Doctor profile · Federal record
Dr. Jonathan Proulx, MD
Hematology (Internal Medicine) Physician (CMS: Hematology/Oncology) · Hematology & Oncology Physician · Hematology & Oncology Physician · Medical Oncology Physician · Dover, NH
- NPI 1518320837
- Accepts Medicare
- MIPS 93.1 / 100 · 2023
- 10 yrs in practice
- Licensed in 3 states
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 3 locations .
- Primary practice
-
789 Central Ave
Dover, NH 038202526
(603) 742-8787 - Additional location
-
1117 Spring St
Friday Harbor, WA 982509782
(360) 378-1738 - Additional location
-
3301 Squalicum Pkwy
Bellingham, WA 982251919
(360) 788-8222 - Mailing address
-
55 Fruit St
Boston, MA 021142621
Credentials & registration
- NPI registered
- April 2016 — 10 yrs on file
- Profile last updated
- January 9, 2026
- Year of graduation
- 2016 — 10 yrs since
- Specialty taxonomy
- 207RH0000X — NUCC code
- State licenses (3)
- New Hampshire #22815 · Maine #MD26071 · Washington #MD61686505
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1518320837. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
99,258
Distinct HCPCS
10
Medicare allowed
$915,329
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
J1439 |
Injection, ferric carboxymaltose, 1 mg | 77,250 | 66 | $1 | |
J9271 |
Injection, pembrolizumab, 1 mg | 8,800 | 18 | $54 | |
J0897 |
Injection, denosumab, 1 mg | 6,420 | 81 | $23 | |
J1100 |
Injection, dexamethasone sodium phosphate, 1 mg | 1,901 | 56 | $0 | |
J1626 |
Injection, granisetron hydrochloride, 100 mcg | 370 | 19 | $0 | |
85025 |
Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count | 349 | 125 | $8 | |
36415 |
Insertion of needle into vein for collection of blood sample | 298 | 112 | $8 | |
96413 |
Administration of chemotherapy into vein, 1 hour or less | 288 | 94 | $132 | |
96365 |
Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less | 284 | 130 | $63 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 276 | 117 | $125 |
In context: peer comparison
Among 1 peers in Dover Hematology (Internal Medicine) Physician, average services per provider: 2,067. This provider delivers 48× the peer median.Open Payments
Industry payments received
All-time total
$45
Transactions
2
Manufacturers
2
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Pfizer INC. | 1 | $22.89 | |
| Janssen Pharmaceuticals, INC | 1 | $22.00 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
114
Patients
0
Total drug cost
$425,454
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Eliquis (Apixaban) | Brand | 32 | 0 | $22,145 |
| Hydroxyurea | Generic | 18 | 0 | $431 |
| Prednisone | Generic | 15 | 0 | $103 |
| Imatinib Mesylate | Generic | 14 | 0 | $24,277 |
| Revlimid (Lenalidomide) | Brand | 13 | 0 | $195,158 |
| Abiraterone Acetate | Generic | 11 | 0 | $8,045 |
| Calquence (Acalabrutinib Maleate) | Brand | 11 | 0 | $175,295 |
Frequently asked questions
What is Dr. Jonathan Proulx's medical specialty?
Dr. Jonathan Proulx practices Hematology (Internal Medicine) Physician in Dover, NH.
Where does Dr. Jonathan Proulx practice?
Dr. Jonathan Proulx practices at 789 Central Ave, Dover, NH 038202526. Office phone: 6037428787.
What is Dr. Jonathan Proulx's NPI?
Dr. Jonathan Proulx's National Provider Identifier (NPI) is 1518320837, issued by NPPES.
Does Dr. Jonathan Proulx accept Medicare assignment?
Yes. Dr. Jonathan Proulx accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Jonathan Proulx commonly perform?
Top Medicare-reported procedures in 2023: Injection, ferric carboxymaltose, 1 mg (HCPCS J1439); Injection, pembrolizumab, 1 mg (HCPCS J9271); Injection, denosumab, 1 mg (HCPCS J0897). Source: CMS Medicare Physician & Other Practitioners file.