Patan Gultawatvichai, M.D.
NPI 1720335987 · Hematology & Oncology Physician · Portland, OR
Enrolled with Medicare as Practitioner - Hematology/Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Patan Gultawatvichai, M.D. is a Hematology & Oncology Physician provider in Portland, OR (NPI 1720335987).
Provider details
- NPI number
- 1720335987
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- MD221300 (OR)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
13 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
5 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
653 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Injection of Additional New Drug Or Substance Into Vein96375 | 120 | $16 |
| Infusion Into a Vein for Therapy, Prevention, Or Diagnosis, 1 Hour Or Less96365 | 115 | $65 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 80 | $132 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 79 | $185 |
| Administration of Chemotherapy Into Vein, 1 Hour Or Less96413 | 64 | $136 |
| Infusion Into a Vein for Therapy, Prevention, Or Diagnosis, Each Additional Hour96366 | 58 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 14 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Apixabanbrand: Eliquis | 100 | 20 |
| Dexamethasone | 49 | 27 |
| Prednisone | 47 | 13 |
| Prochlorperazine Maleate | 39 | 26 |
| Enzalutamidebrand: Xtandi | 32 | — |
| Abiraterone Acetate | 29 | — |
| Acyclovir | 28 | 14 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$606 across 20 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (4)
- 275 Nichols RdFitchburg, MA 01420-1919Phone: (978) 343-5048
- 5 Neponset StWorcester, MA 01606-2714Phone: (508) 556-5400
- 55 Lake Ave NWorcester, MA 01655Phone: (508) 334-3550Fax: (774) 442-6715
- 2720 Commercial St SeSalem, OR 97302-4495Phone: (971) 314-4522Fax: (971) 314-4527
Registry dates
- Enumerated
- 2012-08-07
- Last updated
- 2024-11-27
- Certified
- 2024-11-27
Frequently asked questions
- What is Patan Gultawatvichai's NPI number?
- Patan Gultawatvichai's National Provider Identifier (NPI) is 1720335987, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Patan Gultawatvichai's specialty?
- Patan Gultawatvichai is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Patan Gultawatvichai located?
- Patan Gultawatvichai's practice location on file with NPPES is 9495 Sw Locust St Ste G, Portland, OR 97223-6683.
- What is Patan Gultawatvichai's phone number?
- The practice phone number listed in the NPPES registry for Patan Gultawatvichai is (971) 314-4522.
- Does Patan Gultawatvichai accept Medicare?
- Patan Gultawatvichai is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Patan Gultawatvichai's NPI active?
- Yes — Patan Gultawatvichai's NPI (1720335987) is active in the NPPES registry as of the last update on 2024-11-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.