CHRISTOPHER DEREK LEE MD
NPI 1265937049
Radiology - Neuroradiology in San Francisco, CA

Active since March 26, 2018PECOS EnrolledAccepts Medicare Assignment
505 PARNASSUS AVE # M391, SAN FRANCISCO, CA 94143(415) 476-1537 Get Directions Write a Review

NPPES record last updated: May 14, 2025. Verified against the NPPES registry weekly; last sync: July 19, 2026.

Record update history: May 14, 2025, Apr 7, 2025, Mar 26, 2018 (3 updates tracked since 2018).

  • Individual
  • Male
  • Years of Experience 9
  • Radiology
  • Neuroradiology
  • Accepts Medicare Approved Payment
  • PECOS Enrolled

About CHRISTOPHER LEE

This page provides the complete NPI Profile along with additional information for Christopher Lee, a provider established in San Francisco, California with a medical specialization in Radiology, focusing in neuroradiology and more than 9 years of experience. He graduated from Rutgers New Jersey Medical School in 2018. The healthcare provider is registered in the NPI registry with number 1265937049 assigned on March 2018. The practitioner's primary taxonomy code is 2085N0700X with license number A165127 (CA). The provider is registered as an individual and his NPI record was last updated one year ago.

NPI
1265937049
Provider Name
CHRISTOPHER DEREK LEE MD
Gender
Male
Entity Type
Individual
Location Address
505 PARNASSUS AVE # M391 SAN FRANCISCO, CA 94143
Location Phone
(415) 476-1537
Mailing Address
1101 N MAIN ST APT 617 LOS ANGELES, CA 90012
Mailing Phone
(732) 619-7828
Medical School Name
RUTGERS NEW JERSEY MEDICAL SCHOOL
Graduation Year
2018
Is Sole Proprietor?
No
Enumeration Date
03-26-2018
Last Update Date
05-14-2025
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Location Map

Secondary Locations

  • 100 Madison Ave
    Morristown, NJ 07960
    (973) 971-5000
  • 1983 Marengo St # D&t3D321
    Los Angeles, CA 90033
    (323) 409-7257
  • 798 S Winchester Blvd
    San Jose, CA 95128
    (650) 736-5319

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.
A165127
License State
CA
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)
1207U00000XAllopathic & Osteopathic Physicians

Nuclear Medicine

A165127 (CA)
22085R0202XAllopathic & Osteopathic Physicians

Radiology
Diagnostic Radiology

A165127 (CA)

Medicare Participation & PECOS Enrollment Status

Christopher Lee 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.

Christopher Lee 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: 7618363839

    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: I20230811002058

    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

Areas of Expertise

The following services and procedures, recently provided to Medicare patients, illustrate the range of care this provider offers. This list reflects the variety of services available to all patients visiting the practice and is based on 2022 Medicare dataset. In general, the more frequently a provider treats specific conditions or performs particular procedures, the more experienced they become in addressing similar patient needs. The provider has delivered many of the services listed below to Medicare patients. Please note that this list does not include services provided to patients who are not covered by Medicare.

3d radiographic procedure with computerized image postprocessing

A 3D radiographic procedure with computerized image postprocessing is a high-tech imaging test. It uses X-rays to create detailed 3D images of the body. The computerized postprocessing further enhances these images for more precise diagnosis and treatment planning.

This service was performed 20 times for 20 patients

Ct scan head or brain without contrast

A CT scan of the head or brain without contrast is a non-invasive imaging procedure. It uses X-rays to create detailed pictures of your brain, skull, and other structures inside your head. It helps to detect conditions like strokes, tumors, or injuries. No dye (contrast) is used in this test.

This service was performed 52 times for 50 patients

Ct scan of blood vessels of neck with contrast

A CT scan of the neck's blood vessels with contrast is a diagnostic procedure. It uses X-rays and a special dye to create detailed images of your neck's blood vessels. This helps doctors detect issues such as blockages or abnormalities.

This service was performed 11 times for 11 patients

Ct scan of soft tissue of neck with contrast

A CT scan of the neck with contrast is a non-invasive imaging procedure. A special dye is administered to highlight the soft tissues in your neck, making them easier to see. This helps detect issues like infections, tumors, or other abnormalities.

This service was performed 12 times for 12 patients

Ct scan of upper spine without contrast

A CT scan of the upper spine without contrast is a non-invasive imaging test that uses X-rays to capture detailed images of your neck and upper back. It helps in identifying issues like fractures, tumors, or infections. No dye (contrast) is used in this scan.

This service was performed 21 times for 21 patients

Fluorodeoxyglucose f-18 fdg, diagnostic, per study dose, up to 45 millicuries

Fluorodeoxyglucose F-18 FDG is a radioactive drug used in PET scans. It helps doctors see how your tissues and organs are functioning. The drug is given in a specific dose, up to 45 millicuries, depending on your body size and the type of scan.

This service was performed 93 times for 88 patients

Mri scan of brain before and after contrast

An MRI scan of the brain, both before and after contrast, helps visualize different brain structures. Initially, images are taken without a contrast agent. Then, a safe dye is injected which helps highlight certain areas, providing clearer, more detailed images.

