Doctor profile · Federal record
Dr. Karen Siller, MD
Internal Medicine Physician (CMS: Internal Medicine) · Jamaica Plain, MA
- NPI 1164413779
- Accepts Medicare
- 40 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
640 Centre St, Dept of Internal Medicine
Jamaica Plain, MA 021302555
(617) 983-4100
Credentials & registration
- NPI registered
- November 2005 — 21 yrs on file
- Profile last updated
- July 5, 2012
- Year of graduation
- 1986 — 40 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- Massachusetts #151709
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1164413779. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
207
Distinct HCPCS
4
Medicare allowed
$21,372
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 130 | 76 | $104 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 32 | 29 | $70 | |
99443 |
Telephone medical discussion with physician, 21-30 minutes | 25 | 19 | $103 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 20 | 17 | $153 |
In context: peer comparison
Among 17 peers in Jamaica Plain Internal Medicine Physician, average services per provider: 57. This provider delivers 3.6× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
1,193
Patients
374
Total drug cost
$24,551
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 183 | 55 | $3,165 |
| Hydrochlorothiazide | Generic | 125 | 36 | $768 |
| Lisinopril | Generic | 118 | 39 | $1,707 |
| Omeprazole | Generic | 115 | 40 | $2,424 |
| Amlodipine Besylate | Generic | 111 | 39 | $1,839 |
| Losartan Potassium | Generic | 83 | 26 | $1,663 |
| Levothyroxine Sodium | Generic | 73 | 23 | $1,625 |
| Fluticasone Propionate | Generic | 64 | 22 | $1,731 |
| Metformin Hcl | Generic | 54 | 16 | $753 |
| Albuterol Sulfate Hfa (Albuterol Sulfate) | Brand | 50 | 18 | $2,580 |
Hospital affiliations
Frequently asked questions
What is Dr. Karen Siller's medical specialty?
Dr. Karen Siller practices Internal Medicine Physician in Jamaica Plain, MA.
Where does Dr. Karen Siller practice?
Dr. Karen Siller practices at 640 Centre St, Jamaica Plain, MA 021302555. Office phone: 6179834100.
What is Dr. Karen Siller's NPI?
Dr. Karen Siller's National Provider Identifier (NPI) is 1164413779, issued by NPPES.
Does Dr. Karen Siller accept Medicare assignment?
Yes. Dr. Karen Siller accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Karen Siller 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 99213); Telephone medical discussion with physician (HCPCS 99443). Source: CMS Medicare Physician & Other Practitioners file.