Timothy Chong, MD
NPI 1609371137 · Geriatric Medicine (Internal Medicine) Physician · Stony Brook, NY
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Timothy Chong, MD is a Geriatric Medicine (Internal Medicine) Physician provider in Stony Brook, NY (NPI 1609371137).
Provider details
- NPI number
- 1609371137
- Entity type
- Individual
- Primary specialty
- Geriatric Medicine (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MD-21740 (HI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
8 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
1,850 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) |
|---|---|---|
| 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 | 484 | $18 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 482 | $145 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 213 | $206 |
| Prolonged Office Or Other Outpatient Evaluation and Management Service(s) Beyond the Maximum Required Time of the Primary Procedure Which Has Been Selected Using Total Time on the Date of the Primary Service; Each Additional 15 Minutes By the Physician OrG2212 | 137 | $37 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 59 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amlodipine Besylate | 132 | 42 |
| Atorvastatin Calcium | 109 | 41 |
| Levothyroxine Sodium | 79 | 27 |
| Escitalopram Oxalate | 74 | 15 |
| Omeprazole | 72 | 24 |
| Metoprolol Succinate | 64 | 23 |
| Pantoprazole Sodium |
Practice location
Mailing address
Additional practice locations (1)
- 347 N Kuakini StHpm 9Honolulu, HI 96817-2306Phone: (808) 523-8461
Registry dates
- Enumerated
- 2018-03-27
- Last updated
- 2023-09-08
- Certified
- 2023-07-29
Frequently asked questions
- What is Timothy Chong's NPI number?
- Timothy Chong's National Provider Identifier (NPI) is 1609371137, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Timothy Chong's specialty?
- Timothy Chong is listed in the NPPES registry with a primary specialty of Geriatric Medicine (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Timothy Chong located?
- Timothy Chong's practice location on file with NPPES is 101 Nicolls Rd, Stony Brook, NY 11794-0001.
- What is Timothy Chong's phone number?
- The practice phone number listed in the NPPES registry for Timothy Chong is (631) 444-2065.
- Does Timothy Chong accept Medicare?
- Timothy Chong is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Timothy Chong's NPI active?
- Yes — Timothy Chong's NPI (1609371137) is active in the NPPES registry as of the last update on 2023-09-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.