MARIA JOAN HAFERA
NPI 1184076218
Nurse Anesthetist, Certified Registered in Chattanooga, TN
About Maria Joan Hafera NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARIA JOAN HAFERA (NPI 1184076218) is an individual nurse anesthetist, certified registered in Chattanooga, Tennessee, licensed in Tennessee (APN21933) and active in the NPI registry since July 2016. She is affiliated with Memorial Healthcare System, Inc and is a graduate of Other (2016).
NPPES Registry Identity
Specialties & Licenses 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
Maria Joan Hafera 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 Maria Hafera reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Chattanooga, TN 37404
- Reassigned Medicare billing, Tennessee enrollment
- 144 clinicians in this Medicare group
Chattanooga, TN 37411
- Reassigned Medicare billing, Tennessee enrollment
- 570 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.
Memorial Healthcare System, Inc
Acute Care Hospitals · Chattanooga, TNParkridge Medical Center
Acute Care Hospitals · Chattanooga, TNPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 37403 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.
CHATTANOOGA, TN 37403
CHATTANOOGA, TN 37403
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 Maria Hafera's NPI number?
The NPI number for Maria Hafera is 1184076218. It was assigned to this individual provider in the NPPES registry on July 13, 2016.
Where is Maria Hafera located?
Maria Hafera practices at 975 E 3rd St, Chattanooga, TN 37403. The listed phone number is (423) 602-8400.
What is Maria Hafera's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is Maria Hafera enrolled in Medicare?
Yes. Maria Hafera 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 Maria Hafera's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Maria Hafera reassigns Medicare benefits to 3 organizations: Sweet Dreams Anesthesia Inc (Chattanooga, TN), Memorial Health Partners Foundation, Inc (Chattanooga, TN) 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 Maria Hafera's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Maria Hafera accept?
Health plans from Alliant Health Plans, Inc. list Maria Hafera 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 Maria Hafera affiliated with any hospitals?
According to CMS data, Maria Hafera is affiliated with Memorial Healthcare System, Inc and Parkridge Medical Center.
When was this NPI record last updated?
The NPPES record for Maria Hafera was last updated on October 11, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.
# Maria Joan Hafera · NPI 1184076218
Nurse Anesthetist, Certified Registered physician in Chattanooga, Tennessee. Individual provider, active in the CMS NPPES registry since July 13, 2016.
## Identity
- **NPI:** 1184076218 (Entity type: Individual)
- **Enumerated:** July 13, 2016
- **Primary specialty:** Nurse Anesthetist, Certified Registered · taxonomy 367500000X
- **State license:** APN21933 (Tennessee)
- **Sole proprietor:** No
## Practice location
- **Address:** 975 E 3RD ST, Chattanooga, TN 37403-2147
- **Phone:** (423) 602-8400 · **Fax:** (423) 602-8401
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** 3 organizations under Medicare reassignment (form CMS-855R): Sweet Dreams Anesthesia Inc (NPI 1508133497, Chattanooga, TN); Memorial Health Partners Foundation, Inc (NPI 1922053545, Chattanooga, TN); American Anesthesiology Of Tennessee, P.C. (NPI 1245279777, Knoxville, TN) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2016
## Record status
- **NPPES last updated:** October 11, 2016
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Source: [NPI Profile](https://npiprofile.com/npi/1184076218) · Data from the CMS NPPES public registry.