DR. DANIELLE NICOLE PEREZ SHARP MD
NPI 1639639461
Pediatrics - Neonatal-Perinatal Medicine in San Francisco, CA

NPI Status: Active since March 19, 2019

Contact Information

550 16TH ST FL HALL4
SAN FRANCISCO, CA
ZIP 94143
Phone: (415) 476-5001

NPI Profile Information
Primary Taxonomy
Secondary Taxonomies
Secondary Locations
Medicare Participation & PECOS Status
NPI Validation
Other Providers Same Location
Frequently Asked Questions

Individual
Female
Pediatrics
Neonatal-Perinatal Medicine
PECOS Enrolled

About DANIELLE SHARP

This page provides the complete NPI Profile along with additional information for Danielle Sharp, a pediatrician established in San Francisco, California with a medical specialization in Pediatrics, focusing in neonatal-perinatal medicine . The healthcare provider is registered in the NPI registry with number 1639639461 assigned on March 2019. The practitioner's primary taxonomy code is 2080N0001X with license number A176883 (CA). The provider is registered as an individual and her NPI record was last updated one year ago.

NPI: 1639639461
Provider Name: DR. DANIELLE NICOLE PEREZ SHARP MD
Other Name: DR. DANIELLE NICOLE PEREZ MD
Other Name Type: Former Name (1)
Gender: Female
Entity Type: Individual
Location Address: 550 16TH ST FL HALL4 SAN FRANCISCO, CA 94143
Location Phone: (415) 476-5001
Mailing Address: 453 QUARRY RD NEONATOLOGY MC 5660 PALO ALTO, CA 94304
Mailing Phone: (650) 723-5711
Is Sole Proprietor?: No
Enumeration Date: 03-19-2019
Last Update Date: 08-20-2025
Code Navigator

A pediatrician like Danielle Sharp is a physician who has completed a pediatric residency and is board-certified or board-eligible in a pediatric specialty. Pediatric care providers are trained to care for newborns, infants, children and adolescents. A pediatrician could perform physical exams, manage vaccinations, monitor development milestones, diagnose illnesses, infections, injuries or other health problems, etc.

Location Map

Secondary Locations

1001 Potrero Ave. Bldg. 5, #6M
San Francisco, CA 94110
(628) 206-8376
453 Quarry Rd Neonatology MC 5660
Palo Alto, CA 94304
(650) 723-5711

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: Pediatrics Neonatal-Perinatal Medicine
Taxonomy Code: 2080N0001X
Type: Allopathic & Osteopathic Physicians
License No.: A176883
License State: CA
Taxonomy Description: A pediatrician who is the principal care provider for sick newborn infants. Clinical expertise is used for direct patient care and for consulting with obstetrical colleagues to plan for the care of mothers who have high-risk pregnancies.

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)
1	208000000X	Allopathic & Osteopathic Physicians	Pediatrics	A176883 (CA)
2	390200000X	Student, Health Care	Student in an Organized Health Care Education/Training Program

Medicare Participation & PECOS Enrollment Status

Danielle Sharp is enrolled in PECOS and is eligible to order or refer health care services for Medicare patients. The provider is eligible to order or refer: Part B Clinical Laboratory and Imaging, Durable Medical Equipment (DME), a Home Health Agency (HHA) and Power Mobility Devices.

What is PECOS?
PECOS is the online Medicare enrollment management system or Provider, Enrollment, Chain and Ownership System. The PECOS system is a database of providers who have registered with CMS as providers or suppliers. PECOS is the primary source of information about verified Medicare professionals. Providers that want to participate in this program need to enroll in PECOS with their NPI number to avoid denied claims.

Is the provider registered in PECOS? Yes
Eligible to Order or Refer Part B Clinical Laboratory and Imaging: Yes
Eligible to Order or Refer Durable Medical Equipment (DMEPOS): Yes
Eligible to Order or Refer a Home Health Agency (HHA): Yes
Eligible to Order or Refer Power Mobility Devices: Yes

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 1639639461, we treat the final digit (1) 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 69. The final step is to find the difference between that total and the next multiple of ten (70 - 69 = 1).

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

Doubled → 2

Pos 2

Unchanged

Pos 3

Doubled → 6

Pos 4

Unchanged

Pos 5

Doubled → 12 → 1 + 2

Pos 6

Unchanged

Pos 7

Doubled → 18 → 1 + 8

Pos 8

Unchanged

Pos 9

Doubled → 12 → 1 + 2

Check

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 3 → 6 6 → 12 → 3 9 → 18 → 9 6 → 12 → 3

Step 2: Add all digits plus the NPI constant

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

2 + 6 + 6 + 9 + 1 + 2 + 3 + 1 + 8 + 4 + 1 + 2 + 24 = 69

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

The next multiple of ten after 69 is 70. The difference is the calculated check digit.

70 - 69 = 1

This NPI is valid

The calculated check digit is 1, which matches the last digit of 1639639461.