Alexandra Tien, MD
NPI 1437148640 · Family Medicine Physician · Bristol, RI
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Alexandra Tien, MD is a Family Medicine Physician provider in Bristol, RI (NPI 1437148640).
Provider details
- NPI number
- 1437148640
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 223222 (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
20 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
419 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 | 122 | $100 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 94 | $67 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 76 | $66 |
| Administration of Influenza Virus VaccineG0008 | 29 | $33 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 24 | $14 |
| Telephone Medical Discussion With Physician, 11-20 Minutes99442 | 19 |
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 |
|---|---|---|
| Atorvastatin Calcium | 203 | 55 |
| Amlodipine Besylate | 166 | 43 |
| Levothyroxine Sodium | 153 | 36 |
| Lisinopril | 126 | 38 |
| Famotidine | 97 | 18 |
| Losartan Potassium | 92 | 24 |
| Omeprazole | 91 |
Practice location
Mailing address
Additional practice locations (1)
- 285 Old Westport RdUmass/Dartmouth Health ServicesNorth Dartmouth, MA 02747-2356Phone: (508) 999-8982
Registry dates
- Enumerated
- 2005-10-19
- Last updated
- 2020-10-26
- Certified
- 2020-10-26
Frequently asked questions
- What is Alexandra Tien's NPI number?
- Alexandra Tien's National Provider Identifier (NPI) is 1437148640, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Alexandra Tien's specialty?
- Alexandra Tien is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Alexandra Tien located?
- Alexandra Tien's practice location on file with NPPES is 1180 Hope St, Bristol, RI 02809-1126.
- What is Alexandra Tien's phone number?
- The practice phone number listed in the NPPES registry for Alexandra Tien is (401) 253-8900.
- Does Alexandra Tien accept Medicare?
- Alexandra Tien is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Alexandra Tien's NPI active?
- Yes — Alexandra Tien's NPI (1437148640) is active in the NPPES registry as of the last update on 2020-10-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.