Katherine Ritter, MD
NPI 1255694691 · Family Medicine Physician · Bolingbrook, IL
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Katherine Ritter, MD is a Family Medicine Physician provider in Bolingbrook, IL (NPI 1255694691).
Provider details
- NPI number
- 1255694691
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 036136590 (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
14 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
1,099 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) |
|---|---|---|
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 459 | $9 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 118 | $93 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 113 | $132 |
| X-Ray of Chest, 2 Views71046 | 77 | $24 |
| Automated Urinalysis Test81003 | 50 | $2 |
| Blood Test, Clotting Time85610 | 43 | $4 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Cephalexin | 40 | 40 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 27 | 27 |
| Methylprednisolone | 24 | 24 |
| Doxycycline Hyclate | 18 | 18 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 15 | 15 |
| Nirmatrelvir/Ritonavirbrand: Paxlovid | 15 | 15 |
| Azelastine Hcl | 11 |
Practice location
Mailing address
Additional practice locations (2)
- 235 S Gary AveBloomingdale, IL 60108Phone: (515) 991-3984Fax: (630) 893-9675
- 900 N 2nd StSuite 200Rochelle, IL 61068-1717Phone: (815) 562-3784Fax: (815) 561-0008
Registry dates
- Enumerated
- 2012-06-20
- Last updated
- 2023-08-18
- Certified
- 2023-08-18
Frequently asked questions
- What is Katherine Ritter's NPI number?
- Katherine Ritter's National Provider Identifier (NPI) is 1255694691, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Katherine Ritter's specialty?
- Katherine Ritter is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Katherine Ritter located?
- Katherine Ritter's practice location on file with NPPES is 149 N Weber Rd, Bolingbrook, IL 60490-1504.
- What is Katherine Ritter's phone number?
- The practice phone number listed in the NPPES registry for Katherine Ritter is (630) 456-7245.
- Does Katherine Ritter accept Medicare?
- Katherine Ritter is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Katherine Ritter's NPI active?
- Yes — Katherine Ritter's NPI (1255694691) is active in the NPPES registry as of the last update on 2023-08-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.