Doctor profile · Federal record
Dr. Frederick Barker, MD
Neurological Surgery Physician (CMS: Neurosurgery) · Boston, MA
- NPI 1649244344
- Accepts Medicare
- 41 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
55 Fruit Street, Yaw 9E
Boston, MA 02114
(617) 724-8772
fax (617) 724-8769 - Mailing address
-
Po Box 9142, Mass General Physician Organization
Charlestown, MA 021299142
Credentials & registration
- NPI registered
- February 2006 — 20 yrs on file
- Profile last updated
- November 29, 2012
- Year of graduation
- 1985 — 41 yrs since
- Specialty taxonomy
- 207T00000X — NUCC code
- State license (1)
- Massachusetts #75156
- Medicaid
- MA #3085601
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1649244344. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
67
Distinct HCPCS
3
Medicare allowed
$9,407
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99204 |
New patient office or other outpatient visit, 45-59 minutes | 25 | 25 | $178 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 22 | 22 | $135 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 20 | 20 | $99 |
In context: peer comparison
Among 38 peers in Boston Neurological Surgery Physician, average services per provider: 39. This provider delivers 1.7× the peer median.Frequently asked questions
What is Dr. Frederick Barker's medical specialty?
Dr. Frederick Barker practices Neurological Surgery Physician in Boston, MA.
Where does Dr. Frederick Barker practice?
Dr. Frederick Barker practices at 55 Fruit Street, Boston, MA 02114. Office phone: 6177248772.
What is Dr. Frederick Barker's NPI?
Dr. Frederick Barker's National Provider Identifier (NPI) is 1649244344, issued by NPPES.
Does Dr. Frederick Barker accept Medicare assignment?
Yes. Dr. Frederick Barker accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Frederick Barker commonly perform?
Top Medicare-reported procedures in 2023: New patient office or other outpatient visit (HCPCS 99204); Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.