IASSON YI MD
NPI 1598394181
Anesthesiology - Pain Medicine in Englewood, CO

NPI Status: Active since April 06, 2020

Contact Information

45 INVERNESS DR E STE 350
ENGLEWOOD, CO
ZIP 80112
Phone: (720) 870-7446

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  • Individual
  • Male
  • Years of Experience 6
  • Anesthesiology
  • Pain Medicine
  • Accepts Medicare Approved Payment
  • PECOS Enrolled

About IASSON YI

This page provides the complete NPI Profile along with additional information for Iasson Yi, a provider established in Englewood, Colorado with a medical specialization in Anesthesiology, focusing in pain medicine and more than 6 years of experience. He graduated from Howard University College Of Medicine in 2020. The healthcare provider is registered in the NPI registry with number 1598394181 assigned on April 2020. The practitioner's primary taxonomy code is 207LP2900X with license number DR.0075826 (CO). The provider is registered as an individual and his NPI record was last updated May 2026.

NPI
1598394181
Provider Name
IASSON YI MD
Gender
Male
Entity Type
Individual
Location Address
45 INVERNESS DR E STE 350 ENGLEWOOD, CO 80112
Location Phone
(720) 870-7446
Mailing Address
145 INVERNESS DR E STE 350 ENGLEWOOD, CO 80112
Mailing Phone
(801) 581-3622
Medical School Name
HOWARD UNIVERSITY COLLEGE OF MEDICINE
Graduation Year
2020
Is Sole Proprietor?
No
Enumeration Date
04-06-2020
Last Update Date
05-07-2026
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Location Map

Secondary Locations

  • 8101 E Lowry Blvd Ste 120
    Denver, CO 80230
    (303) 909-4157
  • 30 N 1900 E Rm 3C444
    Salt Lake City, UT 84132
    (801) 581-3622

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

Anesthesiology Pain Medicine

Taxonomy Code
207LP2900X
Type
Allopathic & Osteopathic Physicians
License No.
DR.0075826
License State
CO
Taxonomy Description
An anesthesiologist who provides a high level of care, either as a primary physician or consultant, for patients experiencing problems with acute, chronic and/or cancer pain in both hospital and ambulatory settings. Patient care needs are also coordinated with other specialists.

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)
1207L00000XAllopathic & Osteopathic Physicians

Anesthesiology

12420135-1205 (UT)

Medicare Participation & PECOS Enrollment Status

Iasson Yi 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.

Iasson Yi 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: 4981009933

    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: I20250822001574

    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

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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 1598394181, we treat the final digit (1) 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 79. The final step is to find the difference between that total and the next multiple of ten (80 - 79 = 1).

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
5
Unchanged
Pos 3
9
Doubled → 18 → 1 + 8
Pos 4
8
Unchanged
Pos 5
3
Doubled → 6
Pos 6
9
Unchanged
Pos 7
4
Doubled → 8
Pos 8
1
Unchanged
Pos 9
8
Doubled → 16 → 1 + 6
Check
1
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 9 → 18 → 9 3 → 6 4 → 8 8 → 16 → 7

Step 2: Add all digits plus the NPI constant

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

2 + 5 + 1 + 8 + 8 + 6 + 9 + 8 + 1 + 1 + 6 + 24 = 79

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

The next multiple of ten after 79 is 80. The difference is the calculated check digit.

80 - 79 = 1
This NPI is valid
The calculated check digit is 1, which matches the last digit of 1598394181.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1598394181, enumerated as an "individual" on April 06, 2020.

The provider is located at 45 INVERNESS DR E STE 350 ENGLEWOOD, CO 80112 and the phone number is (720) 870-7446.

Anesthesiology with taxonomy code 207LP2900X and a focus in Pain Medicine.