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Edit this profileAt a glance
- 2418 N Ashland Ave, Chicago, IL 60614
About Mayson Marcy
Mayson L. Marcy, PA-C is a physician assistant based in Chicago, IL. Medicare claims data shows Mayson provided 422 services to 384 patients. The services billed most often include established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, sarscv2 vac 30mcg trs-suc im, and admn sarscov2 vacc 1 dose. The provider's National Provider Identifier (NPI) is 1134828221.
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
- (773) 900-8330
- Email not available
Practice Locations
2418 N ASHLAND AVE
Chicago, IL 60614
Procedures Most Often Billed to Medicare
422 services · 384 patients · 9 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Removal of impacted ear wax | Procedure | 69210 |
12 | Less often than most peers in Physician Assistant |
| Sarscv2 vac 30mcg trs-suc im | Treatment | 91320 |
69 | More than most peers in Physician Assistant |
| Admn sarscov2 vacc 1 dose | Treatment | 90480 |
69 | More than most peers in Physician Assistant |
| Influenza vaccine split virus, preservative free | Treatment | 90662 |
62 | More 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 |
81 | As often as other peers in Physician Assistant |
| Administration of influenza virus vaccine | Billing code | G0008 |
61 | More than most peers in Physician Assistant |
| Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus and influenza | Lab test | 87428 |
32 | More often than most peers in Physician Assistant |
| Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more | Office visit | 99212 |
20 | As often as other peers in Physician Assistant |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
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.
Other physician assistants at this location 1
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 1
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 3
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 32 related providers in 4 groups
Other physician assistants in Chicago 8
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2022 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Removal of impacted ear wax 8
Providers in IL who bill this service to Medicare most often.
Common questions
What kind of doctor is Mayson L. Marcy?
Mayson L. Marcy is a physician assistant in Chicago, IL. That is the designation recorded for this NPI in the federal registry.
NPI registry
What is Mayson L. Marcy's address?
Mayson L. Marcy is listed at 2418 N Ashland Ave, Chicago, IL 60614. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Mayson L. Marcy?
The number on file is (773) 900-8330. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Mayson L. Marcy?
Mayson L. Marcy's National Provider Identifier is 1134828221. 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 Mayson L. Marcy train?
Mayson L. Marcy attended Other, graduating in 2022. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Mayson L. Marcy have?
Mayson L. Marcy has 4 years experience. Calculated from a graduation year of 2022, reported in the CMS National Downloadable File.
CMS public data
What procedures does Mayson L. Marcy perform?
According to Medicare billing data, Mayson L. Marcy performs procedures including removal of impacted ear wax; provides treatments such as sarscv2 vac 30mcg trs-suc im and admn sarscov2 vacc 1 dose, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Mayson L. Marcy's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Mayson L. Marcy. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.