Supriya Khan, MD
Nephrology (CMS) · Portland, OR
At a glance
1547 Ne 40Th Ave Ste B, Portland, OR 97232-1862
NPPES record updated Jul 3, 2026. 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
1547 Ne 40Th Ave Ste BPortland, OR 97232-1862
Additional reported practice locations
2020 Riverside DrGreen Bay, WI 543012300
Phone: 9204339920 911 Bypass Rd Bldg A
Pikeville, KY 415011689
Phone: 6062186408 19300 Sw 65Th Ave
Tualatin, OR 970627706
Phone: 5036921212
Education & affiliations
- Medical / professional school
- Not reported in this file
- Graduation year
- 1999
- CMS specialties
- Nephrology
CMS reports telehealth services for this clinician. Confirm current services and availability with the practice.
Practice groups
- American Healthcare Systems Llc
- Bellin Memorial Hospital Inc
- Legacy Meridian Park Hospital
- St Alexius Medical Center
Reported hospital affiliations
- Cheyenne Regional Medical Center Cheyenne, WY
- Chi St Alexius Health Bismarck, ND
- Chi St Alexius Health Dickinson Dickinson, ND
- Mercy Medical Center Roseburg, OR
- Providence Newberg Medical Center Newberg, OR
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 | $319.49 |
Reporting companies
| Company | Amount |
|---|---|
| NOVARTIS PHARMACEUTICALS CORPORATION | $92.12 |
| MALLINCKRODT HOSPITAL PRODUCTS INC. | $66.73 |
| CALLIDITAS THERAPEUTICS US INC. | $39.12 |
| AMGEN INC. | $38.50 |
| NOVO NORDISK INC | $34.95 |
| ANI PHARMACEUTICALS, INC. | $19.95 |
| ARDELYX, INC. | $15.70 |
| TRAVERE THERAPEUTICS, INC. | $12.42 |
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
- Nephrology (CMS)
- Taxonomy code
- 207RN0300X
- Enumeration date
- Oct 19, 2006
- Record updated
- Jul 3, 2026
More registry details
- Provider type
- Individual · Type 1
- Other reported name
- SUPRIYA MADDIRALA
- Reported credentials
- MD
Reported taxonomies and licenses
207RN0300X
License reported: 87744-20 WI
207RN0300X · Primary
License reported: MD 28660 OR
207RN0300X
License reported: MD60054413 WA
207RN0300X
License reported: 54992 KY
License numbers and credentials are reported to NPPES; HCPList does not independently verify them.
Practice location
1547 Ne 40Th Ave Ste BPortland, OR 97232-1862
- Phone
- (503) 284-1937
- Fax
- (503) 284-3908
Mailing address
1840 E RAY RDCHANDLER, AZ 852258720
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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