Doctor profile · Federal record
Dr. Jonathan Greer, M.D.
Surgical Oncology Physician (CMS: Surgical Oncology) · Surgery Physician · Boston, MA
- NPI 1194985614
- Accepts Medicare
- MIPS 74.4 / 100 · 2023
- 18 yrs in practice
- Licensed in 2 states
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
55 Fruit St
Boston, MA 021142621
(617) 726-8290 - Additional location
-
600 N Wolfe St
Baltimore, MD 212870005
(443) 287-6316
fax (443) 769-1275 - Mailing address
-
9910 Franklin Square Dr Ste 2110
Baltimore, MD 212364902
Credentials & registration
- NPI registered
- June 2008 — 18 yrs on file
- Profile last updated
- February 16, 2024
- Year of graduation
- 2008 — 18 yrs since
- Specialty taxonomy
- 2086X0206X — NUCC code
- State licenses (2)
- Maryland #D85979 · Massachusetts #1018289
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1194985614. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
129
Distinct HCPCS
5
Medicare allowed
$19,164
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 53 | 38 | $70 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 23 | 22 | $103 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 21 | 21 | $88 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 17 | 17 | $142 | |
47600 |
Removal of gallbladder | 15 | 15 | $588 |
In context: peer comparison
Among 12 peers in Boston Surgical Oncology Physician, average services per provider: 27. This provider delivers 4.8× the peer median.Open Payments
Industry payments received
All-time total
$146
Transactions
2
Manufacturers
2
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Organogenesis INC. | 1 | $124.98 | |
| Amgen INC. | 1 | $21.34 |
By nature of payment
Hospital affiliations
Frequently asked questions
What is Dr. Jonathan Greer's medical specialty?
Dr. Jonathan Greer practices Surgical Oncology Physician in Boston, MA.
Where does Dr. Jonathan Greer practice?
Dr. Jonathan Greer practices at 55 Fruit St, Boston, MA 021142621. Office phone: 6177268290.
What is Dr. Jonathan Greer's NPI?
Dr. Jonathan Greer's National Provider Identifier (NPI) is 1194985614, issued by NPPES.
Does Dr. Jonathan Greer accept Medicare assignment?
Yes. Dr. Jonathan Greer accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Jonathan Greer commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214); New patient office or other outpatient visit (HCPCS 99203). Source: CMS Medicare Physician & Other Practitioners file.