Jennifer Greggain, APN
NPI 1356779318 · Nurse Practitioner · Channahon, IL
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jennifer Greggain, APN is a Nurse Practitioner provider in Channahon, IL (NPI 1356779318).
Provider details
- NPI number
- 1356779318
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- APN
- Sex
- Female
- Sole proprietor
- No
- License
- 209.010850 (IL)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
12 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
991 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 362 | $85 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 197 | $81 |
| Continuous Monitoring of Blood Sugar Level in Tissue Fluid Using Sensor Under Skin With Interpretation and Report95251 | 161 | $30 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 80 | $14 |
| Continuous Monitoring of Blood Sugar Level in Tissue Fluid Using Sensor Under Skin With Interpretation and Report95251 | 79 | $29 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 45 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Semaglutidebrand: Ozempic | 443 | 115 |
| Levothyroxine Sodium | 317 | 79 |
| Metformin Hcl | 258 | 81 |
| Metformin Hclbrand: Metformin Hcl Er | 229 | 72 |
| Insulin Glargine,hum.rec.anlogbrand: Lantus Solostar | 221 | 75 |
| Pen Needle, Diabeticbrand: Nano 2nd Gen Pen Needle | 208 | 87 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,726 across 29 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2013-10-29
- Last updated
- 2020-08-24
- Certified
- 2020-08-24
Frequently asked questions
- What is Jennifer Greggain's NPI number?
- Jennifer Greggain's National Provider Identifier (NPI) is 1356779318, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jennifer Greggain's specialty?
- Jennifer Greggain is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Jennifer Greggain located?
- Jennifer Greggain's practice location on file with NPPES is 25259 S Reed St, Channahon, IL 60410-6003.
- What is Jennifer Greggain's phone number?
- The practice phone number listed in the NPPES registry for Jennifer Greggain is (815) 467-0555.
- Does Jennifer Greggain accept Medicare?
- Jennifer Greggain is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jennifer Greggain's NPI active?
- Yes — Jennifer Greggain's NPI (1356779318) is active in the NPPES registry as of the last update on 2020-08-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.