ARJUN DATT LAW
NPI 1053284307
Internal Medicine - Hematology & Oncology in Seattle, WA

NPI Status: Active since September 24, 2025

Contact Information

825 EASTLAKE AVE E
SEATTLE, WA
ZIP 98109
Phone: (206) 520-5000

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  • Individual
  • Male
  • Years of Experience 20
  • Internal Medicine
  • Hematology & Oncology
  • Accepts Medicare Approved Payment
  • PECOS Enrolled

About ARJUN LAW

This page provides the complete NPI Profile along with additional information for Arjun Law, an internist established in Seattle, Washington with a medical specialization in Internal Medicine, focusing in hematology & oncology and more than 20 years of experience. The healthcare provider is registered in the NPI registry with number 1053284307 assigned on September 2025. The practitioner's primary taxonomy code is 207RH0003X with license number TR61667829 (WA). The provider is registered as an individual and his NPI record was last updated one year ago.

NPI
1053284307
Provider Name
ARJUN DATT LAW
Gender
Male
Entity Type
Individual
Location Address
825 EASTLAKE AVE E SEATTLE, WA 98109
Location Phone
(206) 520-5000
Mailing Address
PO BOX 50095 SEATTLE, WA 98145
Medical School Name
OTHER
Graduation Year
2006
Is Sole Proprietor?
No
Enumeration Date
09-24-2025
Last Update Date
09-30-2025
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An internist like Arjun Law 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

Secondary Locations

  • 1959 NE Pacific St
    Seattle, WA 98195
    (206) 520-5000

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 Hematology & Oncology

Taxonomy Code
207RH0003X
Type
Allopathic & Osteopathic Physicians
License No.
TR61667829
License State
WA
Taxonomy Description
An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.

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)
1207R00000XAllopathic & Osteopathic Physicians

Internal Medicine

TR61667829 (WA)
2207RX0202XAllopathic & Osteopathic Physicians

Internal Medicine
Medical Oncology

TR61667829 (WA)

Medicare Participation & PECOS Enrollment Status

Arjun Law is registered with Medicare and accepts claims assignment, this means the provider accepts the approved amount for the cost of rendered services as full payment. Participating providers may not charge beneficiaries more than the approved amount for their services. Please keep in mind that beneficiaries still have to pay a coinsurance or copayment amount for a visit or service.

Arjun Law 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

  • PECOS PAC ID: 9830686567

    What is the PECOS Associate Control ID?
    A PAC ID is a unique 10-digit number assigned to an individual or organization healthcare provider in PECOS. The PAC ID is used to link together all the provider information, like tax identification numbers and organizational names. A PAC ID can be connected to multiple Enrollment IDs if an individual or organization has enrolled in PECOS more than once.

  • PECOS Enrollment ID: I20251015003429

    What is the Provider Enrollment ID?
    The Enrollment ID is a unique alphanumeric 15-digit code assigned to each new provider's PECOS enrollment application. The Enrollment ID is used to link together all the provider enrollment information like enrollment type, state, provider specialty, and reassignment of benefits.

  • Accepts Medicare Assignment? Yes

    What does it mean "accepts medicare assignment"?
    When a provider accepts Medicare assignment, the provider agrees to be paid directly by Medicare and to accept the payment amount approved by Medicare. Additionally, the provider agrees to not bill patients for more than the Medicare deductible and coinsurance amounts.
    A provider who doesn't accept assignment may charge you up to 15% over the Medicare-approved amount. This is known as the limiting charge. You may have to pay this amount, or it may be covered by another insurer.

  • 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

Physician Visit Costs



The typical physician office visit costs for Medicare beneficiaries in this area are: $47.34 for a new patient copayment and $27.75 for an established patient copayment.

The pricing information below displays the copayment minimum, maximum and average amount that patients under Medicare are charged when visiting this provider as a new or established patient. Please keep in mind that these prices are just for reference purposes, and the actual prices charged by the provider might be different.

For patients covered under private health plans the prices below are also useful as healthcare pricing for private insurance is usually established as a function of Medicare prices. Private insurance covered patients should check their individual plans to determine the exact pricing.

The prices below reflect the costs for new and established patients in the 98109 ZIP code area.

New Patients Visit Costs *

The most utilized procedure code for new patients office visits is 99205

  • Average New Patient Price $189.37
  • Minimum New Patient Price $63.67
  • Maximum New Patient Price $189.37
  • Average New Patient Copayment $47.34
  • Minimum New Patient Copayment $15.91
  • Maximum New Patient Copayment $47.34

Established Patients Visit Costs *

The most utilized procedure code for established patients office visits is 99214

  • Average Established Patient Price $111
  • Minimum Established Patient Price $21.12
  • Maximum Established Patient Price $155
  • Average Established Patient Copayment $27.75
  • Minimum Established Patient Copayment $5.28
  • Maximum Established Patient Copayment $38.75

* The physician office visit costs information is generated by statistical analysis of similar providers in the same geographical area. The pricing information above IS NOT the amount charged by this provider.

