Oscar Sanchez, M.D.
NPI 1164426094 · Internal Medicine Physician · Mchenry, IL
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Oscar Sanchez, M.D. is a Internal Medicine Physician provider in Mchenry, IL (NPI 1164426094).
Provider details
- NPI number
- 1164426094
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 036095395 (IL)
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 tenure25% of score
21 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
270 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 186 | $87 |
| Annual Depression Screening, 5 to 15 MinutesG0444 | 33 | $17 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 32 | $124 |
| Telephone Medical Discussion With Physician, 11-20 Minutes99442 | 19 | $86 |
Typical Medicare-allowed amounts for these services range $17–$124 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote 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 · 96 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 178 | 57 |
| Gabapentin | 134 | 23 |
| Amlodipine Besylate | 111 | 33 |
| Alprazolam | 85 | 14 |
| Losartan Potassium | 80 | 22 |
| Omeprazole | 70 | 22 |
| Metformin Hcl |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$340 across 17 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
Registry dates
- Enumerated
- 2005-06-09
- Last updated
- 2011-09-14
Frequently asked questions
- What is Oscar Sanchez's NPI number?
- Oscar Sanchez's National Provider Identifier (NPI) is 1164426094, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Oscar Sanchez's specialty?
- Oscar Sanchez is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Oscar Sanchez located?
- Oscar Sanchez's practice location on file with NPPES is 5435 Bull Valley Rd, Mchenry, IL 60050-7435.
- What is Oscar Sanchez's phone number?
- The practice phone number listed in the NPPES registry for Oscar Sanchez is (815) 578-0224.
- Does Oscar Sanchez accept Medicare?
- Oscar Sanchez is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Oscar Sanchez's NPI active?
- Yes — Oscar Sanchez's NPI (1164426094) is active in the NPPES registry as of the last update on 2011-09-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.