Annie Lien, MD
NPI 1649955428 · Internal Medicine Physician · Saint Louis, MO
Enrolled with Medicare as Order and Referring Only - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Annie Lien, MD is a Internal Medicine Physician provider in Saint Louis, MO (NPI 1649955428).
Provider details
- NPI number
- 1649955428
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 2023022611 (MO)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
3 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 · 18 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amlodipine Besylate | 62 | 17 |
| Atorvastatin Calcium | 51 | 16 |
| Lisinopril | 39 | 14 |
| Gabapentin | 32 | — |
| Metformin Hcl | 29 | — |
| Fluticasone Propionate | 22 | — |
| Pantoprazole Sodium | 20 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2023-06-19
- Last updated
- 2023-06-19
- Certified
- 2023-06-19
Frequently asked questions
- What is Annie Lien's NPI number?
- Annie Lien's National Provider Identifier (NPI) is 1649955428, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Annie Lien's specialty?
- Annie Lien is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Annie Lien located?
- Annie Lien's practice location on file with NPPES is 1 Barnes Jew Hosp Plz, Saint Louis, MO 63110-1003.
- What is Annie Lien's phone number?
- The practice phone number listed in the NPPES registry for Annie Lien is (314) 362-8065.
- Does Annie Lien accept Medicare?
- Annie Lien is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Annie Lien's NPI active?
- Yes — Annie Lien's NPI (1649955428) is active in the NPPES registry as of the last update on 2023-06-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.