SPENCER H WENGER MD
NPI 1649271040
Internal Medicine in Hawthorne, CA

Active since August 09, 2005
12618 HAWTHORNE BLVD., HAWTHORNE, CA 90250(310) 263-5700 Get Directions Write a Review

NPPES record last updated: November 18, 2021. Verified against the NPPES registry weekly; last sync: July 19, 2026.

Record update history: Nov 18, 2021, Jul 14, 2017 (2 updates tracked since 2017).

  • Individual
  • Male
  • Internal Medicine

About SPENCER WENGER

This page provides the complete NPI Profile along with additional information for Spencer Wenger, an internist established in Hawthorne, California with a medical specialization in Internal Medicine. The healthcare provider is registered in the NPI registry with number 1649271040 assigned on August 2005. The practitioner's primary taxonomy code is 207R00000X with license number A33619 (CA). The provider is registered as an individual and his NPI record was last updated 5 years ago.

NPI
1649271040
Provider Name
SPENCER H WENGER MD
Gender
Male
Entity Type
Individual
Location Address
12618 HAWTHORNE BLVD. HAWTHORNE, CA 90250
Location Phone
(310) 263-5700
Mailing Address
12618 HAWTHORNE BLVD. HAWTHORNE, CA 90250
Mailing Phone
(310) 263-5700
Is Sole Proprietor?
No
Enumeration Date
08-09-2005
Last Update Date
11-18-2021
Code Navigator

An internist like Spencer Wenger 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.
A33619
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.

Insurance Plans Accepted

According to publicly available information the provider might be accepting the following health plans from these health insurance companies:

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

*Please verify directly with this provider to make sure your insurance plan is currently accepted.

Additional Identifiers

The NPI Enumerator encourages providers to submit additional identifiers with their NPI application although the submission of this information is optional. The additional identifier(s) section includes other numbers or codes currently or formerly used as an identifier for the provider by other public healthcare entities. The identifiers may include UPIN, NSC, OSCAR, DEA, Medicaid State or PIN identification numbers.

Identifier Type / Code Identifier State Identifier Issuer
00A336190MEDICAID (05)CA 

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.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

This service was performed 26 times for 24 patients

Insertion of needle into vein for collection of blood sample

This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.

This service was performed 16 times for 16 patients

X-ray of chest, 2 views

A chest X-ray, 2 views, is a quick, painless test that creates pictures of the structures inside your chest, such as your heart, lungs, and blood vessels. Two different angles are used to get a comprehensive view. This helps in diagnosing conditions like pneumonia, heart problems, or lung cancer.

This service was performed 24 times for 22 patients

Reviews for SPENCER H WENGER MD

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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 1649271040, we treat the final digit (0) 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 70. The final step is to find the difference between that total and the next multiple of ten (70 - 70 = 0).

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
6
Unchanged
Pos 3
4
Doubled → 8
Pos 4
9
Unchanged
Pos 5
2
Doubled → 4
Pos 6
7
Unchanged
Pos 7
1
Doubled → 2
Pos 8
0
Unchanged
Pos 9
4
Doubled → 8
Check
0
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 4 → 8 2 → 4 1 → 2 4 → 8

Step 2: Add all digits plus the NPI constant

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

2 + 6 + 8 + 9 + 4 + 7 + 2 + 0 + 8 + 24 = 70

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

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

70 - 70 = 0
This NPI is valid
The calculated check digit is 0, which matches the last digit of 1649271040.

Other Providers at the Same Location


The following 7 providers are registered at the same or a nearby location.

Internal Medicine
12618 HAWTHORNE BLVD.
HAWTHORNE, CA 90250
Internal Medicine (Nephrology)
12618 HAWTHORNE BLVD.
HAWTHORNE, CA 90250
Pediatrics
12618 HAWTHORNE BLVD.
HAWTHORNE, CA 90250
Pediatrics
12618 HAWTHORNE BLVD.
HAWTHORNE, CA 90250
Family Medicine
12618 HAWTHORNE BLVD.
HAWTHORNE, CA 90250
Internal Medicine
12618 HAWTHORNE BLVD.
HAWTHORNE, CA 90250
Internal Medicine
12618 HAWTHORNE BLVD.
HAWTHORNE, CA 90250

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1649271040, enumerated as an "individual" on August 09, 2005.

The provider is located at 12618 HAWTHORNE BLVD. HAWTHORNE, CA 90250 and the phone number is (310) 263-5700.

Internal Medicine with taxonomy code 207R00000X.

The provider might be accepting Accepts: Medicare and Medicaid. Please consult your insurance carrier or call the provider to verify.