PATAN GULTAWATVICHAI (M.D.) – Hematology & Oncology Physician, NPI 1720335987
Hematology & Oncology Physician
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NPPES metrics only — not quality of care.
606 HEMATOLOGY/ONCOLOGY in MA
Provider Addresses for PATAN GULTAWATVICHAI (M.D.)
55 Lake Ave N
Worcester, MA 01655
Phone: (508) 334-3550
Fax: (774) 442-6715
Type: Location
2720 Commercial St SE
Salem, OR 973024495
Phone: (971) 314-4522
Fax: (971) 314-4527
Type: Location
275 Nichols Rd
Fitchburg, MA 014201919
Phone: (978) 343-5048
Type: Location
PO BOX 415348
BOSTON, MA 022415348
Phone: (800) 225-8885
Fax: (508) 334-1977
Type: Mailing
55 LAKE AVE N
WORCESTER, MA 01655
Phone: (508) 334-3550
Fax: (774) 442-6715
Type: Location
5 NEPONSET ST
WORCESTER, MA 016062714
Phone:
Type: Mailing
9495 SW LOCUST ST STE G
PORTLAND, OR 972236683
Phone: (971) 314-4522
Fax: (971) 314-4527
Type: Location
5 Neponset St
Worcester, MA 016062714
Phone: (508) 556-5400
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 23 Open Payments records for all available years, with a total value of $858.
Total Amount is formed as General ($858) + Research ($0) + Ownership ($0) = $858.
Last reported payment date: 2024-12-25 • Largest payer in this snapshot: ABBVIE INC. ($124).
Total Amount
$858
General + Research + Ownership
Payments
23
Total payment records
General Amount
$858
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-25
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| ABBVIE INC. | $124 |
| Aveo Pharmaceuticals, Inc. | $100 |
| Rigel Pharmaceuticals, Inc. | $98 |
| Deciphera Pharmaceuticals Inc. | $49 |
| Celgene Corporation | $42 |
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2024-10-02
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 2 Medicare enrollment records; no due dates published yet.
Enrollment records
2
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20180827002355 | I | Hematology/Oncology | MA | TBD |
| I20241002002058 | I | Hematology/Oncology | OR | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| Q0138 | Injection, ferumoxytol, for treatment of iron deficiency anemia, 1 mg (non-esrd use) | 6,630 | 12 | $0 |
| J1756 | Injection, iron sucrose, 1 mg | 3,100 | 12 | $0 |
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | 92 | 49 | $0 |
| 96375 | Injection of additional new drug or substance into vein | 73 | 36 | $0 |
| J3489 | Injection, zoledronic acid, 1 mg | 68 | 14 | $0 |
Insurance plans in this area (ZIP 01655)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Nurse Practitioner | OR | |
| Nurse Practitioner | OR | |
| Hematology/Oncology, Internal Medicine | MA |
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