Provider Profile
Rhiannon Mazenis, PA-C
Unclaimed ProfileAbout Rhiannon Mazenis
Rhiannon Mazenis, PA-C is a physician assistant based in Oak Forest, IL. Medicare claims data shows Rhiannon provided 318 services to 242 patients. The services billed most often include established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, and care management services for behavioral health conditions, 20 minutes or more clinical staff time directed by health care professional. The provider's National Provider Identifier (NPI) is 1669563805.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (708) 798-8112
- Email not available
Practice Locations
5320 159TH ST SUITE 400
Oak Forest, IL 60452
Procedures Most Often Billed to Medicare
318 services · 242 patients · 4 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
163 | More often than most peers in Physician Assistant |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
93 | More often than most peers in Physician Assistant |
| Care management services for behavioral health conditions, 20 minutes or more clinical staff time directed by health care professional | Office visit | 99484 |
46 | As often as other peers in Physician Assistant |
| Chronic pain management and treatment, monthly bundle including, diagnosis; assessment and monitoring; administration of a validated pain rating scale or tool; the development, implementation, revision, and/or maintenance of a person-centered care plan th | Billing code | G3002 |
16 | Less often than most peers in Physician Assistant |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other physician assistants in Oak Forest 2
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
More connections — 8 related providers in 1 group
Class of 2005 at Other 8
Providers who graduated from the same medical school in the same year.
Common questions
What does Rhiannon Mazenis specialize in?
Rhiannon Mazenis is a physician assistant in Oak Forest, IL. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is Rhiannon Mazenis located?
Rhiannon Mazenis is listed at 5320 159Th St Suite 400, Oak Forest, IL 60452. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Rhiannon Mazenis's phone number?
The number on file is (708) 798-8112. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Rhiannon Mazenis?
Rhiannon Mazenis's National Provider Identifier is 1669563805. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Rhiannon Mazenis train?
Rhiannon Mazenis attended Other, graduating in 2005. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Rhiannon Mazenis have?
Rhiannon Mazenis has 21 years experience. Calculated from a graduation year of 2005, reported in the CMS National Downloadable File.
CMS public data
What does Rhiannon Mazenis do most often?
According to Medicare billing data, Rhiannon Mazenis the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Rhiannon Mazenis's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Rhiannon Mazenis. If this is you, claiming it is free.
Guide.md
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