HALL WU MD
NPI 1952938375
Anesthesiology - Pain Medicine in San Diego, CA

NPI Status: Active since March 25, 2020

Contact Information

5395 RUFFIN RD STE 204
SAN DIEGO, CA
ZIP 92123
Phone: (858) 571-3630

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

About HALL WU

This page provides the complete NPI Profile along with additional information for Hall Wu, a provider established in San Diego, California with a medical specialization in Anesthesiology, focusing in pain medicine and more than 6 years of experience. The healthcare provider is registered in the NPI registry with number 1952938375 assigned on March 2020. The practitioner's primary taxonomy code is 207LP2900X with license number A181030 (CA). The provider is registered as an individual and his NPI record was last updated one year ago.

NPI
1952938375
Provider Name
HALL WU MD
Gender
Male
Entity Type
Individual
Location Address
5395 RUFFIN RD STE 204 SAN DIEGO, CA 92123
Location Phone
(858) 571-3630
Mailing Address
5395 RUFFIN RD STE 204 SAN DIEGO, CA 92123
Medical School Name
OTHER
Graduation Year
2020
Is Sole Proprietor?
Yes
Enumeration Date
03-25-2020
Last Update Date
08-27-2025
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Location Map

Secondary Locations

  • 2051 Marengo St
    Los Angeles, CA 90033
    (323) 409-1000
  • 16466 Bernardo Center Dr Ste 150
    San Diego, CA 92128
    (858) 571-3630
  • 5360 Jackson Dr Ste 100
    LA Mesa, CA 91942
    (858) 571-3630
  • 750 Med Ctr Ct Ste 14B
    Chula Vista, CA 91911
    (858) 571-3630

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.
A181030
License State
CA
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)
1390200000XStudent, Health Care

Student in an Organized Health Care Education/Training Program

 

Medicare Participation & PECOS Enrollment Status

Hall Wu is registered with Medicare but maybe doesn't accept claims assignment. If you are a Medicare beneficiary call and confirm with the provider before seeking any services.

Hall Wu 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: 5496291791

    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: I20250902003894

    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? Maybe

    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 1952938375, 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.

Pos 1
1
Doubled → 2
Pos 2
9
Unchanged
Pos 3
5
Doubled → 10 → 1 + 0
Pos 4
2
Unchanged
Pos 5
9
Doubled → 18 → 1 + 8
Pos 6
3
Unchanged
Pos 7
8
Doubled → 16 → 1 + 6
Pos 8
3
Unchanged
Pos 9
7
Doubled → 14 → 1 + 4
Check
5
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 9 → 18 → 9 8 → 16 → 7 7 → 14 → 5

Step 2: Add all digits plus the NPI constant

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

2 + 9 + 1 + 0 + 2 + 1 + 8 + 3 + 1 + 6 + 3 + 1 + 4 + 24 = 65

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.

70 - 65 = 5
This NPI is valid
The calculated check digit is 5, which matches the last digit of 1952938375.

Other Providers at the Same Location


The following 13 providers are registered at the same or a nearby location.

Nurse Practitioner
5395 RUFFIN RD STE 204
SAN DIEGO, CA 92123
Physical Medicine & Rehabilitation (Pain Medicine)
5395 RUFFIN RD STE 204
SAN DIEGO, CA 92123
Physical Medicine & Rehabilitation (Pain Medicine)
5395 RUFFIN RD STE 204
SAN DIEGO, CA 92123
Nurse Practitioner (Family)
5395 RUFFIN RD STE 204
SAN DIEGO, CA 92123
Physician Assistant
5395 RUFFIN RD STE 204
SAN DIEGO, CA 92123
Anesthesiology (Pain Medicine)
5395 RUFFIN RD STE 204
SAN DIEGO, CA 92123
Pain Medicine (Pain Medicine)
5395 RUFFIN RD STE 204
SAN DIEGO, CA 92123
Nurse Practitioner
5395 RUFFIN RD STE 204
SAN DIEGO, CA 92123
Physician Assistant
5395 RUFFIN RD STE 204
SAN DIEGO, CA 92123
Physical Medicine & Rehabilitation (Pain Medicine)
5395 RUFFIN RD STE 204
SAN DIEGO, CA 92123
Pain Medicine (Interventional Pain Medicine)
5395 RUFFIN RD STE 204
SAN DIEGO, CA 92123
Pain Medicine (Pain Medicine)
5395 RUFFIN RD STE 204
SAN DIEGO, CA 92123
Nurse Practitioner
5395 RUFFIN RD STE 204
SAN DIEGO, CA 92123

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1952938375, enumerated as an "individual" on March 25, 2020.

The provider is located at 5395 RUFFIN RD STE 204 SAN DIEGO, CA 92123 and the phone number is (858) 571-3630.

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