Anna Bui, MD
NPI 1417454109 · Family Medicine Physician · Worcester, MA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Anna Bui, MD is a Family Medicine Physician provider in Worcester, MA (NPI 1417454109).
Provider details
- NPI number
- 1417454109
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 289951 (MA)
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
8 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
127 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 50 Minutes99233 | 61 | $116 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 48 | $78 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 18 | $113 |
Typical Medicare-allowed amounts for these services range $78–$116 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
Practice location
Mailing address
Additional practice locations (2)
- 157 Union StMarlborough, MA 01752-1228Phone: (508) 486-5678Fax: (508) 486-5677
- 55 Lake Ave NWorcester, MA 01655-0002Phone: (508) 334-1000
Registry dates
- Enumerated
- 2018-04-09
- Last updated
- 2021-09-16
- Certified
- 2021-09-16
Frequently asked questions
- What is Anna Bui's NPI number?
- Anna Bui's National Provider Identifier (NPI) is 1417454109, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Anna Bui's specialty?
- Anna Bui is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Anna Bui located?
- Anna Bui's practice location on file with NPPES is 119 Belmont St, Worcester, MA 01605-2903.
- What is Anna Bui's phone number?
- The practice phone number listed in the NPPES registry for Anna Bui is (508) 334-6851.
- Does Anna Bui accept Medicare?
- Anna Bui is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Anna Bui's NPI active?
- Yes — Anna Bui's NPI (1417454109) is active in the NPPES registry as of the last update on 2021-09-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.