GREGORY A JEFFERS MD
NPI 1477579472
Psychiatry & Neurology - Psychiatry in San Francisco, CA

NPI Status: Active since July 14, 2006

Contact Information

1001 POTRERO AVE
RM 7M
SAN FRANCISCO, CA
ZIP 94110
Phone: (415) 206-5612
Fax: (415) 206-8942

Get Directions Write a Review

  • Individual
  • Male
  • Psychiatry & Neurology
  • Psychiatry

About GREGORY JEFFERS

This page provides the complete NPI Profile along with additional information for Gregory Jeffers, a provider established in San Francisco, California with a medical specialization in Psychiatry & Neurology, focusing in psychiatry . The healthcare provider is registered in the NPI registry with number 1477579472 assigned on July 2006. The practitioner's primary taxonomy code is 2084P0800X with license number A37601 (CA). The provider is registered as an individual and his NPI record was last updated 19 years ago.

NPI
1477579472
Provider Name
GREGORY A JEFFERS MD
Gender
Male
Entity Type
Individual
Location Address
1001 POTRERO AVE RM 7M SAN FRANCISCO, CA 94110
Location Phone
(415) 206-5612
Location Fax
(415) 206-8942
Mailing Address
PO BOX 7464 SAN FRANCISCO, CA 94120
Mailing Phone
(415) 206-3103
Mailing Fax
(415) 206-8942
Is Sole Proprietor?
No
Enumeration Date
07-14-2006
Last Update Date
07-08-2007
Code Navigator

A psychiatrist like Gregory Jeffers are primary mental health physicians diagnose and treat mental illnesses through psychotherapy, psychoanalysis, hospitalization and medication. Psychiatrist help patients find solutions through changes in their behavioral patterns, explorations of experiences, group and family therapy.

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

Psychiatry & Neurology Psychiatry

Taxonomy Code
2084P0800X
Type
Allopathic & Osteopathic Physicians
License No.
A37601
License State
CA
Taxonomy Description
A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.

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.

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
F10278MEDICARE UPIN (02) 
00A376010MEDICARE ID-TYPE UNSPECIFIED (04)CA 

Reviews for GREGORY A JEFFERS MD

There are currently no reviews for this provider. Be the first person to share your experience with this provider by filling out our review form. Your insights are appreciated and will help others make informed decisions.

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 1477579472, we treat the final digit (2) 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 68. The final step is to find the difference between that total and the next multiple of ten (70 - 68 = 2).

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
4
Unchanged
Pos 3
7
Doubled → 14 → 1 + 4
Pos 4
7
Unchanged
Pos 5
5
Doubled → 10 → 1 + 0
Pos 6
7
Unchanged
Pos 7
9
Doubled → 18 → 1 + 8
Pos 8
4
Unchanged
Pos 9
7
Doubled → 14 → 1 + 4
Check
2
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 7 → 14 → 5 5 → 10 → 1 9 → 18 → 9 7 → 14 → 5

Step 2: Add all digits plus the NPI constant

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

2 + 4 + 1 + 4 + 7 + 1 + 0 + 7 + 1 + 8 + 4 + 1 + 4 + 24 = 68

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

The next multiple of ten after 68 is 70. The difference is the calculated check digit.

70 - 68 = 2
This NPI is valid
The calculated check digit is 2, which matches the last digit of 1477579472.

Other Providers at the Same Location


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

Nurse Practitioner (Family)
1001 POTRERO AVE, 5H6
SAN FRANCISCO, CA 94110
Nurse Practitioner (Acute Care)
1001 POTRERO AVE, ROOM 3B13
SAN FRANCISCO, CA 94110
Emergency Medicine
1001 POTRERO AVE
SAN FRANCISCO, CA 94110
Physician Assistant (Medical)
1001 POTRERO AVE
SAN FRANCISCO, CA 94110
Pediatrics
1001 POTRERO AVE, MAIL STOP 6E
SAN FRANCISCO, CA 94110
Anesthesiology
1001 POTRERO AVE, RM 3C34
SAN FRANCISCO, CA 94110
Anesthesiology
1001 POTRERO AVE, RM 3C34
SAN FRANCISCO, CA 94110
Obstetrics & Gynecology
1001 POTRERO AVE, RM 6D14
SAN FRANCISCO, CA 94110
Obstetrics & Gynecology
1001 POTRERO AVE, RM 6D14
SAN FRANCISCO, CA 94110
Radiology (Diagnostic Radiology)
1001 POTRERO AVE, RM 1X55
SAN FRANCISCO, CA 94110
Family Medicine
1001 POTRERO AVE, BLDG 80 WARD 83
SAN FRANCISCO, CA 94110
Neurological Surgery
1001 POTRERO AVE, RM 4M39
SAN FRANCISCO, CA 94110
Obstetrics & Gynecology
1001 POTRERO AVE, RM 6D14
SAN FRANCISCO, CA 94110
Obstetrics & Gynecology
1001 POTRERO AVE, RM 6D14
SAN FRANCISCO, CA 94110
Anesthesiology
1001 POTRERO AVE, RM 3C34
SAN FRANCISCO, CA 94110
Obstetrics & Gynecology
1001 POTRERO AVE, RM 6D14
SAN FRANCISCO, CA 94110
Neurological Surgery
1001 POTRERO AVE, RM 4M39
SAN FRANCISCO, CA 94110
Obstetrics & Gynecology
1001 POTRERO AVE, RM 6D14
SAN FRANCISCO, CA 94110
Family Medicine
1001 POTRERO AVE, BLDG 80 WARD 83
SAN FRANCISCO, CA 94110
Neurological Surgery
1001 POTRERO AVE, BUILDING 1, ROOM 101
SAN FRANCISCO, CA 94110

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1477579472, enumerated as an "individual" on July 14, 2006.

The provider is located at 1001 POTRERO AVE RM 7M SAN FRANCISCO, CA 94110 and the phone number is (415) 206-5612.

Psychiatry & Neurology with taxonomy code 2084P0800X and a focus in Psychiatry.

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