Fen Liang, M.D.
NPI 1780843953 · Internal Medicine Physician · Santa Barbara, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Fen Liang, M.D. is a Internal Medicine Physician provider in Santa Barbara, CA (NPI 1780843953).
Provider details
- NPI number
- 1780843953
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 47048 (TN)
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 tenure25% of score
18 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
5,936 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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) |
|---|---|---|
| Therapy Procedure Using Exercise to Develop Strength, Endurance, Range of Motion, and Flexibility, Each 15 Minutes97110 | 1,237 | $22 |
| Therapy Procedure to Re-Educate Brain-To-Nerve-To-Muscle Function, Each 15 Minutes97112 | 606 | $25 |
| Test Or Measurement for Functional Capacity, Each 15 Minutes97750 | 589 | $25 |
| Therapy Procedure for Walking Training, Each 15 Minutes97116 | 588 | $22 |
| Therapy Procedure Using Functional Activities97530 | 585 | $38 |
| Training for Self-Care Or Home Management, Each 15 Minutes97535 | 582 | $24 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 125 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 530 | 145 |
| Atorvastatin Calcium | 458 | 146 |
| Lisinopril | 381 | 105 |
| Losartan Potassium | 328 | 92 |
| Simvastatin | 297 | 83 |
| Amlodipine Besylate | 245 | 68 |
| Metformin Hcl | 209 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,902 across 73 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-06-03
- Last updated
- 2015-04-08
Frequently asked questions
- What is Fen Liang's NPI number?
- Fen Liang's National Provider Identifier (NPI) is 1780843953, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Fen Liang's specialty?
- Fen Liang is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Fen Liang located?
- Fen Liang's practice location on file with NPPES is 314 E Carrillo St, Santa Barbara, CA 93101-1499.
- What is Fen Liang's phone number?
- The practice phone number listed in the NPPES registry for Fen Liang is (805) 886-4370.
- Does Fen Liang accept Medicare?
- Fen Liang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Fen Liang's NPI active?
- Yes — Fen Liang's NPI (1780843953) is active in the NPPES registry as of the last update on 2015-04-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.