ROBERT HARF ORTHOPAEDICS A PROFESSIONAL CORPORATION
NPI 1639474356
Orthopaedic Surgery - Orthopaedic Surgery of the Spine in Sonoma, CA

NPI Status: Active since January 12, 2011

Contact Information

181 ANDRIEUX ST
SUITE 111
SONOMA, CA
ZIP 95476
Phone: (707) 996-8017
Fax: (707) 996-8061

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  • Organization
  • Orthopaedic Surgery
  • Orthopaedic Surgery of the Spine

About ROBERT HARF ORTHOPAEDICS A PROFESSIONAL CORPORATION

This page provides the complete NPI Profile along with additional information for Robert Harf Orthopaedics A Professional Corporation, a provider established in Sonoma, California operating as a Orthopaedic Surgery, focusing in orthopaedic surgery of the spine . The healthcare provider is registered in the NPI registry with number 1639474356 assigned on January 2011. The practitioner's primary taxonomy code is 207XS0117X with license number A40626 (CA). The provider is registered as an organization and their NPI record was last updated 15 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 Robert Alan Harf Md (Owner & Managing Physician)

NPI
1639474356
Provider Name
ROBERT HARF ORTHOPAEDICS A PROFESSIONAL CORPORATION
Entity Type
Organization
Location Address
181 ANDRIEUX ST SUITE 111 SONOMA, CA 95476
Location Phone
(707) 996-8017
Location Fax
(707) 996-8061
Mailing Address
181 ANDRIEUX ST SUITE 111 SONOMA, CA 95476
Mailing Phone
(707) 996-8017
Mailing Fax
(707) 996-8061
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
01-12-2011
Last Update Date
01-12-2011
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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

Orthopaedic Surgery Orthopaedic Surgery of the Spine

Taxonomy Code
207XS0117X
Type
Allopathic & Osteopathic Physicians
License No.
A40626
License State
CA
Taxonomy Description
Recognized by several state medical boards as a fellowship subspecialty program of orthopaedic surgery, orthopaedic surgeons of the spine deal with the evaluation and nonoperative and operative treatment of the full spectrum of primary spinal disorders including trauma, degenerative, deformity, tumor, and reconstructive.

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)
1207X00000XAllopathic & Osteopathic Physicians

Orthopaedic Surgery

A40626 (CA)

Group Taxonomy 193400000X MULTIPLE 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.

Insurance Plans Accepted

According to publicly available information the provider might be accepting the following health plans from these health insurance companies:

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

*Please verify directly with this provider to make sure your insurance plan is currently accepted.

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

ROBERT ALAN HARF MD

Authorized Official Title
OWNER & MANAGING PHYSICIAN
Authorized Official Phone
(707) 996-8017

Additional Identifiers

The NPI Enumerator encourages providers to submit additional identifiers with their NPI application although the submission of this information is optional. The additional identifier(s) section includes other numbers or codes currently or formerly used as an identifier for the provider by other public healthcare entities. The identifiers may include UPIN, NSC, OSCAR, DEA, Medicaid State or PIN identification numbers.

Identifier Type / Code Identifier State Identifier Issuer
00A406260MEDICARE PIN (08)CA 

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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 1639474356, we treat the final digit (6) 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 74. The final step is to find the difference between that total and the next multiple of ten (80 - 74 = 6).

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
6
Unchanged
Pos 3
3
Doubled → 6
Pos 4
9
Unchanged
Pos 5
4
Doubled → 8
Pos 6
7
Unchanged
Pos 7
4
Doubled → 8
Pos 8
3
Unchanged
Pos 9
5
Doubled → 10 → 1 + 0
Check
6
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 4 → 8 4 → 8 5 → 10 → 1

Step 2: Add all digits plus the NPI constant

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

2 + 6 + 6 + 9 + 8 + 7 + 8 + 3 + 1 + 0 + 24 = 74

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

The next multiple of ten after 74 is 80. The difference is the calculated check digit.

80 - 74 = 6
This NPI is valid
The calculated check digit is 6, which matches the last digit of 1639474356.

Other Providers at the Same Location


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

Pediatrics
181 ANDRIEUX ST, SUITE 208
SONOMA, CA 95476
Pediatrics
181 ANDRIEUX ST, SUITE 208
SONOMA, CA 95476
Family Medicine
181 ANDRIEUX ST, SUITE 201
SONOMA, CA 95476
Dentist
181 ANDRIEUX ST, SUITE 104
SONOMA, CA 95476
Psychologist (Clinical)
181 ANDRIEUX ST, #204
SONOMA, CA 95476
Specialist
181 ANDRIEUX ST, SUITE 107
SONOMA, CA 95476
Eyewear Supplier
181 ANDRIEUX ST, SUITE 100
SONOMA, CA 95476
Ophthalmology
181 ANDRIEUX ST, SUITE 100
SONOMA, CA 95476
Marriage & Family Therapist
181 ANDRIEUX ST, 210
SONOMA, CA 95476
Ophthalmology
181 ANDRIEUX ST, SUITE 100
SONOMA, CA 95476
Internal Medicine
181 ANDRIEUX ST, SUITE 206
SONOMA, CA 95476
Acupuncturist
181 ANDRIEUX ST, #105
SONOMA, CA 95476
Obstetrics & Gynecology
181 ANDRIEUX ST, SUITE108
SONOMA, CA 95476
Chiropractor
181 ANDRIEUX ST, SUITE 201
SONOMA, CA 95476
Physician Assistant
181 ANDRIEUX ST, SUITE 103
SONOMA, CA 95476
Nurse Practitioner (Family)
181 ANDRIEUX ST, SUITE #202
SONOMA, CA 95476
Community Health Worker
181 ANDRIEUX ST, SUITE 210
SONOMA, CA 95476
Physician Assistant
181 ANDRIEUX ST
SONOMA, CA 95476
Dietitian, Registered
181 ANDRIEUX ST, SUITE 208
SONOMA, CA 95476
Internal Medicine
181 ANDRIEUX ST, SUITE 202
SONOMA, CA 95476

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1639474356, enumerated as an "organization" on January 12, 2011.

The provider is located at 181 ANDRIEUX ST SUITE 111 SONOMA, CA 95476 and the phone number is (707) 996-8017.

Orthopaedic Surgery with taxonomy code 207XS0117X and a focus in Orthopaedic Surgery of the Spine.

The provider might be accepting Accepts: Medicare and Medicaid. Please consult your insurance carrier or call the provider to verify.