DOWNTOWN INTERNAL MEDICINE MEDICAL GROUP
NPI 1225234099
Internal Medicine in San Francisco, CA

NPI Status: Active since June 26, 2007

Contact Information

450 SUTTER ST
SUITE 1723
SAN FRANCISCO, CA
ZIP 94108
Phone: (415) 362-7177
Fax: (415) 362-8309

Get Directions Write a Review

  • Organization
  • Internal Medicine
  • CLIA Number: 05D0593479
  • CLIA Cert. Type: Physician Office
  • CLIA Exp. Date: 10-31-2025

About DOWNTOWN INTERNAL MEDICINE MEDICAL GROUP

This page provides the complete NPI Profile along with additional information for Downtown Internal Medicine Medical Group, an internist established in San Francisco, California operating as a Internal Medicine. The healthcare provider is registered in the NPI registry with number 1225234099 assigned on June 2007. The practitioner's primary taxonomy code is 207R00000X. The provider is registered as an organization and their NPI record was last updated 16 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 Larry D Bryson Md (Director)

NPI
1225234099
Provider Name
DOWNTOWN INTERNAL MEDICINE MEDICAL GROUP
Entity Type
Organization
Location Address
450 SUTTER ST SUITE 1723 SAN FRANCISCO, CA 94108
Location Phone
(415) 362-7177
Location Fax
(415) 362-8309
Mailing Address
450 SUTTER ST SUITE 1723 SAN FRANCISCO, CA 94108
Mailing Phone
(415) 362-7177
Mailing Fax
(415) 362-8309
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
06-26-2007
Last Update Date
05-26-2010
Code Navigator

An internist like Downtown Internal Medicine Medical Group 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
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.

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

LARRY D BRYSON MD

Authorized Official Title
DIRECTOR
Authorized Official Phone
(415) 362-7177

CLIA Information

The Clinical Laboratory Improvement Amendments (CLIA) of 1988 applies to facilities or sites that test human specimens for health assessment or to diagnose, prevent, or treat disease. The CLIA Program sets standards for clinical laboratory testing and issues certificates. The NPI / CLIA crosswalk information for this NPI number is:

CLIA Number
05D0593479
Facility Type
Physician Office
Certificate Effective Date
August 18, 2022
Certificate Expiration Date
October 31, 2025
Laboratory Director
ELISE GRENIER
Certificate Type
Certificate of Compliance
Certificate Type Description
This CLIA certificate is issued to Downtown Internal Medicine Medical Group after an inspection that finds the laboratory to be in compliance with all applicable CLIA requirements. This type of certificate is issued to laboratories that perform nonwaived (moderate and/or high complexity) testing.

Reviews for DOWNTOWN INTERNAL MEDICINE MEDICAL GROUP

There are currently no reviews for this provider. Be the first person to share your experience with this provider by filling out our review form. Your insights are appreciated and will help others make informed decisions.

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 1225234099, 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
2
Doubled → 4
Pos 4
5
Unchanged
Pos 5
2
Doubled → 4
Pos 6
3
Unchanged
Pos 7
4
Doubled → 8
Pos 8
0
Unchanged
Pos 9
9
Doubled → 18 → 1 + 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 2 → 4 2 → 4 4 → 8 9 → 18 → 9

Step 2: Add all digits plus the NPI constant

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

2 + 2 + 4 + 5 + 4 + 3 + 8 + 0 + 1 + 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 1225234099.

Other Providers at the Same Location


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

Dentist (General Practice)
450 SUTTER ST, SUITE 1330
SAN FRANCISCO, CA 94108
Dermatology
450 SUTTER ST, STE 1306
SAN FRANCISCO, CA 94108
Physical Therapist (Orthopedic)
450 SUTTER ST, SUITE 1038
SAN FRANCISCO, CA 94108
Surgery (Surgery of the Hand)
450 SUTTER ST, SUITE 1533
SAN FRANCISCO, CA 94108
Dentist
450 SUTTER ST, SUITE 2340
SAN FRANCISCO, CA 94108
Podiatrist
450 SUTTER ST, #1101
SAN FRANCISCO, CA 94108
Dermatology
450 SUTTER ST, STE 1306
SAN FRANCISCO, CA 94108
Dentist (General Practice)
450 SUTTER ST, SUITE 2130
SAN FRANCISCO, CA 94108
Otolaryngology
450 SUTTER ST, SUITE 933
SAN FRANCISCO, CA 94108
Dentist
450 SUTTER ST, SUITE 2530
SAN FRANCISCO, CA 94108
Dermatology
450 SUTTER ST, SUITE #830
SAN FRANCISCO, CA 94108
Physical Therapist
450 SUTTER ST, SUITE 2640
SAN FRANCISCO, CA 94108
Ophthalmology
450 SUTTER ST, SUITE 1918
SAN FRANCISCO, CA 94108
Dentist (Oral and Maxillofacial Surgery)
450 SUTTER ST, SUITE 2230
SAN FRANCISCO, CA 94108
Dentist (General Practice)
450 SUTTER ST, SUITE 1839
SAN FRANCISCO, CA 94108
Physical Therapist
450 SUTTER ST, SUITE #2640
SAN FRANCISCO, CA 94108
Dentist (General Practice)
450 SUTTER ST, SUITE 1800
SAN FRANCISCO, CA 94108
Dentist (General Practice)
450 SUTTER ST, STE 1819
SAN FRANCISCO, CA 94108
Dentist (Prosthodontics)
450 SUTTER ST, 2600
SAN FRANCISCO, CA 94108
Dentist
450 SUTTER ST, SUITE 2428
SAN FRANCISCO, CA 94108

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1225234099, enumerated as an "organization" on June 26, 2007.

The provider is located at 450 SUTTER ST SUITE 1723 SAN FRANCISCO, CA 94108 and the phone number is (415) 362-7177.

Internal Medicine with taxonomy code 207R00000X.