Linsey Barker
NPI 1356847974 · Geriatric Medicine (Internal Medicine) Physician · Worcester, MA
Enrolled with Medicare as Practitioner - Geriatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Linsey Barker is a Geriatric Medicine (Internal Medicine) Physician provider in Worcester, MA (NPI 1356847974).
Provider details
- NPI number
- 1356847974
- Entity type
- Individual
- Primary specialty
- Geriatric Medicine (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Sex
- Female
- Sole proprietor
- No
- License
- 290153 (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
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
516 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 | $121 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 80 | $164 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 47 | $93 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More99205 | 45 | $221 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 42 | $118 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'S |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 58 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 163 | 63 |
| Levothyroxine Sodium | 144 | 45 |
| Amlodipine Besylate | 114 | 48 |
| Lisinopril | 90 | 43 |
| Losartan Potassium | 79 | 31 |
| Metoprolol Succinate | 76 | 25 |
| Pantoprazole Sodium |
Practice location
Mailing address
Registry dates
- Enumerated
- 2018-04-03
- Last updated
- 2023-08-08
- Certified
- 2023-08-08
Frequently asked questions
- What is Linsey Barker's NPI number?
- Linsey Barker's National Provider Identifier (NPI) is 1356847974, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Linsey Barker's specialty?
- Linsey Barker is listed in the NPPES registry with a primary specialty of Geriatric Medicine (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Linsey Barker located?
- Linsey Barker's practice location on file with NPPES is 291 Lincoln St, Worcester, MA 01605-3643.
- What is Linsey Barker's phone number?
- The practice phone number listed in the NPPES registry for Linsey Barker is (508) 334-6251.
- Does Linsey Barker accept Medicare?
- Linsey Barker is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Linsey Barker's NPI active?
- Yes — Linsey Barker's NPI (1356847974) is active in the NPPES registry as of the last update on 2023-08-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.