Doctor profile · Federal record
Dr. Timothy Ernst, M.D.
Medical Oncology Physician · Natick, MA
- NPI 1972542975
- 20 yrs on file
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
67 Union St, Suite 206
Natick, MA 017607700
(508) 655-0065
Credentials & registration
- NPI registered
- June 2006 — 20 yrs on file
- Profile last updated
- June 13, 2012
- Specialty taxonomy
- 207RX0202X — NUCC code
- State license (1)
- Massachusetts #52630
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1972542975. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
427
Distinct HCPCS
8
Medicare allowed
$55,237
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 154 | 112 | $103 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 139 | 109 | $139 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 44 | 38 | $153 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 23 | 14 | $84 | |
99205 |
New patient office or other outpatient visit, 60-74 minutes | 19 | 19 | $239 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 19 | 17 | $70 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 17 | 15 | $196 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 12 | 12 | $182 |
In context: peer comparison
Among 1 peers in Natick Medical Oncology Physician, average services per provider: 53. This provider delivers 8.1× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
76
Patients
14
Total drug cost
$44,679
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Eliquis (Apixaban) | Brand | 43 | 14 | $42,759 |
| Hydroxyurea | Generic | 22 | 0 | $1,475 |
| Abiraterone Acetate | Generic | 11 | 0 | $446 |
Frequently asked questions
What is Dr. Timothy Ernst's medical specialty?
Dr. Timothy Ernst practices Medical Oncology Physician in Natick, MA.
Where does Dr. Timothy Ernst practice?
Dr. Timothy Ernst practices at 67 Union St, Natick, MA 017607700. Office phone: 5086550065.
What is Dr. Timothy Ernst's NPI?
Dr. Timothy Ernst's National Provider Identifier (NPI) is 1972542975, issued by NPPES.
What procedures does Dr. Timothy Ernst 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 99214); Established patient office or other outpatient visit (HCPCS 99215). Source: CMS Medicare Physician & Other Practitioners file.