPI 1235808122, Jackson, MS); Jackson Hb Medical Services LLC (NPI 1184305856, Jackson, MS); Integrative Emergency Services Physician Group-Houston PLLC (NPI 1801458708, Pasadena, TX); Team Physicians Of Northern California Medical Group Inc (NPI 1649692716, Pleasanton, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Iowa, Rj & L Carver College Of Medicine, class of 2002
## Record status
- **NPPES last updated:** July 26, 2023
- **Other identifiers:** Medicaid 05957798 (MS)
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Source: [NPI Profile](https://npiprofile.com/npi/1932145067) · Data from the CMS NPPES public registry.