Brian Didier, MD
NPI 1417521618 · Family Medicine Physician · Dixon, IL
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Brian Didier, MD is a Family Medicine Physician provider in Dixon, IL (NPI 1417521618).
Provider details
- NPI number
- 1417521618
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
5 yrs in NPPES registry
- Profile completeness25% of score
83% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
222 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 119 | $76 |
| Hospital Discharge Day Management, 30 Minutes Or Less99238 | 48 | $78 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 26 | $115 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 17 | $168 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 12 | $127 |
Typical Medicare-allowed amounts for these services range $76–$168 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 39 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 66 | 20 |
| Lisinopril | 56 | 13 |
| Omeprazole | 49 | 13 |
| Meloxicam | 40 | — |
| Metformin Hcl | 37 | — |
| Levothyroxine Sodium | 36 | — |
| Venlafaxine Hclbrand: Venlafaxine Hcl Er |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$39 across 2 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
Additional practice locations (1)
- 102 S Hennepin AveDixon, IL 61021-3013Phone: (815) 285-8520
Registry dates
- Enumerated
- 2021-05-13
- Last updated
- 2024-12-10
- Certified
- 2024-12-10
Frequently asked questions
- What is Brian Didier's NPI number?
- Brian Didier's National Provider Identifier (NPI) is 1417521618, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Brian Didier's specialty?
- Brian Didier is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Brian Didier located?
- Brian Didier's practice location on file with NPPES is 403 E 1st St, Dixon, IL 61021-3187.
- What is Brian Didier's phone number?
- The practice phone number listed in the NPPES registry for Brian Didier is (815) 285-5629.
- Does Brian Didier accept Medicare?
- Brian Didier is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Brian Didier's NPI active?
- Yes — Brian Didier's NPI (1417521618) is active in the NPPES registry as of the last update on 2024-12-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.