DR. TANYA LUGLIANI STEWART MD
NPI 1841252335
Internal Medicine - Hospice and Palliative Medicine in Lake Oswego, OR
NPI Status: Active since April 03, 2006
Contact Information
5 CENTERPOINTE DR
SUITE 600
LAKE OSWEGO, OR
ZIP 97035
Phone: (503) 746-0052
- Individual
- Female
- Internal Medicine
- Hospice and Palliative Medicine
- PECOS Enrolled
About TANYA STEWART
This page provides the complete NPI Profile along with additional information for Tanya Stewart, an internist established in Lake Oswego, Oregon with a medical specialization in Internal Medicine, focusing in hospice and palliative medicine . The healthcare provider is registered in the NPI registry with number 1841252335 assigned on April 2006. The practitioner's primary taxonomy code is 207RH0002X with license number MD 00041240 (WA). The provider is registered as an individual and her NPI record was last updated April 2026.
- NPI
- 1841252335
- Provider Name
- DR. TANYA LUGLIANI STEWART MD
- Other Name
- TANYA MARIA LUGLIANI
- Other Name Type
- Former Name (1)
- Gender
- Female
- Entity Type
- Individual
- Location Address
- 5 CENTERPOINTE DR SUITE 600 LAKE OSWEGO, OR 97035
- Location Phone
- (503) 746-0052
- Mailing Address
- 5 CENTERPOINTE DR SUITE 600 LAKE OSWEGO, OR 97035
- Mailing Phone
- (503) 746-0052
- Is Sole Proprietor?
- No
- Enumeration Date
- 04-03-2006
- Last Update Date
- 04-10-2026
- Code Navigator
An internist like Tanya Stewart is a physician who has completed an internal medicine residency and is board-certified or board-eligible in an internist specialty. Internists are trained to care for adults of all ages for many different medical conditions. An internist typically monitors chronic physical conditions, identifies acute diseases, provides family planning, provides counseling about wellness and disease prevention, etc.
Location Map
Specialty - Primary Taxonomy
The NPI enumerator requires providers to submit at least one taxonomy code. A taxonomy code is a unique 10-character code that describes the healthcare provider type, classification, and the area of specialization. There could be only one primary taxonomy code per NPI record. For individual NPIs the license data is associated to the taxonomy code.
- Classification
Internal Medicine Hospice and Palliative Medicine
- Taxonomy Code
- 207RH0002X
- Type
- Allopathic & Osteopathic Physicians
- License No.
- MD 00041240
- License State
- WA
- Taxonomy Description
- An internal medicine physician with special knowledge and skills to prevent and relieve the suffering experienced by patients with life-limiting illnesses. This specialist works with an interdisciplinary hospice or palliative care team to maximize quality of life while addressing physical, psychological, social and spiritual needs of both patient and family throughout the course of the disease, through the dying process, and beyond for the family. This specialist has expertise in the assessment of patients with advanced disease; the relief of distressing symptoms; the coordination of interdisciplinary patient and family-centered care in diverse venues; the use of specialized care systems including hospice; the management of the imminently dying patient; and legal and ethical decision making in end-of-life care.
Secondary Taxonomies
The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.
| No. | Taxonomy Code | Type | Classification / Specialization |
License No. (State) |
|---|---|---|---|---|
| 1 | 207R00000X | Allopathic & Osteopathic Physicians | Internal Medicine | MD23189 (OR) |
| 2 | 207RH0002X | Allopathic & Osteopathic Physicians | Internal Medicine | A74253 (CA) |
| 3 | 208D00000X | Allopathic & Osteopathic Physicians | General Practice | MD00041240 (WA) |
Medicare Participation & PECOS Enrollment Status
Tanya Stewart is enrolled in PECOS and is eligible to order or refer health care services for Medicare patients. The provider is eligible to order or refer: Part B Clinical Laboratory and Imaging, Durable Medical Equipment (DME), a Home Health Agency (HHA) and Power Mobility Devices.
What is PECOS?
PECOS is the online Medicare enrollment management system or Provider, Enrollment, Chain and Ownership System. The PECOS system is a database of providers who have registered with CMS as providers or suppliers. PECOS is the primary source of information about verified Medicare professionals. Providers that want to participate in this program need to enroll in PECOS with their NPI number to avoid denied claims.
Is the provider registered in PECOS? Yes
Eligible to Order or Refer Part B Clinical Laboratory and Imaging: Yes
Eligible to Order or Refer Durable Medical Equipment (DMEPOS): Yes
Eligible to Order or Refer a Home Health Agency (HHA): Yes
Eligible to Order or Refer Power Mobility Devices: Yes
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NPI NPI Number Validation
How NPI Validation Works
The NPI validation process uses the ISO-standard Luhn algorithm, a mathematical "handshake", to ensure that a provider's 10-digit ID is authentic and free of common typing errors.
To verify the NPI 1841252335, we treat the final digit (5) as the Check Digit—the target answer we need to reach. The process begins by taking the first nine digits and adding a constant value of 24, which accounts for the "80840" prefix required for all U.S. health identifiers. We then double every other digit starting from the right and sum the individual digits of those results together. For this specific NPI, that total comes to 65. The final step is to find the difference between that total and the next multiple of ten (70 - 65 = 5).
Digit-by-digit view
Use the first nine digits for the calculation. Starting from the right, double every other digit. The last digit is the check digit and is not part of the calculation.
Step 1: Double every other digit from the right
Starting with the rightmost digit of the first nine digits, double every other value. If doubling creates a two-digit number, add those digits together.
Step 2: Add all digits plus the NPI constant
Add the transformed values, the unchanged digits, and the constant 24.
Step 3: Find the amount needed to reach the next multiple of 10
The next multiple of ten after 65 is 70. The difference is the calculated check digit.
Other Providers at the Same Location
The following 18 providers are registered at the same or a nearby location.
LAKE OSWEGO, OR 97035
LAKE OSWEGO, OR 97035
LAKE OSWEGO, OR 97035
LAKE OSWEGO, OR 97035
LAKE OSWEGO, OR 97035
LAKE OSWEGO, OR 97035
LAKE OSWEGO, OR 97035
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1841252335, enumerated as an "individual" on April 03, 2006.
The provider is located at 5 CENTERPOINTE DR SUITE 600 LAKE OSWEGO, OR 97035 and the phone number is (503) 746-0052.
Internal Medicine with taxonomy code 207RH0002X and a focus in Hospice and Palliative Medicine.
