LAWRENCE GUAN MD
NPI 1841828043
Radiology - Neuroradiology in Raleigh, NC
NPI Status: Active since April 01, 2020
Contact Information
3949 BROWNING PL
RALEIGH, NC
ZIP 27609
Phone: (919) 787-7411
Some details in this NPI profile have been updated in the NPI registry within the last 30 days.
- Individual
- Male
- Radiology
- Neuroradiology
- PECOS Enrolled
About LAWRENCE GUAN
This page provides the complete NPI Profile along with additional information for Lawrence Guan, a provider established in Raleigh, North Carolina with a medical specialization in Radiology, focusing in neuroradiology . The healthcare provider is registered in the NPI registry with number 1841828043 assigned on April 2020. The practitioner's primary taxonomy code is 2085N0700X with license number 2026-01004 (NC). The provider is registered as an individual and his NPI record was last updated June 2026.
- NPI
- 1841828043
- Provider Name
- LAWRENCE GUAN MD
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 3949 BROWNING PL RALEIGH, NC 27609
- Location Phone
- (919) 787-7411
- Mailing Address
- 3949 BROWNING PL RALEIGH, NC 27609
- Mailing Phone
- (919) 787-7411
- Is Sole Proprietor?
- No
- Enumeration Date
- 04-01-2020
- Last Update Date
- 06-03-2026
- Code Navigator
Location Map
Secondary Locations
- 20 York St
New Haven, CT 06510
(203) 688-4242
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
Radiology Neuroradiology
- Taxonomy Code
- 2085N0700X
- Type
- Allopathic & Osteopathic Physicians
- License No.
- 2026-01004
- License State
- NC
- Taxonomy Description
- A radiologist who diagnoses and treats diseases utilizing imaging procedures as they relate to the brain, spine and spinal cord, head, neck and organs of special sense in adults and children.
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 | 390200000X | Student, Health Care | Student in an Organized Health Care Education/Training Program |
Medicare Participation & PECOS Enrollment Status
Lawrence Guan 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: Durable Medical Equipment (DME) 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: No
Eligible to Order or Refer Durable Medical Equipment (DMEPOS): Yes
Eligible to Order or Refer a Home Health Agency (HHA): No
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 1841828043, we treat the final digit (3) 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 67. The final step is to find the difference between that total and the next multiple of ten (70 - 67 = 3).
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 67 is 70. The difference is the calculated check digit.
Other Providers at the Same Location
The following 20 providers are registered at the same or a nearby location.
RALEIGH, NC 27609
RALEIGH, NC 27609
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1841828043, enumerated as an "individual" on April 01, 2020.
The provider is located at 3949 BROWNING PL RALEIGH, NC 27609 and the phone number is (919) 787-7411.
Radiology with taxonomy code 2085N0700X and a focus in Neuroradiology.
