MRS. MARCY G. O'BRIEN M.A. CCC-A, F-AAA
NPI 1659551315
Audiologist in Lakeland, FL
About Mrs. Marcy G. O'brien M.a. Ccc-a, F-aaa NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MRS. MARCY G. O'BRIEN M.A. CCC-A, F-AAA (NPI 1659551315) is an individual audiologist in Lakeland, Florida, licensed in Florida (AY265) and active in the NPI registry since November 2007. She is a graduate of Saginaw Valley Medical College - Nlg (2010).
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
Mrs. Marcy G. O'brien M.a. Ccc-a, F-aaa 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 Reassignment
Medicare enrollment records show Marcy O'brien reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Boca Raton, FL 33487
- Reassigned Medicare billing, Florida enrollment
- 211 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 33805 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 6
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Marcy O'brien's NPI number?
The NPI number for Marcy O'brien is 1659551315. It was assigned to this individual provider in the NPPES registry on November 10, 2007.
Where is Marcy O'brien located?
Marcy O'brien practices at 515 E Garden St, Lakeland, FL 33805. The listed phone number is (863) 683-5454.
What is Marcy O'brien's specialty?
The primary specialty registered for this NPI is Audiologist with taxonomy code 231H00000X.
Is Marcy O'brien enrolled in Medicare?
Yes. Marcy O'brien 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 organization bills Medicare for Marcy O'brien's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Marcy O'brien reassigns Medicare benefits to Ent And Allergy Associates Of Florida, LLC (Boca Raton, FL). The 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 Marcy O'brien's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Marcy O'brien accept?
Health plans from Cigna HealthCare of Florida, Inc. and Cigna Healthcare list Marcy O'brien 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 Marcy O'brien was last updated on November 10, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.
# Mrs. Marcy G. O'brien, M.A. CCC-A, F-AAA · NPI 1659551315
Audiologist provider in Lakeland, Florida. Individual provider, active in the CMS NPPES registry since November 10, 2007.
## Identity
- **NPI:** 1659551315 (Entity type: Individual)
- **Enumerated:** November 10, 2007
- **Primary specialty:** Audiologist · taxonomy 231H00000X
- **State license:** AY265 (Florida)
- **Sole proprietor:** No
## Practice location
- **Address:** 515 E GARDEN ST, Lakeland, FL 33805-4615
- **Phone:** (863) 683-5454 · **Fax:** (863) 683-4652
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** Ent And Allergy Associates Of Florida, LLC (NPI 1164473120, Boca Raton, FL), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Saginaw Valley Medical College - Nlg, class of 2010
## Record status
- **NPPES last updated:** November 10, 2007
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Source: [NPI Profile](https://npiprofile.com/npi/1659551315) · Data from the CMS NPPES public registry.