Doctor profile · Federal record
Dr. Katherine Gergen Barnett, MD
Family Medicine Physician (CMS: Family Practice) · Boston, MA
- NPI 1023209129
- Accepts Medicare
- 21 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
Operates at 3 locations .
- Primary practice
-
11 Melnea Cass Blvd
Boston, MA 021194401
(617) 414-2080 - Additional location
-
11 Nevins St Ste 505
Brighton, MA 021353514
(617) 414-2500 - Additional location
-
409 W Broadway
South Boston, MA 021272245
(617) 269-7500 - Mailing address
-
960 Massachusetts Ave Ste 2
Boston, MA 021182690
Credentials & registration
- NPI registered
- August 2007 — 19 yrs on file
- Profile last updated
- September 18, 2025
- Year of graduation
- 2005 — 21 yrs since
- Specialty taxonomy
- 207Q00000X — NUCC code
- State license (1)
- Massachusetts #233674
- Medicaid
- MA #110080981A
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1023209129. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
66
Distinct HCPCS
3
Medicare allowed
$7,721
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 30 | 23 | $104 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 25 | 18 | $153 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 11 | 11 | $70 |
In context: peer comparison
Among 42 peers in this city , average services per provider: 53. This provider delivers 1.2× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
914
Patients
165
Total drug cost
$14,275
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 102 | 23 | $1,277 |
| Lisinopril | Generic | 88 | 23 | $1,107 |
| Hydrochlorothiazide | Generic | 85 | 18 | $237 |
| Gabapentin | Generic | 81 | 16 | $1,468 |
| Amlodipine Besylate | Generic | 78 | 19 | $643 |
| Metformin Hcl | Generic | 60 | 15 | $415 |
| Oxycodone-Acetaminophen (Oxycodone Hcl/Acetaminophen) | Brand | 59 | 0 | $1,449 |
| Metoprolol Succinate | Generic | 55 | 12 | $988 |
| Simvastatin | Generic | 51 | 14 | $973 |
| Rosuvastatin Calcium | Generic | 50 | 12 | $1,063 |
Hospital affiliations
Frequently asked questions
What is Dr. Katherine Gergen Barnett's medical specialty?
Dr. Katherine Gergen Barnett practices Family Medicine Physician in Boston, MA.
Where does Dr. Katherine Gergen Barnett practice?
Dr. Katherine Gergen Barnett practices at 11 Melnea Cass Blvd, Boston, MA 021194401. Office phone: 6174142080.
What is Dr. Katherine Gergen Barnett's NPI?
Dr. Katherine Gergen Barnett's National Provider Identifier (NPI) is 1023209129, issued by NPPES.
Does Dr. Katherine Gergen Barnett accept Medicare assignment?
Yes. Dr. Katherine Gergen Barnett accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Katherine Gergen Barnett commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99215); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.