Annie Rose Ong, MD
NPI 1376040550 · Internal Medicine Physician · Waterbury, CT
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Annie Rose Ong, MD is a Internal Medicine Physician provider in Waterbury, CT (NPI 1376040550).
Provider details
- NPI number
- 1376040550
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- Yes
- License
- 67649 (CT)
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 tenure25% of score
8 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
554 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 | 205 | $95 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 173 | $132 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 74 | $135 |
| Telephone Medical Discussion With Physician, 11-20 Minutes99442 | 40 | $94 |
| Administration of Influenza Virus VaccineG0008 | 14 | $34 |
| Administration of Pneumococcal VaccineG0009 | 13 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 127 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 572 | 192 |
| Amlodipine Besylate | 398 | 131 |
| Lisinopril | 313 | 100 |
| Levothyroxine Sodium | 269 | 82 |
| Metformin Hcl | 261 | 77 |
| Gabapentin | 231 | 74 |
| Rosuvastatin Calcium |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$34 across 1 record (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
- 2018-04-12
- Last updated
- 2021-04-21
- Certified
- 2021-02-16
Frequently asked questions
- What is Annie Rose Ong's NPI number?
- Annie Rose Ong's National Provider Identifier (NPI) is 1376040550, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Annie Rose Ong's specialty?
- Annie Rose Ong is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Annie Rose Ong located?
- Annie Rose Ong's practice location on file with NPPES is 133 Scovill St, Waterbury, CT 06706-1127.
- What is Annie Rose Ong's phone number?
- The practice phone number listed in the NPPES registry for Annie Rose Ong is (203) 709-6000.
- Does Annie Rose Ong accept Medicare?
- Annie Rose Ong is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Annie Rose Ong's NPI active?
- Yes — Annie Rose Ong's NPI (1376040550) is active in the NPPES registry as of the last update on 2021-04-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.