Glennon Johnston, PA-C
NPI 1871830141 · Physician Assistant · Aurora, IL
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Glennon Johnston, PA-C is a Physician Assistant provider in Aurora, IL (NPI 1871830141).
Provider details
- NPI number
- 1871830141
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Male
- Sole proprietor
- No
- License
- 085004497 (IL)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
13 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
77 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Emergency Department Visit With Moderate Level of Medical Decision Making99284 | 44 | $106 |
| Emergency Department Visit With Low Level of Medical Decision Making99283 | 33 | $62 |
Typical Medicare-allowed amounts for these services range $62–$106 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Cephalexin | 33 | 32 |
| Prednisone | 32 | 31 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 27 | 26 |
| Methylprednisolone | 20 | 20 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 16 | 15 |
| Naproxen | 15 | 15 |
| Sulfamethoxazole/Trimethoprimbrand: Sulfamethoxazole-Trimethoprim |
Practice location
Mailing address
Additional practice locations (1)
- 303 W Lake StAddison, IL 60101-2586Phone: (630) 527-3645Fax: (331) 221-3983
Registry dates
- Enumerated
- 2013-01-07
- Last updated
- 2025-12-02
- Certified
- 2025-12-02
Frequently asked questions
- What is Glennon Johnston's NPI number?
- Glennon Johnston's National Provider Identifier (NPI) is 1871830141, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Glennon Johnston's specialty?
- Glennon Johnston is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Glennon Johnston located?
- Glennon Johnston's practice location on file with NPPES is 1325 N Highland Ave, Aurora, IL 60506-1449.
- What is Glennon Johnston's phone number?
- The practice phone number listed in the NPPES registry for Glennon Johnston is (630) 875-2222.
- Does Glennon Johnston accept Medicare?
- Glennon Johnston is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Glennon Johnston's NPI active?
- Yes — Glennon Johnston's NPI (1871830141) is active in the NPPES registry as of the last update on 2025-12-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.