Spencer Kirk, M.D., M.S.
NPI 1265847941 · Sports Medicine (Family Medicine) Physician · Downers Grove, IL
Enrolled with Medicare as Practitioner - Sports Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Spencer Kirk, M.D., M.S. is a Sports Medicine (Family Medicine) Physician provider in Downers Grove, IL (NPI 1265847941).
Provider details
- NPI number
- 1265847941
- Entity type
- Individual
- Primary specialty
- Sports Medicine (Family Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D., M.S.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 036143805 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
11 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
4 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
819 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) |
|---|---|---|
| Aspiration And/Or Injection of Fluid Large Joint Using Ultrasound Guidance20611 | 248 | $109 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 202 | $169 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 158 | $92 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 145 | $130 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 40 | $111 |
| Injection Into Tendon Or Ligament |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 1 distinct drug on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Meloxicam | 21 | 20 |
Medicare Part D only. These counts cover prescriptions paid through Medicare Part D in 2024 — they do notinclude cash-pay, commercial-insurance, Medicaid, or Part B–administered drugs, and badly undercount high cash-pay categories (e.g. GLP-1 weight-loss, testosterone, and ED medications). Any drug with 10 or fewer claims is omitted by CMS, and beneficiary counts under 11 are suppressed — so a missing drug means no Part D record, never zero. This is a factual claims summary, not an endorsement, not medical advice, and not a consumer report. Source: CMS Medicare Part D Prescribers — by Provider and Drug.
Practice location
Mailing address
Additional practice locations (3)
- 1221 N Highland AveAurora, IL 60506-1404Phone: (630) 264-8720Fax: (630) 264-8423
- 7447 W Talcott AveSuite 182Chicago, IL 60631-3745Phone: (773) 990-7648
- 7447 W Talcott AveSuite 182Chicago, IL 60631-3745Phone: (773) 990-7648
Registry dates
- Enumerated
- 2014-06-22
- Last updated
- 2025-10-14
- Certified
- 2025-10-14
Frequently asked questions
- What is Spencer Kirk's NPI number?
- Spencer Kirk's National Provider Identifier (NPI) is 1265847941, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Spencer Kirk's specialty?
- Spencer Kirk is listed in the NPPES registry with a primary specialty of Sports Medicine (Family Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Spencer Kirk located?
- Spencer Kirk's practice location on file with NPPES is 3551 Highland Ave Ste 200b, Downers Grove, IL 60515-2100.
- What is Spencer Kirk's phone number?
- The practice phone number listed in the NPPES registry for Spencer Kirk is (630) 264-8720.
- Does Spencer Kirk accept Medicare?
- Spencer Kirk is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Spencer Kirk's NPI active?
- Yes — Spencer Kirk's NPI (1265847941) is active in the NPPES registry as of the last update on 2025-10-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.