Theresa Duong
NPI 1245506872 · Hospitalist Physician · Sacramento, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Theresa Duong is a Hospitalist Physician provider in Sacramento, CA (NPI 1245506872).
Provider details
- NPI number
- 1245506872
- Entity type
- Individual
- Primary specialty
- Hospitalist PhysicianAllopathic & Osteopathic Physicians
- Sex
- Female
- Sole proprietor
- No
- License
- A129630 (CA)
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
14 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
438 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 187 | $79 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 44 | $67 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 42 | $99 |
| Hospital Discharge Day Management, 30 Minutes Or Less99238 | 41 | $83 |
| 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 | 39 | $17 |
| Subsequent Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes |
Practice location
Mailing address
Registry dates
- Enumerated
- 2012-03-28
- Last updated
- 2020-06-24
- Certified
- 2020-06-24
Frequently asked questions
- What is Theresa Duong's NPI number?
- Theresa Duong's National Provider Identifier (NPI) is 1245506872, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Theresa Duong's specialty?
- Theresa Duong is listed in the NPPES registry with a primary specialty of Hospitalist Physician (Allopathic & Osteopathic Physicians).
- Where is Theresa Duong located?
- Theresa Duong's practice location on file with NPPES is 4150 V St, Sacramento, CA 95817-1460.
- What is Theresa Duong's phone number?
- The practice phone number listed in the NPPES registry for Theresa Duong is (916) 734-2812.
- Does Theresa Duong accept Medicare?
- Theresa Duong is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Theresa Duong's NPI active?
- Yes — Theresa Duong's NPI (1245506872) is active in the NPPES registry as of the last update on 2020-06-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.