Patan Gultawatvichai, M.D.
Hematology/Oncology (CMS) · Portland, OR
At a glance
9495 Sw Locust St Ste G, Portland, OR 97223-6683
NPPES record updated Nov 27, 2024. Public records can lag behind changes at a practice.
Before you call: a quick checklist
- Are you accepting new patients?
- Do you accept my specific insurance plan?
- Do you provide the service I need at this address?
- Do I need a referral, and what is the earliest appointment?
Insurance participation and appointment availability are not established by these public records.
Medicare & insurance
Insurance participation is not established by these public records. Ask the practice and your insurer about your specific plan and this location.
How to check your coverage
Use your plan’s provider directory or the member-services number on your insurance card. Confirm the clinician, practice address, service, and whether a referral is required. A missing opt-out record does not establish Medicare acceptance.
Check the official Medicare directory ↗Practice location
9495 Sw Locust St Ste GPortland, OR 97223-6683
Additional reported practice locations
5 Neponset StWorcester, MA 016062714
Phone: 5085565400 55 Lake Ave N
Worcester, MA 01655
Phone: 5083343550
Fax: 7744426715 2720 Commercial St Se
Salem, OR 973024495
Phone: 9713144522
Fax: 9713144527 275 Nichols Rd
Fitchburg, MA 014201919
Phone: 9783435048
Education & affiliations
- Medical / professional school
- Not reported in this file
- Graduation year
- 2008
- CMS specialties
- Hematology/Oncology
CMS reports telehealth services for this clinician. Confirm current services and availability with the practice.
Practice groups
Reported hospital affiliations
- Legacy Meridian Park Medical Center Tualatin, OR
- Mercy Medical Center Roseburg, OR
- Umass Memorial Healthalliance Hospitals Leominster, MA
Graduation year does not establish years in practice. A reported affiliation does not establish employment, current admitting privileges, or insurance participation.
Source: CMS National Downloadable File · Published Oct 15, 2026.
Source: CMS Facility Affiliation Data · Published Oct 15, 2026.
Procedures in the public data
Reported activity can help you ask more informed questions about a practice’s services.
No displayed procedure-category record in this release. This does not mean the clinician performs no procedures.
CMS uses a one-year claims window with a reporting lag. Counts cover the Medicare activity included by CMS, not all patients. “1–10” is a published range. Volume is not a quality or outcomes score. Coverage and methodology
Source: CMS Utilization Data · Published Oct 15, 2026.
Find providers with a similar service mix
Compare 2024 published Medicare activity in the same reported specialty, here or in another city.
Industry-reported general payments
Includes reported transfers of value, such as meals, travel, or consulting. Payments do not establish improper conduct or quality of care. Research funding and ownership values are excluded from this total.
See payment purposes and reporting companies
Reported purposes
| Purpose | Amount |
|---|---|
| Food and beverage | $3,131.96 |
| Long-term medical supply or device loan | $598.20 |
| Education | $119.96 |
Reporting companies
| Company | Amount |
|---|---|
| NOVARTIS PHARMACEUTICALS CORPORATION | $803.17 |
| ASTRAZENECA PHARMACEUTICALS LP | $582.68 |
| PFIZER INC. | $233.45 |
| MERCK SHARP & DOHME LLC | $231.05 |
| E.R. SQUIBB & SONS, L.L.C. | $129.34 |
| JANSSEN BIOTECH, INC. | $117.23 |
| CELGENE CORPORATION | $108.90 |
| GENZYME CORPORATION | $107.75 |
| Other reporting companies | $1,536.55 |
Source: CMS 2025 payments grouped by covered recipient and nature of payments · Published Jun 30, 2026.
Professional details: NPI, taxonomy & registry record
Registry details
- Primary taxonomy
- Hematology/Oncology (CMS)
- Taxonomy code
- 207RH0003X
- Enumeration date
- Aug 7, 2012
- Record updated
- Nov 27, 2024
More registry details
- Provider type
- Individual · Type 1
- Reported credentials
- M.D.
Reported taxonomies and licenses
207RH0003X · Primary
License reported: MD221300 OR
207RH0003X
License reported: 274829 MA
License numbers and credentials are reported to NPPES; HCPList does not independently verify them.
Practice location
9495 Sw Locust St Ste GPortland, OR 97223-6683
- Phone
- (971) 314-4522
- Fax
- (971) 314-4527
Mailing address
5 NEPONSET STWORCESTER, MA 016062714
Information may be outdated or incomplete. Confirm details directly with the practice. HCPList is an independent directory and is not affiliated with CMS.
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