DR. SHERI L TASK M.D.
NPI 1124063789
Obstetrics & Gynecology in Hayward, CA
NPI Status: Active since June 18, 2006
Contact Information
27212 CALAROGA AVE
HAYWARD, CA
ZIP 94545
Phone: (510) 785-5000
Fax: (510) 784-2402
- Individual
- Female
- Obstetrics & Gynecology
- Opted-Out Medicare
About SHERI TASK
This page provides the complete NPI Profile along with additional information for Sheri Task, a women's health care provider established in Hayward, California with a medical specialization in Obstetrics & Gynecology. The healthcare provider is registered in the NPI registry with number 1124063789 assigned on June 2006. The practitioner's primary taxonomy code is 207V00000X with license number G79269 (CA). The provider is registered as an individual and her NPI record was last updated 19 years ago.
- NPI
- 1124063789
- Provider Name
- DR. SHERI L TASK M.D.
- Gender
- Female
- Entity Type
- Individual
- Location Address
- 27212 CALAROGA AVE HAYWARD, CA 94545
- Location Phone
- (510) 785-5000
- Location Fax
- (510) 784-2402
- Mailing Address
- 27212 CALAROGA AVE HAYWARD, CA 94545
- Mailing Phone
- (510) 785-5000
- Mailing Fax
- (510) 784-2402
- Is Sole Proprietor?
- Yes
- Enumeration Date
- 06-18-2006
- Last Update Date
- 07-08-2007
- Code Navigator
Women's health care providers like Sheri Task treat and diagnose diseases and conditions that affect a woman's physical and emotional health. Women's health professionals come from a variety of different specialties, including obstetrician/gynecologists, general surgeons, perinatologists, physician assistants, nurse practitioners or nurse midwives. A women's health provider might help you with family planning, breast care, pregnancy and child birth, osteoporosis, menopause, heart disease, etc.
The provider doesn't accept Medicare and has signed an affidavit to be excluded from the Medicare program. If you are a Medicare beneficiary this means a provider can charge whatever they want for services rendered but must follow certain rules to do so. Sheri Task opted out of Medicare effective on 08-06-2020 until 08-06-2026. Opt out periods last for two years and cannot be terminated unless the provider is opting out for the very first time and the affidavit is terminated no later than 90 days after the opt out effective date. Opt-out affidavits might renew automatically renew every two years. The provider opted out of Medicare and cannot order and refer services to other healthcare providers.
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
Obstetrics & Gynecology
- Taxonomy Code
- 207V00000X
- Type
- Allopathic & Osteopathic Physicians
- License No.
- G79269
- License State
- CA
- Taxonomy Description
- An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.
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 |
|---|---|---|---|
| G14391 | MEDICARE UPIN (02) | CA |
Medicare Participation & PECOS Enrollment Status
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.
Opted-Out of Medicare? Yes
Opt-Out Effective Date: 08-06-2020
Opt-Out End Date: 08-06-2026
Eligible to Order and Refer? No
Reviews for DR. SHERI L TASK M.D.
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 1124063789, we treat the final digit (9) 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 61. The final step is to find the difference between that total and the next multiple of ten (70 - 61 = 9).
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.
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.
Step 2: Add all digits plus the NPI constant
Add the transformed values, the unchanged digits, and the constant 24.
Step 3: Find the amount needed to reach the next multiple of 10
The next multiple of ten after 61 is 70. The difference is the calculated check digit.
Other Providers at the Same Location
The following 20 providers are registered at the same or a nearby location.
HAYWARD, CA 94545
HAYWARD, CA 94545
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1124063789, enumerated as an "individual" on June 18, 2006.
The provider is located at 27212 CALAROGA AVE HAYWARD, CA 94545 and the phone number is (510) 785-5000.
Obstetrics & Gynecology with taxonomy code 207V00000X.
The provider might be accepting Accepts: Medicare and Medicaid. Please consult your insurance carrier or call the provider to verify.
