PENINSULA DERMATOLOGIC SURGERY INC
NPI 1598901340
Dermatology - MOHS-Micrographic Surgery in Menlo Park, CA

NPI Status: Active since December 29, 2008

Contact Information

321 MIDDLEFIELD RD # 245
MENLO PARK, CA
ZIP 94025
Phone: (650) 326-7222
Fax: (650) 326-7332

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  • Organization
  • Dermatology
  • MOHS-Micrographic Surgery
  • CLIA Number: 05D0986243
  • CLIA Cert. Type: Physician Office
  • CLIA Exp. Date: 05-31-2026

About PENINSULA DERMATOLOGIC SURGERY INC

This page provides the complete NPI Profile along with additional information for Peninsula Dermatologic Surgery Inc, a provider established in Menlo Park, California operating as a Dermatology, focusing in mohs-micrographic surgery . The healthcare provider is registered in the NPI registry with number 1598901340 assigned on December 2008. The practitioner's primary taxonomy code is 207ND0101X. The provider is registered as an organization and their NPI record was last updated 17 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. Jon C. Starr M.d. (Ceo)

NPI
1598901340
Provider Name
PENINSULA DERMATOLOGIC SURGERY INC
Entity Type
Organization
Location Address
321 MIDDLEFIELD RD # 245 MENLO PARK, CA 94025
Location Phone
(650) 326-7222
Location Fax
(650) 326-7332
Mailing Address
321 MIDDLEFIELD RD # 245 MENLO PARK, CA 94025
Mailing Phone
(650) 326-7222
Mailing Fax
(650) 326-7332
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
12-29-2008
Last Update Date
04-10-2009
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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

Dermatology MOHS-Micrographic Surgery

Taxonomy Code
207ND0101X
Type
Allopathic & Osteopathic Physicians
Taxonomy Description
The highly-trained surgeons that perform Mohs Micrographic Surgery are specialists both in dermatology and pathology. With their extensive knowledge of the skin and unique pathological skills, they are able to remove only diseased tissue, preserving healthy tissue and minimizing the cosmetic impact of the surgery. Mohs surgeons who belong to the American College of Mohs Surgery (ACMS) have completed a minimum of one year of fellowship training at one of the ACMS-approved training centers in the U.S.

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. JON C. STARR M.D.

Authorized Official Title
CEO
Authorized Official Phone
(650) 326-7222

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
05D0986243
Facility Type
Physician Office
Certificate Effective Date
May 29, 2024
Certificate Expiration Date
May 31, 2026
Laboratory Director
CAROLINE DOO
Certificate Type
Certificate of Compliance
Certificate Type Description
This CLIA certificate is issued to Peninsula Dermatologic Surgery Inc 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.

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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 1598901340, 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
5
Unchanged
Pos 3
9
Doubled → 18 → 1 + 8
Pos 4
8
Unchanged
Pos 5
9
Doubled → 18 → 1 + 8
Pos 6
0
Unchanged
Pos 7
1
Doubled → 2
Pos 8
3
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 9 → 18 → 9 9 → 18 → 9 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 + 5 + 1 + 8 + 8 + 1 + 8 + 0 + 2 + 3 + 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 1598901340.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1598901340, enumerated as an "organization" on December 29, 2008.

The provider is located at 321 MIDDLEFIELD RD # 245 MENLO PARK, CA 94025 and the phone number is (650) 326-7222.

Dermatology with taxonomy code 207ND0101X and a focus in MOHS-Micrographic Surgery.