DR. CHELSEA ANNE YOUNG MD
NPI 1942695754
Psychiatry & Neurology - Child & Adolescent Psychiatry in Mill Valley, CA

NPI Status: Active since March 30, 2015

Contact Information

655 REDWOOD HWY FRONTAGE RD
MILL VALLEY, CA
ZIP 94941
Phone: (628) 245-3932
Fax: (865) 205-5228

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  • Individual
  • Female
  • Psychiatry & Neurology
  • Child & Adolescent Psychiatry
  • PECOS Enrolled

About CHELSEA YOUNG

This page provides the complete NPI Profile along with additional information for Chelsea Young, a provider established in Mill Valley, California with a medical specialization in Psychiatry & Neurology, focusing in child & adolescent psychiatry . The healthcare provider is registered in the NPI registry with number 1942695754 assigned on March 2015. The practitioner's primary taxonomy code is 2084P0804X with license number A143800 (CA). The provider is registered as an individual and her NPI record was last updated 2 years ago.

NPI
1942695754
Provider Name
DR. CHELSEA ANNE YOUNG MD
Gender
Female
Entity Type
Individual
Location Address
655 REDWOOD HWY FRONTAGE RD MILL VALLEY, CA 94941
Location Phone
(628) 245-3932
Location Fax
(865) 205-5228
Mailing Address
655 REDWOOD HWY FRONTAGE RD STE 261 MILL VALLEY, CA 94941
Mailing Phone
(628) 245-3932
Mailing Fax
(865) 205-5228
Is Sole Proprietor?
No
Enumeration Date
03-30-2015
Last Update Date
06-09-2024
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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

Psychiatry & Neurology Child & Adolescent Psychiatry

Taxonomy Code
2084P0804X
Type
Allopathic & Osteopathic Physicians
License No.
A143800
License State
CA
Taxonomy Description
Child & Adolescent Psychiatry is a subspecialty of psychiatry with additional skills and training in the diagnosis and treatment of developmental, behavioral, emotional, and mental disorders of childhood and adolescence.

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)
12084P0800XAllopathic & Osteopathic Physicians

Psychiatry & Neurology
Psychiatry

A143800 (CA)

Medicare Participation & PECOS Enrollment Status

Chelsea Young 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

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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 1942695754, 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
9
Unchanged
Pos 3
4
Doubled → 8
Pos 4
2
Unchanged
Pos 5
6
Doubled → 12 → 1 + 2
Pos 6
9
Unchanged
Pos 7
5
Doubled → 10 → 1 + 0
Pos 8
7
Unchanged
Pos 9
5
Doubled → 10 → 1 + 0
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 4 → 8 6 → 12 → 3 5 → 10 → 1 5 → 10 → 1

Step 2: Add all digits plus the NPI constant

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

2 + 9 + 8 + 2 + 1 + 2 + 9 + 1 + 0 + 7 + 1 + 0 + 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 1942695754.

Other Providers at the Same Location


The following 11 providers are registered at the same or a nearby location.

Pediatrics
655 REDWOOD HWY FRONTAGE RD, # 216
MILL VALLEY, CA 94941
Pediatrics
655 REDWOOD HWY FRONTAGE RD, SUITE 216
MILL VALLEY, CA 94941
Psychoanalyst
655 REDWOOD HWY FRONTAGE RD, SUITE 240
MILL VALLEY, CA 94941
Pediatrics
655 REDWOOD HWY FRONTAGE RD, SUITE 216
MILL VALLEY, CA 94941
Dentist
655 REDWOOD HWY FRONTAGE RD, #251
MILL VALLEY, CA 94941
Pediatrics
655 REDWOOD HWY FRONTAGE RD, SUITE 216
MILL VALLEY, CA 94941
Mechanotherapist
655 REDWOOD HWY FRONTAGE RD, SUITE 160
MILL VALLEY, CA 94941
Neuromusculoskeletal Medicine & OMM
655 REDWOOD HWY FRONTAGE RD, SUITE 160
MILL VALLEY, CA 94941
Naturopath
655 REDWOOD HWY FRONTAGE RD, SUITE 200
MILL VALLEY, CA 94941
Chiropractor (Orthopedic)
655 REDWOOD HWY FRONTAGE RD, SUITE 309
MILL VALLEY, CA 94941
Naturopath
655 REDWOOD HWY FRONTAGE RD
MILL VALLEY, CA 94941

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1942695754, enumerated as an "individual" on March 30, 2015.

The provider is located at 655 REDWOOD HWY FRONTAGE RD MILL VALLEY, CA 94941 and the phone number is (628) 245-3932.

Psychiatry & Neurology with taxonomy code 2084P0804X and a focus in Child & Adolescent Psychiatry.