Jennifer Fredericks, MD
NPI 1093743163 · Family Medicine Physician · Bartlett, IL
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jennifer Fredericks, MD is a Family Medicine Physician provider in Bartlett, IL (NPI 1093743163).
Provider details
- NPI number
- 1093743163
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 036106524 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
1,240 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 435 | $135 |
| 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 | 202 | $17 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 178 | $138 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 110 | $15 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 106 | $94 |
| Insertion of Needle Into Vein for Collection of Blood Sample |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 80 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 363 | 89 |
| Atorvastatin Calcium | 319 | 94 |
| Lisinopril | 171 | 45 |
| Simvastatin | 163 | 40 |
| Losartan Potassium | 149 | 42 |
| Rosuvastatin Calcium | 145 | 48 |
| Metformin Hcl | 132 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-06-29
- Last updated
- 2013-04-04
Frequently asked questions
- What is Jennifer Fredericks's NPI number?
- Jennifer Fredericks's National Provider Identifier (NPI) is 1093743163, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jennifer Fredericks's specialty?
- Jennifer Fredericks is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Jennifer Fredericks located?
- Jennifer Fredericks's practice location on file with NPPES is 820 S Il Route 59, Bartlett, IL 60103-1694.
- What is Jennifer Fredericks's phone number?
- The practice phone number listed in the NPPES registry for Jennifer Fredericks is (630) 483-5930.
- Does Jennifer Fredericks accept Medicare?
- Jennifer Fredericks is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jennifer Fredericks's NPI active?
- Yes — Jennifer Fredericks's NPI (1093743163) is active in the NPPES registry as of the last update on 2013-04-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.