Find Provider Hospital Affiliations - Privileges

Doctors and physicians must apply for hospital privileges to treat patients at hospitals. Find out if your doctor has privileges to practice at your preferred hospital by using the hospital affiliation information below based on recent medical claims.

Hospital affiliation is identified through self-reporting data, inpatient, outpatient, physician and ancillary service claims linked by the medical claims NPI number and place of service code. Additionally, to further determine provider hospital affiliation the clinician must have provided services to at least three patients on three different dates in the last 12 months. Arjun Law is affiliated with the following medical facilities:

Hospital Name Address Phone Hospital Type Overall Rating
UNIVERSITY OF WASHINGTON MEDICAL CTR1959 NE PACIFIC ST BOX 356151
SEATTLE, WA 98195
(206) 598-3300Acute Care Hospitals

Reviews for ARJUN DATT LAW

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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 1053284307, we treat the final digit (7) 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 53. The final step is to find the difference between that total and the next multiple of ten (60 - 53 = 7).

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.

Pos 1
1
Doubled → 2
Pos 2
0
Unchanged
Pos 3
5
Doubled → 10 → 1 + 0
Pos 4
3
Unchanged
Pos 5
2
Doubled → 4
Pos 6
8
Unchanged
Pos 7
4
Doubled → 8
Pos 8
3
Unchanged
Pos 9
0
Doubled → 0
Check
7
Target digit
Regular digit Doubled digit Check digit

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.

1 → 2 5 → 10 → 1 2 → 4 4 → 8 0 → 0

Step 2: Add all digits plus the NPI constant

Add the transformed values, the unchanged digits, and the constant 24.

2 + 0 + 1 + 0 + 3 + 4 + 8 + 8 + 3 + 0 + 24 = 53

Step 3: Find the amount needed to reach the next multiple of 10

The next multiple of ten after 53 is 60. The difference is the calculated check digit.

60 - 53 = 7
This NPI is valid
The calculated check digit is 7, which matches the last digit of 1053284307.

Other Providers at the Same Location


The following 20 providers are registered at the same or a nearby location.

Physician Assistant
825 EASTLAKE AVE E
SEATTLE, WA 98109
Internal Medicine (Medical Oncology)
825 EASTLAKE AVE E, SUITE 3634
SEATTLE, WA 98109
Internal Medicine (Medical Oncology)
825 EASTLAKE AVE E
SEATTLE, WA 98109
Pharmacist
825 EASTLAKE AVE E
SEATTLE, WA 98109
Physician Assistant (Medical)
825 EASTLAKE AVE E
SEATTLE, WA 98109
Pharmacist (Pharmacotherapy)
825 EASTLAKE AVE E, G5-900
SEATTLE, WA 98109
Physician Assistant (Medical)
825 EASTLAKE AVE E
SEATTLE, WA 98109
Internal Medicine (Medical Oncology)
825 EASTLAKE AVE E
SEATTLE, WA 98109
Pediatrics (Pediatric Hematology-Oncology)
825 EASTLAKE AVE E
SEATTLE, WA 98109
Genetic Counselor, MS
825 EASTLAKE AVE E, E2-102
SEATTLE, WA 98109
Internal Medicine (Hematology & Oncology)
825 EASTLAKE AVE E
SEATTLE, WA 98109
Internal Medicine (Infectious Disease)
825 EASTLAKE AVE E
SEATTLE, WA 98109
Internal Medicine (Medical Oncology)
825 EASTLAKE AVE E, MAILSTOP G4-830
SEATTLE, WA 98109
Radiology (Diagnostic Radiology)
825 EASTLAKE AVE E
SEATTLE, WA 98109
Pathology (Anatomic Pathology & Clinical Pathology)
825 EASTLAKE AVE E, G7-800
SEATTLE, WA 98109
Physician Assistant
825 EASTLAKE AVE E
SEATTLE, WA 98109
Pediatrics (Pediatric Hematology-Oncology)
825 EASTLAKE AVE E
SEATTLE, WA 98109
Internal Medicine (Hematology & Oncology)
825 EASTLAKE AVE E
SEATTLE, WA 98109
Internal Medicine (Hematology)
825 EASTLAKE AVE E
SEATTLE, WA 98109
Pharmacist
825 EASTLAKE AVE E, MAILBOX 358081
SEATTLE, WA 98109

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1053284307, enumerated as an "individual" on September 24, 2025.

The provider is located at 825 EASTLAKE AVE E SEATTLE, WA 98109 and the phone number is (206) 520-5000.

Internal Medicine with taxonomy code 207RH0003X and a focus in Hematology & Oncology.

Arjun Law is affiliated with: UNIVERSITY OF WASHINGTON MEDICAL CTR.