Isaac Tan, M.D.
NPI 1710336631 · Internal Medicine Physician · Peoria, IL
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Isaac Tan, M.D. is a Internal Medicine Physician provider in Peoria, IL (NPI 1710336631).
Provider details
- NPI number
- 1710336631
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 036149687 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
10 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
4,671 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) |
|---|---|---|
| Anticoagulant Management of Patient Taking Warfarin93793 | 1,986 | $11 |
| Blood Test, Clotting Time85610 | 769 | $4 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 590 | $121 |
| 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 | 583 | $16 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 256 | $9 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 137 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 1,024 | 286 |
| Losartan Potassium | 546 | 153 |
| Amlodipine Besylate | 440 | 120 |
| Levothyroxine Sodium | 422 | 124 |
| Lisinopril | 418 | 120 |
| Omeprazole | 321 | 94 |
| Hydrochlorothiazide |
Practice location
Mailing address
Registry dates
- Enumerated
- 2016-06-10
- Last updated
- 2024-12-26
- Certified
- 2024-12-26
Frequently asked questions
- What is Isaac Tan's NPI number?
- Isaac Tan's National Provider Identifier (NPI) is 1710336631, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Isaac Tan's specialty?
- Isaac Tan is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Isaac Tan located?
- Isaac Tan's practice location on file with NPPES is 530 Ne Glen Oak Ave, Peoria, IL 61637-0001.
- What is Isaac Tan's phone number?
- The practice phone number listed in the NPPES registry for Isaac Tan is (217) 521-3074.
- Does Isaac Tan accept Medicare?
- Isaac Tan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Isaac Tan's NPI active?
- Yes — Isaac Tan's NPI (1710336631) is active in the NPPES registry as of the last update on 2024-12-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.