Dr. Siniva Lynne Helliwell, MD
- Medicare services, 2024
- 190
- Medicare patients, 2024
- 110
- Part D claims, 2024
- 398
- Hospital affiliations
- 2
- Industry payments
- $2,170
- Practice address
- 8501 Brimhall Rd, Bakersfield, CA 93312-2252
- Practice phone
- Call (661) 410-2942
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Advanced Women's Health Center
Physician office · Bakersfield, California
Find Dr. