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Edit this profileAt a glance
- 325 Tamarack Ln, Shiloh, IL 62269
About Alexander Greff
Listed in the NPI registry as a physician assistant, Alexander C. Greff, PA-C practices in Shiloh, IL. According to Medicare claims data, Alexander cared for 158 Medicare patients across 262 services. 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, professional service for multiple injections of allergen, and test to measure rate of airflow. NPI 1578182564 identifies this record in the national registry.
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
- (618) 624-2060
- Email not available
Practice Locations
325 TAMARACK LN
Shiloh, IL 62269
Procedures Most Often Billed to Medicare
262 services · 158 patients · 5 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Professional service for multiple injections of allergen | Treatment | 95117 |
64 | As often as other peers in Physician Assistant |
| Test to measure rate of airflow | Treatment | 94375 |
23 | As often as other peers in Physician Assistant |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
150 | 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 |
14 | Less often than most peers in Physician Assistant |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
11 | 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.
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 2
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 Shiloh 5
Same specialty, same city.
More connections — 22 related providers in 3 groups
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2020 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Professional service for multiple injections of allergen 6
Providers in IL who bill this service to Medicare most often.
Common questions
What kind of doctor is Alexander C. Greff?
Alexander C. Greff is a physician assistant in Shiloh, IL. That is the designation recorded for this NPI in the federal registry.
NPI registry
What is Alexander C. Greff's address?
Alexander C. Greff is listed at 325 Tamarack Ln, Shiloh, IL 62269. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Alexander C. Greff?
The number on file is (618) 624-2060. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Alexander C. Greff's NPI number?
Alexander C. Greff's National Provider Identifier is 1578182564. 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 Alexander C. Greff train?
Alexander C. Greff attended Other, graduating in 2020. This comes from the CMS National Downloadable File.
CMS public data
How long has Alexander C. Greff been practicing?
Alexander C. Greff has 6 years experience. Calculated from a graduation year of 2020, reported in the CMS National Downloadable File.
CMS public data
What procedures does Alexander C. Greff perform?
According to Medicare billing data, Alexander C. Greff provides treatments such as professional service for multiple injections of allergen and test to measure rate of airflow, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Alexander C. Greff confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Alexander C. Greff. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.