TERESA GRACE GIESZL NP
NPI 1740613819
Nurse Practitioner in La Mesa, CA
About Teresa Grace Gieszl Np NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
TERESA GRACE GIESZL NP (NPI 1740613819) is an individual nurse practitioner in La Mesa, California, licensed in California (23275) and active in the NPI registry since August 2013. She is enrolled in Medicare PECOS, maintains 4 additional practice locations, and is a graduate of Other (2013).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 4
Other Identifiers 2
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
Teresa Grace Gieszl Np 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
7Medicare enrollment records show Teresa Gieszl reassigns Medicare billing to 7 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
San Diego, CA 92111
- Reassigned Medicare billing, California enrollment
- 1,233 clinicians in this Medicare group
South San Francisco, CA 94080
- Reassigned Medicare billing, California enrollment
- 37 clinicians in this Medicare group
Austin, TX 78705
- Reassigned Medicare billing, Texas enrollment
- Medicare enrollment name: Dreem Sleep Clinic PA
- 18 clinicians in this Medicare group
Arlington, VA 22203
- Reassigned Medicare billing, District of Columbia enrollment
- 1,534 clinicians in this Medicare group
Miami, FL 33131
- Reassigned Medicare billing, Florida enrollment
- Medicare enrollment name: Dreem Health Sleep Clinic PA
- 27 clinicians in this Medicare group
Princeton, NJ 08540
- Reassigned Medicare billing, New Jersey enrollment
- Medicare enrollment name: Dreem Sleep Clinic Of New Jersey PC
- 12 clinicians in this Medicare group
New York, NY 10016
- Reassigned Medicare billing, New York enrollment
- 20 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 2
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 91942 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 13
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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 Teresa Gieszl's NPI number?
The NPI number for Teresa Gieszl is 1740613819. It was assigned to this individual provider in the NPPES registry on August 13, 2013.
Where is Teresa Gieszl located?
Teresa Gieszl practices at 8860 Center Dr Ste 240, La Mesa, CA 91942. The listed phone number is (619) 644-9315.
What is Teresa Gieszl's specialty?
The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.
Is Teresa Gieszl enrolled in Medicare?
Yes. Teresa Gieszl 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 Teresa Gieszl's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Teresa Gieszl reassigns Medicare benefits to 7 organizations: Sharp Rees-Stealy Medical Group, Inc (San Diego, CA), Dreem Sleep Clinic Of California (South San Francisco, CA), Dreem Sleep Clinic, P.A. (Austin, TX), Privia Medical Group, LLC (Arlington, VA), Dreem Health Sleep Clinic, P.A. (Miami, FL) and 2 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 Teresa Gieszl's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Teresa Gieszl accept?
Health plans from Blue Cross and Blue Shield of Texas list Teresa Gieszl 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.
When was this NPI record last updated?
The NPPES record for Teresa Gieszl was last updated on June 8, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Teresa Grace Gieszl, NP · NPI 1740613819
Nurse Practitioner physician in La Mesa, California. Individual provider, active in the CMS NPPES registry since August 13, 2013.
## Identity
- **NPI:** 1740613819 (Entity type: Individual)
- **Enumerated:** August 13, 2013
- **Primary specialty:** Nurse Practitioner · taxonomy 363L00000X
- **State license:** 23275 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 8860 CENTER DR STE 240, La Mesa, CA 91942-7000
- **Phone:** (619) 644-9315 · **Fax:** (619) 644-9318
## 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:** 7 organizations under Medicare reassignment (form CMS-855R): Sharp Rees-Stealy Medical Group, Inc (NPI 1285616177, San Diego, CA); Dreem Sleep Clinic Of California (NPI 1750049029, South San Francisco, CA); Dreem Sleep Clinic, P.A. (NPI 1437971611, Austin, TX); Privia Medical Group, LLC (NPI 1013042480, Arlington, VA); Dreem Health Sleep Clinic, P.A. (NPI 1497549158, Miami, FL); and 2 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2013
## Record status
- **NPPES last updated:** June 8, 2026
- **Other identifiers:** Other 23275 (CA); Other APRN11022494 (FL)
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Source: [NPI Profile](https://npiprofile.com/npi/1740613819) · Data from the CMS NPPES public registry.