Doctor profile · Federal record

Dr. Linsey Barker

Geriatric Medicine (Internal Medicine) Physician (CMS: Geriatric Medicine) · Worcester, MA

  • NPI 1356847974
  • Accepts Medicare
  • MIPS 89.0 / 100 · 2023
  • 8 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
291 Lincoln St
Worcester, MA 016053643
(508) 334-6251
fax (508) 334-6906
Mailing address
Po Box 415348
Boston, MA 022415348

Credentials & registration

NPPES · NUCC
NPI registered
April 2018 — 8 yrs on file
Profile last updated
August 8, 2023
Year of graduation
2018 — 8 yrs since
Specialty taxonomy
207RG0300X — NUCC code
State license (1)
Massachusetts #290153

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1356847974. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
89
Distinct HCPCS
3
Medicare allowed
$16,816
HCPCS Description Services Patients Avg allowed
99205 New patient office or other outpatient visit, 60-74 minutes 42 42 $224
99215 Established patient office or other outpatient visit, 40-54 minutes 30 29 $176
99214 Established patient office or other outpatient visit, 30-39 minutes 17 15 $126

In context: peer comparison

Among 4 peers in Worcester Geriatric Medicine (Internal Medicine) Physician, average services per provider: 49. This provider delivers 1.8× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
396
Patients
119
Total drug cost
$21,319
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 53 23 $1,394
Amlodipine Besylate Generic 45 25 $531
Omeprazole Generic 36 11 $582
Lisinopril Generic 34 13 $363
Metoprolol Succinate Generic 34 11 $507
Tamsulosin Hcl Generic 31 12 $1,027
Furosemide Generic 25 12 $80
Losartan Potassium Generic 24 12 $499
Eliquis (Apixaban) Brand 22 0 $14,518
Diclofenac Sodium Generic 19 0 $547

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Linsey Barker's medical specialty?
Dr. Linsey Barker practices Geriatric Medicine (Internal Medicine) Physician in Worcester, MA.
Where does Dr. Linsey Barker practice?
Dr. Linsey Barker practices at 291 Lincoln St, Worcester, MA 016053643. Office phone: 5083346251.
What is Dr. Linsey Barker's NPI?
Dr. Linsey Barker's National Provider Identifier (NPI) is 1356847974, issued by NPPES.
Does Dr. Linsey Barker accept Medicare assignment?
Yes. Dr. Linsey Barker accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Linsey Barker commonly perform?
Top Medicare-reported procedures in 2023: New patient office or other outpatient visit (HCPCS 99205); Established patient office or other outpatient visit (HCPCS 99215); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.