Doctor profile · Federal record
Dr. Katherine Wrenn, M.D.
Internal Medicine Physician (CMS: Internal Medicine) · Boston, MA
- NPI 1902127673
- Accepts Medicare
- 16 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
330 Brookline Ave, E/Shapiro 1
Boston, MA 022155400
(617) 754-9600
fax (617) 667-8665
Credentials & registration
- NPI registered
- June 2010 — 16 yrs on file
- Profile last updated
- July 21, 2015
- Year of graduation
- 2010 — 16 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- Massachusetts #262912
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1902127673. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
324
Distinct HCPCS
5
Medicare allowed
$32,895
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 199 | 116 | $104 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 65 | 65 | $142 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 34 | 34 | $70 | |
G0444 |
Annual depression screening, 5 to 15 minutes | 14 | 14 | $10 | |
99441 |
Telephone medical discussion with physician, 5-10 minutes | 12 | 12 | $37 |
In context: peer comparison
Among 547 peers in this city , average services per provider: 81. This provider delivers 4.0× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
1,067
Patients
301
Total drug cost
$72,508
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 206 | 67 | $4,844 |
| Amlodipine Besylate | Generic | 139 | 47 | $1,335 |
| Lisinopril | Generic | 93 | 27 | $1,313 |
| Losartan Potassium | Generic | 75 | 21 | $1,275 |
| Albuterol Sulfate Hfa (Albuterol Sulfate) | Brand | 71 | 14 | $2,099 |
| Lorazepam | Generic | 69 | 14 | $415 |
| Omeprazole | Generic | 69 | 26 | $1,651 |
| Escitalopram Oxalate | Generic | 52 | 13 | $1,548 |
| Sertraline Hcl | Generic | 48 | 17 | $627 |
| Levothyroxine Sodium | Generic | 44 | 16 | $824 |
Frequently asked questions
What is Dr. Katherine Wrenn's medical specialty?
Dr. Katherine Wrenn practices Internal Medicine Physician in Boston, MA.
Where does Dr. Katherine Wrenn practice?
Dr. Katherine Wrenn practices at 330 Brookline Ave, Boston, MA 022155400. Office phone: 6177549600.
What is Dr. Katherine Wrenn's NPI?
Dr. Katherine Wrenn's National Provider Identifier (NPI) is 1902127673, issued by NPPES.
Does Dr. Katherine Wrenn accept Medicare assignment?
Yes. Dr. Katherine Wrenn accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Katherine Wrenn commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.