DR. WESLEY K GREYDANUS M.D.
NPI 1366470353
Anesthesiology in San Antonio, TX
About Dr. Wesley K Greydanus M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. WESLEY K GREYDANUS M.D. (NPI 1366470353) is an individual anesthesiology provider in San Antonio, Texas, licensed in Washington (MD00024790) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS, is affiliated with Chi St Lukes Health Memorial Lufkin, and is a graduate of Medical College Of Wisconsin (1984).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 6
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. Wesley K Greydanus 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
9Medicare enrollment records show Wesley Greydanus reassigns Medicare billing to 9 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
San Antonio, TX 78258
- Reassigned Medicare billing, Texas enrollment
- 144 clinicians in this Medicare group
San Antonio, TX 78229
- Reassigned Medicare billing, Texas enrollment
- 23 clinicians in this Medicare group
Corpus Christi, TX 78412
- Reassigned Medicare billing, Texas enrollment
- 740 clinicians in this Medicare group
Fort Worth, TX 76109
- Reassigned Medicare billing, Texas enrollment
- 1,612 clinicians in this Medicare group
Arlington, TX 76006
- Reassigned Medicare billing, Texas enrollment
- 1,164 clinicians in this Medicare group
Southlake, TX 76092
- Reassigned Medicare billing, Texas enrollment
- 195 clinicians in this Medicare group
Richland, WA 99352
- Reassigned Medicare billing, Washington enrollment
- 172 clinicians in this Medicare group
Puyallup, WA 98372
- Reassigned Medicare billing, Washington enrollment
- 14 clinicians in this Medicare group
Anchorage, AK 99508
- Reassigned Medicare billing, Texas enrollment
- 1,373 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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Chi St Lukes Health Memorial Lufkin
Acute Care Hospitals · Lufkin, TXCorpus Christi Medical Center,the
Acute Care Hospitals · Corpus Christi, TXMedicare 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
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.
SAN ANTONIO, TX 78232
SAN ANTONIO, TX 78232
SAN ANTONIO, TX 78232
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 Wesley Greydanus's NPI number?
The NPI number for Wesley Greydanus is 1366470353. It was assigned to this individual provider in the NPPES registry on June 29, 2006.
Where is Wesley Greydanus located?
Wesley Greydanus practices at 16607 Blanco Rd Suite #603, San Antonio, TX 78232. The listed phone number is (210) 485-1850.
What is Wesley Greydanus's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Wesley Greydanus enrolled in Medicare?
Yes. Wesley Greydanus 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 Wesley Greydanus's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Wesley Greydanus reassigns Medicare benefits to 9 organizations: Lone Star Anesthesia Partners PLLC (San Antonio, TX), South Texas Anesthesia Group PLLC (San Antonio, TX), Northstar Anesthesia III PA (Corpus Christi, TX), Emergenchealth PLLC (Fort Worth, TX), Northstar Anesthesia, PA (Arlington, TX) and 4 more organizations, listed in the Medicare section above. 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 Wesley Greydanus's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Wesley Greydanus accept?
Health plans from Blue Cross and Blue Shield of Texas, CHRISTUS Health Plan, Community First, Molina Healthcare and Oscar Insurance Company list Wesley Greydanus 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 Wesley Greydanus affiliated with any hospitals?
According to CMS data, Wesley Greydanus is affiliated with Chi St Lukes Health Memorial Lufkin and Corpus Christi Medical Center,the.
When was this NPI record last updated?
The NPPES record for Wesley Greydanus was last updated on July 17, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.
# Dr. Wesley K Greydanus, M.D. · NPI 1366470353
Anesthesiology physician in San Antonio, Texas. Individual provider, active in the CMS NPPES registry since June 29, 2006.
## Identity
- **NPI:** 1366470353 (Entity type: Individual)
- **Enumerated:** June 29, 2006
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** MD00024790 (Washington)
- **Sole proprietor:** No
## Practice location
- **Address:** 16607 BLANCO RD, SUITE #603, San Antonio, TX 78232-1941
- **Phone:** (210) 485-1850 · **Fax:** (210) 493-9500
## 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:** 9 organizations under Medicare reassignment (form CMS-855R): Lone Star Anesthesia Partners PLLC (NPI 1124760996, San Antonio, TX); South Texas Anesthesia Group PLLC (NPI 1427435387, San Antonio, TX); Northstar Anesthesia III PA (NPI 1356968952, Corpus Christi, TX); Emergenchealth PLLC (NPI 1467970897, Fort Worth, TX); Northstar Anesthesia, PA (NPI 1912978610, Arlington, TX); and 4 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Medical College Of Wisconsin, class of 1984
## Record status
- **NPPES last updated:** July 17, 2009
- **Other identifiers:** Medicaid 1037654 (WA); Medicare ID-Type Unspecified 050085728; Medicare UPIN A06343; and 3 more
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Source: [NPI Profile](https://npiprofile.com/npi/1366470353) · Data from the CMS NPPES public registry.