Sandy Oh, MD
NPI 1851325203 · Internal Medicine Physician · Arlington Heights, IL
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sandy Oh, MD is a Internal Medicine Physician provider in Arlington Heights, IL (NPI 1851325203).
Provider details
- NPI number
- 1851325203
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- Yes
- License
- 03609778 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 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
1,331 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) |
|---|---|---|
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 347 | $9 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 324 | $95 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 214 | $135 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 138 | $132 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 58 | $82 |
| Subsequent Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 72 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 284 | 94 |
| Amlodipine Besylate | 253 | 77 |
| Levothyroxine Sodium | 244 | 73 |
| Rosuvastatin Calcium | 225 | 70 |
| Lisinopril | 184 | 53 |
| Losartan Potassium | 126 | 37 |
| Irbesartan |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,120 across 58 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
- 2006-07-10
- Last updated
- 2009-03-10
Frequently asked questions
- What is Sandy Oh's NPI number?
- Sandy Oh's National Provider Identifier (NPI) is 1851325203, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sandy Oh's specialty?
- Sandy Oh is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Sandy Oh located?
- Sandy Oh's practice location on file with NPPES is 1606 N Arlington Heights Rd, Arlington Heights, IL 60004-3908.
- What is Sandy Oh's phone number?
- The practice phone number listed in the NPPES registry for Sandy Oh is (847) 797-8900.
- Does Sandy Oh accept Medicare?
- Sandy Oh is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sandy Oh's NPI active?
- Yes — Sandy Oh's NPI (1851325203) is active in the NPPES registry as of the last update on 2009-03-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.