DR. HANSEL LIM MD
NPI 1174225361
Internal Medicine in Oakland, CA

NPI Status: Active since March 20, 2023

Contact Information

1411 EAST 31ST ST
A2 WING
OAKLAND, CA
ZIP 94602
Phone: (510) 437-4800
Fax: (510) 535-7313

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  • Individual
  • Male
  • Internal Medicine

About HANSEL LIM

This page provides the complete NPI Profile along with additional information for Hansel Lim, an internist established in Oakland, California with a medical specialization in Internal Medicine. The healthcare provider is registered in the NPI registry with number 1174225361 assigned on March 2023. The practitioner's primary taxonomy code is 207R00000X with license number A208930 (CA). The provider is registered as an individual and his NPI record was last updated June 2026.

NPI
1174225361
Provider Name
DR. HANSEL LIM MD
Gender
Male
Entity Type
Individual
Location Address
1411 EAST 31ST ST A2 WING OAKLAND, CA 94602
Location Phone
(510) 437-4800
Location Fax
(510) 535-7313
Mailing Address
1411 EAST 31ST ST A2 WING OAKLAND, CA 94602
Mailing Phone
(510) 437-4800
Mailing Fax
(510) 535-7313
Is Sole Proprietor?
No
Enumeration Date
03-20-2023
Last Update Date
06-01-2026
Code Navigator

An internist like Hansel Lim 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

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

Taxonomy Code
207R00000X
Type
Allopathic & Osteopathic Physicians
License No.
A208930
License State
CA
Taxonomy Description
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

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

 

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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 1174225361, 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 49. The final step is to find the difference between that total and the next multiple of ten (50 - 49 = 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
1
Unchanged
Pos 3
7
Doubled → 14 → 1 + 4
Pos 4
4
Unchanged
Pos 5
2
Doubled → 4
Pos 6
2
Unchanged
Pos 7
5
Doubled → 10 → 1 + 0
Pos 8
3
Unchanged
Pos 9
6
Doubled → 12 → 1 + 2
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 7 → 14 → 5 2 → 4 5 → 10 → 1 6 → 12 → 3

Step 2: Add all digits plus the NPI constant

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

2 + 1 + 1 + 4 + 4 + 4 + 2 + 1 + 0 + 3 + 1 + 2 + 24 = 49

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

The next multiple of ten after 49 is 50. The difference is the calculated check digit.

50 - 49 = 1
This NPI is valid
The calculated check digit is 1, which matches the last digit of 1174225361.

Other Providers at the Same Location


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

Emergency Medicine
1411 EAST 31ST ST
OAKLAND, CA 94602
Clinical Nurse Specialist (Emergency)
1411 EAST 31ST ST
OAKLAND, CA 94602
Emergency Medicine
1411 EAST 31ST ST
OAKLAND, CA 94602
Pediatrics
1411 EAST 31ST ST, OAKCARE MEDICAL GROUP
OAKLAND, CA 94602
Internal Medicine
1411 EAST 31ST ST, OAKCARE MEDICAL GROUP
OAKLAND, CA 94602
Obstetrics & Gynecology
1411 EAST 31ST ST, OAKCARE MEDICAL GROUP
OAKLAND, CA 94602
Social Worker
1411 EAST 31ST ST, ACMC HIGHLAND CAMPUS
OAKLAND, CA 94602
Social Worker (Clinical)
1411 EAST 31ST ST, ACMC HIGHLAND CAMPUS
OAKLAND, CA 94602
Student in an Organized Health Care Education/Training Program
1411 EAST 31ST ST, A2 WING
OAKLAND, CA 94602
Student in an Organized Health Care Education/Training Program
1411 EAST 31ST ST, A2 WING
OAKLAND, CA 94602
Emergency Medicine
1411 EAST 31ST ST, QIC 22123
OAKLAND, CA 94602
Student in an Organized Health Care Education/Training Program
1411 EAST 31ST ST, 2ND FLR A2
OAKLAND, CA 94602
Internal Medicine
1411 EAST 31ST ST, A2 WING
OAKLAND, CA 94602

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1174225361, enumerated as an "individual" on March 20, 2023.

The provider is located at 1411 EAST 31ST ST A2 WING OAKLAND, CA 94602 and the phone number is (510) 437-4800.

Internal Medicine with taxonomy code 207R00000X.