RICHARD LONDON, M.D., L.L.C.
NPI 1558795914
Family Medicine - Geriatric Medicine in Milwaukee, WI

NPI Status: Active since August 21, 2013

Contact Information

5000 W CHAMBERS ST
MILWAUKEE, WI
ZIP 53210
Phone: (414) 375-9040
Fax: (815) 301-9747

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NPPES record last updated: August 21, 2013. Verified against the NPPES registry weekly; last sync: July 12, 2026.

  • Organization
  • Family Medicine
  • Geriatric Medicine

About RICHARD LONDON, M.D., L.L.C.

This page provides the complete NPI Profile along with additional information for Richard London, M.d., L.l.c., a primary care provider established in Milwaukee, Wisconsin operating as a Family Medicine, focusing in geriatric medicine . The healthcare provider is registered in the NPI registry with number 1558795914 assigned on August 2013. The practitioner's primary taxonomy code is 207QG0300X with license number 26420 (WI). The provider is registered as an organization and their NPI record was last updated 13 years ago. The organization operates as a Single Specialty Group with one or more individual practitioners, all of who practice with the same area of specialization. The authorized official of this NPI record is Dr. Richard L London M.d. (Sole Member)

NPI
1558795914
Provider Name
RICHARD LONDON, M.D., L.L.C.
Entity Type
Organization
Location Address
5000 W CHAMBERS ST MILWAUKEE, WI 53210
Location Phone
(414) 375-9040
Location Fax
(815) 301-9747
Mailing Address
PO BOX 170168 MILWAUKEE, WI 53217
Mailing Phone
(414) 375-9040
Mailing Fax
(815) 301-9747
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
08-21-2013
Last Update Date
08-21-2013
Code Navigator

A primary care provider (PCP) like Richard London, M.d., L.l.c. sees people with common medical problems. The primary care provider might be a doctor, physician assistant, nurse practitioner or clinic that are usually involved in your long-term care. A PCP might provide preventive care, treat common medical conditions, identify urgent medical problems and refer you to specialists when necessary. Primary care is usually provided in an outpatient facility but if you are admitted to a hospital your PCP may assist in your care. The most common medical conditions seen by primary care providers are: hypertension, upper respiratory tract infections, depression or anxiety, back pain, arthritis, dermatitis, diabetes, urinary tract infections, 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

Family Medicine Geriatric Medicine

Taxonomy Code
207QG0300X
Type
Allopathic & Osteopathic Physicians
License No.
26420
License State
WI
Taxonomy Description
A family medicine physician with special knowledge of the aging process and special skills in the diagnostic, therapeutic, preventive and rehabilitative aspects of illness in the elderly. This specialist cares for geriatric patients in the patient's home, the office, long-term care settings such as nursing homes, and the hospital.

Group Taxonomy 193400000X SINGLE SPECIALTY GROUP

This provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.

Authorized Official

The authorized official is the designated individual with the legal authority to make changes to the provider’s official NPI record. For organizations, the authorized official must be a general partner, chairman of the board, CEO, CFO or a direct owner holding at least a 5 percent stake in the medical organization.

Authorized Official Name

DR. RICHARD L LONDON M.D.

Authorized Official Title
SOLE MEMBER
Authorized Official Phone
(414) 375-9040

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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 1558795914, we treat the final digit (4) 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 66. The final step is to find the difference between that total and the next multiple of ten (70 - 66 = 4).

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

Step 2: Add all digits plus the NPI constant

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

2 + 5 + 1 + 0 + 8 + 1 + 4 + 9 + 1 + 0 + 9 + 2 + 24 = 66

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

The next multiple of ten after 66 is 70. The difference is the calculated check digit.

70 - 66 = 4
This NPI is valid
The calculated check digit is 4, which matches the last digit of 1558795914.

Other Providers at the Same Location


The following 20 providers are registered at the same or a nearby location.

Physical Medicine & Rehabilitation
5000 W CHAMBERS ST
MILWAUKEE, WI 53210
Internal Medicine
5000 W CHAMBERS ST, SUITE N240A
MILWAUKEE, WI 53210
Internal Medicine
5000 W CHAMBERS ST, SUITE N240A
MILWAUKEE, WI 53210
Physical Medicine & Rehabilitation
5000 W CHAMBERS ST
MILWAUKEE, WI 53210
Internal Medicine (Cardiovascular Disease)
5000 W CHAMBERS ST
MILWAUKEE, WI 53210
Surgery (Vascular Surgery)
5000 W CHAMBERS ST
MILWAUKEE, WI 53210
Anesthesiology
5000 W CHAMBERS ST
MILWAUKEE, WI 53210
Anesthesiology
5000 W CHAMBERS ST, HOSPITAL BASED @ ST. JOSEPH HOSP
MILWAUKEE, WI 53210
Anesthesiology
5000 W CHAMBERS ST
MILWAUKEE, WI 53210
Internal Medicine
5000 W CHAMBERS ST, SUITE 2222
MILWAUKEE, WI 53210
Anesthesiology
5000 W CHAMBERS ST
MILWAUKEE, WI 53210
Anesthesiology
5000 W CHAMBERS ST
MILWAUKEE, WI 53210
Emergency Medicine
5000 W CHAMBERS ST
MILWAUKEE, WI 53210
Emergency Medicine
5000 W CHAMBERS ST
MILWAUKEE, WI 53210
Physician Assistant
5000 W CHAMBERS ST
MILWAUKEE, WI 53210
Emergency Medicine
5000 W CHAMBERS ST
MILWAUKEE, WI 53210
Physician Assistant
5000 W CHAMBERS ST
MILWAUKEE, WI 53210
Emergency Medicine
5000 W CHAMBERS ST
MILWAUKEE, WI 53210
Nurse Practitioner
5000 W CHAMBERS ST, SUITE 2222
MILWAUKEE, WI 53210
Social Worker (Clinical)
5000 W CHAMBERS ST, POB-P-210
MILWAUKEE, WI 53210

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1558795914, enumerated as an "organization" on August 21, 2013.

The provider is located at 5000 W CHAMBERS ST MILWAUKEE, WI 53210 and the phone number is (414) 375-9040.

Family Medicine with taxonomy code 207QG0300X and a focus in Geriatric Medicine.