Siniva Lynne Helliwell, M.D.
Gynecology Physician · Bakersfield, CA
Siniva Lynne Helliwell, M.D. is a gynecology physician with a practice address in Bakersfield, California, and NPI 1275561060, issued on Jun 29, 2006. Check the license (California A82543, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Siniva Lynne Helliwell
- Credential
- M.D.
- Primary taxonomy
- Gynecology Physician 207VG0400X
- License number
- A82543 CA
Self-reported in NPPES; status is on the state search - Practice location
- 8501 Brimhall RD Ste 300, Bakersfield, CA 93312
- Phone
- (661) 410-2942
- Enumerated
- Jun 29, 2006
- Record last updated
- Nov 9, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (661) 410-0135
- Medicaid ID
- 00A825430 CA
- Medicare enrollment
- Enrolled (PECOS I20110620000651); accepts Medicare assignment
- Medical or professional school
- University Of California, San Diego School Of Medicine, 2001
- Entity
- Type 1 · individual
8 nearest gynecology physician records → All 369 in California → Look up another NPI →
Also registered at 8501 Brimhall RD Ste 300
A shared address usually means a shared clinic or building; it does not show who employs whom.
- May Bonnin, NP-CWomen's Health Nurse Practitioner1295204204
- David Christian, M.D.Family Medicine Physician1154353951
- Jason Helliwell, MDObstetrics & Gynecology Physician1790768653
- Emmely Mongcal, NPFamily Nurse Practitioner1063391092
- Pamela Whiteley, PA-CPhysician Assistant1962838540
Verify Siniva Lynne Helliwell in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A82543Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
33% more Medicare Part D claims than the average gynecology physician in 2024
398 Medicare Part D claims for 78 beneficiaries, against an average of 299 among the 1,919 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims.
Most prescribed
- Progesterone60 claims
- Estradiol50 claims
- Estradiol (Twice Weekly)22 claims
- Nitrofurantoin Mono-Macro20 claims
- Fluconazole19 claims
- Alendronate Sodium16 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $192.66
11 payments; by number, the most common kind was food and beverage; the largest payer was Mayne Pharma Commercial LLC. The 1,398 providers of this specialty with any payment received $2,469.88 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Advanced Womens Health Center A Medical CorporationBakersfield, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Siniva Lynne Helliwell among 369 gynecology physician records in California
Siniva Lynne Helliwell, M.D. is one of 369 gynecology physician records with a practice address in California. 60% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 9% of them.
- NPI issued2006 · 9% of these records are older, 40% newer
- In a Medicare fileYes · 60% of these records are
- In the CMS Doctors and Clinicians fileYes · 38% of these records are
- Graduated2001 · median 1995 among the 141 with a school on file
- Record last updated2015 · 70% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207VG0400X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gynecology Physician providers in California
There are 369 gynecology physician records in California.
All 369 in California → Every provider in Bakersfield → Gynecology Physician nationwide →
The 8 gynecology physician records with the nearest ZIP codes
- August Accetta, M.D.Bakersfield, CA 933121265506893
- Gorli Harish, MDBakersfield, CA 933111427010198
- Katelyn Furey, MDBakersfield, CA 933061508361155
- Rosemary Leon, M.D., PHARM.D.Visalia, CA 932921609285618
- Tapaswini Hota, MDPorterville, CA 932571447737838
- Abraham Khan, MDHanford, CA 932301598260846
- Karen Goodrich, MDSan Luis Obispo, CA 934011770579211
- Heidi Sungurlu, D.O.San Luis Obispo, CA 934011114142999
Common questions
What is Siniva Lynne Helliwell, M.D.'s NPI number?
Siniva Lynne Helliwell, M.D.'s National Provider Identifier (NPI) is 1275561060, issued on Jun 29, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Siniva Lynne Helliwell, M.D. located?
The NPPES record lists a practice address at 8501 Brimhall RD Ste 300, Bakersfield, CA, 93312. Phone: (661) 410-2942. Providers update this record themselves, so call before visiting.
How can I verify Siniva Lynne Helliwell, M.D.'s license?
NPPES lists California license number A82543, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Siniva Lynne Helliwell, M.D. prescribe under Medicare Part D?
In 2024, Siniva Lynne Helliwell, M.D. had 398 Medicare Part D claims for 78 beneficiaries; the average among gynecology physician prescribers was 299. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.