TIASHI GREER MD
NPI 1619505930
Anesthesiology - Pain Medicine in Memphis, TN
About Tiashi Greer Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
TIASHI GREER MD (NPI 1619505930) is an individual pain medicine provider in Memphis, Tennessee, licensed in Tennessee (74048) and active in the NPI registry since March 2020. She is enrolled in Medicare PECOS, is affiliated with Baptist Memorial Hospital, and is a graduate of Ohio Medical University (2020).
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
Tiashi Greer 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
3Medicare enrollment records show Tiashi Greer reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Memphis, TN 38120
- Reassigned Medicare billing, Tennessee enrollment
- 17 clinicians in this Medicare group
Mobile, AL 36617
- Reassigned Medicare billing, Alabama enrollment
- 267 clinicians in this Medicare group
Knoxville, TN 37916
- Reassigned Medicare billing, Tennessee enrollment
- Medicare enrollment name: American Anesthesiology Of Tennessee PC
- 959 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.
Baptist Memorial Hospital
Acute Care Hospitals · Memphis, TNMethodist Hospitals Of Memphis
Acute Care Hospitals · Memphis, TNOther Providers at the Same Location NPPES 3
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
MEMPHIS, TN 38120
MEMPHIS, TN 38120
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 Tiashi Greer's NPI number?
The NPI number for Tiashi Greer is 1619505930. It was assigned to this individual provider in the NPPES registry on March 31, 2020.
Where is Tiashi Greer located?
Tiashi Greer practices at 55 Humphreys Center Dr, Memphis, TN 38120. The listed phone number is (901) 747-0040.
What is Tiashi Greer's specialty?
The primary specialty registered for this NPI is Anesthesiology, specializing in Pain Medicine, with taxonomy code 207LP2900X.
Is Tiashi Greer enrolled in Medicare?
Yes. Tiashi Greer 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 Tiashi Greer's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Tiashi Greer reassigns Medicare benefits to 3 organizations: Pain Clinic Associates PLLC (Memphis, TN), Usa Health Anesthesia Billing Services, LLC (Mobile, AL) and American Anesthesiology Of Tennessee, P.C. (Knoxville, TN). 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 Tiashi Greer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Tiashi Greer accept?
Health plans from BlueCross BlueShield of Tennessee, Cigna Healthcare, Oscar Health Plan, Inc. and Oscar Insurance Company list Tiashi Greer 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 Tiashi Greer affiliated with any hospitals?
According to CMS data, Tiashi Greer is affiliated with Baptist Memorial Hospital and Methodist Hospitals Of Memphis.
When was this NPI record last updated?
The NPPES record for Tiashi Greer was last updated on October 14, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.
# Tiashi Greer, MD · NPI 1619505930
Pain Medicine physician in Memphis, Tennessee. Individual provider, active in the CMS NPPES registry since March 31, 2020.
## Identity
- **NPI:** 1619505930 (Entity type: Individual)
- **Enumerated:** March 31, 2020
- **Primary specialty:** Anesthesiology - Pain Medicine · taxonomy 207LP2900X
- **State license:** 74048 (Tennessee)
- **Sole proprietor:** No
## Practice location
- **Address:** 55 HUMPHREYS CENTER DR, Memphis, TN 38120-2374
- **Phone:** (901) 747-0040
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): Pain Clinic Associates PLLC (NPI 1033286513, Memphis, TN); Usa Health Anesthesia Billing Services, LLC (NPI 1629635818, Mobile, AL); American Anesthesiology Of Tennessee, P.C. (NPI 1245279777, Knoxville, TN) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Ohio Medical University, class of 2020
## Record status
- **NPPES last updated:** October 14, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1619505930) · Data from the CMS NPPES public registry.