SHELLEY SALPETER MD
NPI 1548156078
Internal Medicine - Geriatric Medicine in San Mateo, CA

NPI Status: Active since June 12, 2025

Contact Information

1900 S NORFOLK ST STE 350
SAN MATEO, CA
ZIP 94403
Phone: (650) 532-2321
Fax: (650) 532-2333

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  • Organization
  • Internal Medicine
  • Geriatric Medicine

About SHELLEY SALPETER MD

This page provides the complete NPI Profile along with additional information for Shelley Salpeter Md, an internist established in San Mateo, California operating as a Internal Medicine, focusing in geriatric medicine . The healthcare provider is registered in the NPI registry with number 1548156078 assigned on June 2025. The practitioner's primary taxonomy code is 207RG0300X. The provider is registered as an organization and their NPI record was last updated one year ago. Shelley Salpeter Md operates as a Multi-Specialty Group with one or more individual practitioners, who practice different areas of specialization. The authorized official of this NPI record is Dr. Shelley Ruth Salpeter Md (Owner)

NPI
1548156078
Provider Name
SHELLEY SALPETER MD
Entity Type
Organization
Location Address
1900 S NORFOLK ST STE 350 SAN MATEO, CA 94403
Location Phone
(650) 532-2321
Location Fax
(650) 532-2333
Mailing Address
215 BROOKWOOD RD WOODSIDE, CA 94062
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
06-12-2025
Last Update Date
06-12-2025
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An internist like Shelley Salpeter Md 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 Geriatric Medicine

Taxonomy Code
207RG0300X
Type
Allopathic & Osteopathic Physicians
Taxonomy Description
An internist who has 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.

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)
1207Q00000XAllopathic & Osteopathic Physicians

Family Medicine

 
2207R00000XAllopathic & Osteopathic Physicians

Internal Medicine

 
3207RH0002XAllopathic & Osteopathic Physicians

Internal Medicine
Hospice and Palliative Medicine

 

Group Taxonomy 193200000X MULTI-SPECIALTY GROUP

This provider is a business group of one or more individual practitioners, who practice with different areas 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. SHELLEY RUTH SALPETER MD

Authorized Official Title
OWNER
Authorized Official Phone
(650) 532-2321

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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 1548156078, we treat the final digit (8) 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 62. The final step is to find the difference between that total and the next multiple of ten (70 - 62 = 8).

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
4
Doubled → 8
Pos 4
8
Unchanged
Pos 5
1
Doubled → 2
Pos 6
5
Unchanged
Pos 7
6
Doubled → 12 → 1 + 2
Pos 8
0
Unchanged
Pos 9
7
Doubled → 14 → 1 + 4
Check
8
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 1 → 2 6 → 12 → 3 7 → 14 → 5

Step 2: Add all digits plus the NPI constant

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

2 + 5 + 8 + 8 + 2 + 5 + 1 + 2 + 0 + 1 + 4 + 24 = 62

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

The next multiple of ten after 62 is 70. The difference is the calculated check digit.

70 - 62 = 8
This NPI is valid
The calculated check digit is 8, which matches the last digit of 1548156078.

Other Providers at the Same Location


The following 5 providers are registered at the same or a nearby location.

In Home Supportive Care
1900 S NORFOLK ST STE 350
SAN MATEO, CA 94403
Psychiatry & Neurology (Psychiatry)
1900 S NORFOLK ST STE 350
SAN MATEO, CA 94403
Clinic/Center (Hearing and Speech)
1900 S NORFOLK ST STE 350
SAN MATEO, CA 94403
Speech-Language Pathologist
1900 S NORFOLK ST STE 350
SAN MATEO, CA 94403
Internal Medicine (Geriatric Medicine)
1900 S NORFOLK ST STE 350
SAN MATEO, CA 94403

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1548156078, enumerated as an "organization" on June 12, 2025.

The provider is located at 1900 S NORFOLK ST STE 350 SAN MATEO, CA 94403 and the phone number is (650) 532-2321.

Internal Medicine with taxonomy code 207RG0300X and a focus in Geriatric Medicine.