Jilaine Bolek Berquist, M.D.
NPI 1346208766 · Rheumatology Physician · Madison, WI
Enrolled with Medicare as Practitioner - Rheumatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jilaine Bolek Berquist, M.D. is a Rheumatology Physician provider in Madison, WI (NPI 1346208766).
Provider details
- NPI number
- 1346208766
- Entity type
- Individual
- Primary specialty
- Rheumatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 48867 (WI)
Specialties & taxonomies
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
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
1,261 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) |
|---|---|---|
| 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 | 315 | $15 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 205 | $9 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 205 | $120 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 150 | $85 |
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test85027 | 134 | $6 |
| Red Blood Cell Sedimentation Rate, to Detect Inflammation, Automated |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 25 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Hydroxychloroquine Sulfate | 355 | 100 |
| Methotrexate Sodiumbrand: Methotrexate | 347 | 97 |
| Prednisone | 334 | 90 |
| Alendronate Sodium | 144 | 42 |
| Leflunomide | 80 | 26 |
| Adalimumabbrand: Humira(cf) Pen | 62 | — |
| Etanerceptbrand: Enbrel Sureclick |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-05-03
- Last updated
- 2021-11-29
- Certified
- 2021-11-29
Frequently asked questions
- What is Jilaine Bolek Berquist's NPI number?
- Jilaine Bolek Berquist's National Provider Identifier (NPI) is 1346208766, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jilaine Bolek Berquist's specialty?
- Jilaine Bolek Berquist is listed in the NPPES registry with a primary specialty of Rheumatology Physician (Allopathic & Osteopathic Physicians).
- Where is Jilaine Bolek Berquist located?
- Jilaine Bolek Berquist's practice location on file with NPPES is 1821 S Stoughton Rd, Madison, WI 53716-2257.
- What is Jilaine Bolek Berquist's phone number?
- The practice phone number listed in the NPPES registry for Jilaine Bolek Berquist is (608) 260-6000.
- Does Jilaine Bolek Berquist accept Medicare?
- Jilaine Bolek Berquist is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jilaine Bolek Berquist's NPI active?
- Yes — Jilaine Bolek Berquist's NPI (1346208766) is active in the NPPES registry as of the last update on 2021-11-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.