This service was performed 44 times for 43 patients

Mri scan of brain before and after contrast

An MRI scan of the brain, both before and after contrast, helps visualize different brain structures. Initially, images are taken without a contrast agent. Then, a safe dye is injected which helps highlight certain areas, providing clearer, more detailed images.

This service was performed 22 times for 22 patients

Mri scan of brain without contrast

An MRI scan of the brain without contrast is a non-invasive imaging test. It uses a magnetic field and radio waves to create detailed images of your brain. It helps in detecting abnormalities like tumors, stroke, inflammation, or infection.

This service was performed 12 times for 12 patients

Nuclear medicine study from skull base to mid-thigh with ct scan

A nuclear medicine study from skull base to mid-thigh with a CT scan involves using a small amount of radioactive material and CT imaging to examine body tissues and organs. This helps detect any abnormalities by providing detailed images of the body's internal structure.

This service was performed 104 times for 99 patients

Nuclear medicine study whole body with ct scan

A Nuclear Medicine Study with a CT Scan is a diagnostic procedure. It uses a small amount of radioactive substance and a CT scan to create detailed images of your body. These images help doctors diagnose, monitor, and treat various conditions.

This service was performed 15 times for 14 patients

X-ray for bone length assessment

An X-ray for bone length assessment is a simple, non-invasive imaging test. It helps to evaluate the length of your bones and identify any discrepancies or abnormalities. This procedure is quick, painless, and provides valuable information for your healthcare provider.

This service was performed 13 times for 13 patients

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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 1265937049, we treat the final digit (9) 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 61. The final step is to find the difference between that total and the next multiple of ten (70 - 61 = 9).

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
2
Unchanged
Pos 3
6
Doubled → 12 → 1 + 2
Pos 4
5
Unchanged
Pos 5
9
Doubled → 18 → 1 + 8
Pos 6
3
Unchanged
Pos 7
7
Doubled → 14 → 1 + 4
Pos 8
0
Unchanged
Pos 9
4
Doubled → 8
Check
9
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 6 → 12 → 3 9 → 18 → 9 7 → 14 → 5 4 → 8

Step 2: Add all digits plus the NPI constant

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

2 + 2 + 1 + 2 + 5 + 1 + 8 + 3 + 1 + 4 + 0 + 8 + 24 = 61

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

The next multiple of ten after 61 is 70. The difference is the calculated check digit.

70 - 61 = 9
This NPI is valid
The calculated check digit is 9, which matches the last digit of 1265937049.

Other Providers at the Same Location


The following 17 providers are registered at the same or a nearby location.

Radiology (Neuroradiology)
505 PARNASSUS AVE # M391
SAN FRANCISCO, CA 94143
Radiology (Neuroradiology)
505 PARNASSUS AVE # M391
SAN FRANCISCO, CA 94143
Radiology (Vascular & Interventional Radiology)
505 PARNASSUS AVE # M391
SAN FRANCISCO, CA 94143
Radiology (Neuroradiology)
505 PARNASSUS AVE # M391
SAN FRANCISCO, CA 94143
Radiology (Diagnostic Radiology)
505 PARNASSUS AVE # M391
SAN FRANCISCO, CA 94143
Radiology (Diagnostic Radiology)
505 PARNASSUS AVE # M391
SAN FRANCISCO, CA 94143
Radiology (Vascular & Interventional Radiology)
505 PARNASSUS AVE # M391
SAN FRANCISCO, CA 94143
Radiology (Diagnostic Radiology)
505 PARNASSUS AVE # M391
SAN FRANCISCO, CA 94143
Radiology (Diagnostic Radiology)
505 PARNASSUS AVE # M391
SAN FRANCISCO, CA 94143
Radiology (Diagnostic Radiology)
505 PARNASSUS AVE # M391
SAN FRANCISCO, CA 94143
Radiology (Vascular & Interventional Radiology)
505 PARNASSUS AVE # M391
SAN FRANCISCO, CA 94143
Radiology (Neuroradiology)
505 PARNASSUS AVE # M391
SAN FRANCISCO, CA 94143
Radiology (Neuroradiology)
505 PARNASSUS AVE # M391
SAN FRANCISCO, CA 94143
Radiology (Neuroradiology)
505 PARNASSUS AVE # M391
SAN FRANCISCO, CA 94143
Radiology (Diagnostic Radiology)
505 PARNASSUS AVE # M391
SAN FRANCISCO, CA 94143
Radiology (Neuroradiology)
505 PARNASSUS AVE # M391
SAN FRANCISCO, CA 94143
Radiology (Diagnostic Radiology)
505 PARNASSUS AVE # M391
SAN FRANCISCO, CA 94143

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1265937049, enumerated as an "individual" on March 26, 2018.

The provider is located at 505 PARNASSUS AVE # M391 SAN FRANCISCO, CA 94143 and the phone number is (415) 476-1537.

Radiology with taxonomy code 2085N0700X and a focus in Neuroradiology.