Chung-Kay Koh, MD
NPI 1841216843 · Endocrinology, Diabetes & Metabolism Physician · Park Ridge, IL
Enrolled with Medicare as Practitioner - Endocrinology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Chung-Kay Koh, MD is a Endocrinology, Diabetes & Metabolism Physician provider in Park Ridge, IL (NPI 1841216843).
Provider details
- NPI number
- 1841216843
- Entity type
- Individual
- Primary specialty
- Endocrinology, Diabetes & Metabolism PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 036-109946 (IL)
Specialties & taxonomies
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
2,590 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 754 | $130 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 552 | $9 |
| 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 | 385 | $17 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 283 | $81 |
| Continuous Monitoring of Blood Sugar Level in Tissue Fluid Using Sensor Under Skin With Interpretation and Report95251 | 253 | $35 |
| Hemoglobin A1c Level |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 71 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 898 | 245 |
| Metformin Hcl | 503 | 149 |
| Empagliflozinbrand: Jardiance | 476 | 130 |
| Insulin Glargine,hum.rec.anlogbrand: Lantus Solostar | 410 | 127 |
| Semaglutidebrand: Ozempic | 288 | 75 |
| Pen Needle, Diabeticbrand: Nano 2nd Gen Pen Needle | 250 | 105 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-14
- Last updated
- 2025-03-05
- Certified
- 2025-03-05
Frequently asked questions
- What is Chung-Kay Koh's NPI number?
- Chung-Kay Koh's National Provider Identifier (NPI) is 1841216843, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Chung-Kay Koh's specialty?
- Chung-Kay Koh is listed in the NPPES registry with a primary specialty of Endocrinology, Diabetes & Metabolism Physician (Allopathic & Osteopathic Physicians).
- Where is Chung-Kay Koh located?
- Chung-Kay Koh's practice location on file with NPPES is 1775 Ballard Rd, Park Ridge, IL 60068-1005.
- What is Chung-Kay Koh's phone number?
- The practice phone number listed in the NPPES registry for Chung-Kay Koh is (847) 318-2400.
- Does Chung-Kay Koh accept Medicare?
- Chung-Kay Koh is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Chung-Kay Koh's NPI active?
- Yes — Chung-Kay Koh's NPI (1841216843) is active in the NPPES registry as of the last update on 2025-03-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.