Doyun Park, M.D.
Doyun Park, M.D. is a Hematology (Internal Medicine) Physician in Springfield, MA, registered under NPI 1982984258. This provider registers 2 separate taxonomy codes, which usually means they practise across more than one recognised specialty.
Getting there
The practice address on file is 3350 MAIN ST, Springfield, MA 01107. We have not yet mapped what surrounds this office — parking, transit, and nearby pharmacies are added as our data collection reaches each location.
Credentials and Medicare
| Licence | State | Specialty |
|---|---|---|
| 283010 | MA | Hematology (Internal Medicine) Physician primary |
| 283010 | MA | Hematology & Oncology Physician |
This provider holds licence 283010 issued in MA. A licence number in NPPES reflects what was filed at registration — it does not confirm the licence is still active today.
- Status
- Approved
- Provider type
- Practitioner - Hematology
- PAC ID
- 3779832217
Enrolled in Medicare 2 times, across 2 states:
| State | Enrollment ID | Provider type |
|---|---|---|
| New York | I20180816002664 | Practitioner - Hematology |
| Massachusetts | I20200803002440 | Practitioner - Hematology/oncology |
Medicare enrolment is recorded as approved under the provider type Practitioner - Hematology. There are 2 separate enrolment records across 2 states (NY, MA). Multiple enrolments usually mean the provider bills Medicare from more than one practice location, or has kept an earlier enrolment after moving. Each record carries its own enrolment ID, listed above. Being enrolled means the provider can bill Medicare; it does not tell you whether they are currently accepting new Medicare patients. Call the office to confirm.
What Hematology covers
An internist with additional training who specializes in diseases of the blood, spleen and lymph. This specialist treats conditions such as anemia, clotting disorders, sickle cell disease, hemophilia, leukemia and lymphoma. NUCC Health Care Provider Taxonomy, code 207RH0000X
All registered taxonomy codes
This provider registers 2 taxonomy codes. The primary code is what appears on most claims; the others record additional recognised specialties.
| Code | Specialty | Licence | State | |
|---|---|---|---|---|
| 207RH0000X | Hematology (Internal Medicine) Physician Hematology | 283010 | MA | primary |
| 207RH0003X | Hematology & Oncology Physician Hematology & Oncology | 283010 | MA |
The taxonomy records how the provider classifies their own practice. It does not confirm which conditions they currently treat, whether they are accepting new patients, or which insurance they take — call the office for that.
Full NPPES record
An NPI-1 identifies a single person. It stays with the clinician for life, even if they move practice or change state, which is why the address on file can lag behind where they actually work today.
| NPI | 1982984258 valid check digit |
|---|---|
| Entity type | Individual (NPI-1) |
| Enumeration date | Aug 18, 2011 |
| Last updated | Jul 20, 2023 |
| Status | Active |
| Sole proprietor | No |
| Credential | M.D. |
| Practice address |
3350 MAIN ST Springfield, MA 01107 (413) 794-9338 Fax (413) 794-9754 |
| Mailing address |
280 CHESTNUT ST FL 2 Springfield, MA 01199 |
Number check
How the check works, step by step
Every NPI carries a Luhn check digit — the same scheme used on credit cards. CMS prefixes the number with 80840 before computing it, which marks it as a US health identifier.
| Digit | 8 | 0 | 8 | 4 | 0 | 1 | 9 | 8 | 2 | 9 | 8 | 4 | 2 | 5 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Doubled? | — | ×2 | — | ×2 | — | ×2 | — | ×2 | — | ×2 | — | ×2 | — | ×2 |
| Value | 8 | 0 | 8 | 8 | 0 | 2 | 9 | 7 | 2 | 9 | 8 | 8 | 2 | 1 |
Sum = 72 · next multiple of 10 = 80 · check digit = 8 · actual last digit = 8
A valid check digit only means the number is well-formed. It does not mean the provider is licensed, active, or in good standing — those are separate questions answered by the sections above.