Helen Lin, MD
NPI 1144269820 · Internal Medicine Physician · Tucson, AZ
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Helen Lin, MD is a Internal Medicine Physician provider in Tucson, AZ (NPI 1144269820).
Provider details
- NPI number
- 1144269820
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 27141 (AZ)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 85 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 368 | 134 |
| Losartan Potassium | 288 | 107 |
| Levothyroxine Sodium | 269 | 86 |
| Amlodipine Besylate | 247 | 80 |
| Lisinopril | 179 | 63 |
| Alendronate Sodium | 144 | 57 |
| Hydrochlorothiazide | 143 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-06-06
- Last updated
- 2021-12-15
Frequently asked questions
- What is Helen Lin's NPI number?
- Helen Lin's National Provider Identifier (NPI) is 1144269820, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Helen Lin's specialty?
- Helen Lin is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Helen Lin located?
- Helen Lin's practice location on file with NPPES is 2055 W Hospital Dr, Tucson, AZ 85704-7892.
- What is Helen Lin's phone number?
- The practice phone number listed in the NPPES registry for Helen Lin is (520) 547-5725.
- Does Helen Lin accept Medicare?
- Helen Lin is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Helen Lin's NPI active?
- Yes — Helen Lin's NPI (1144269820) is active in the NPPES registry as of the last update on 2021-12-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.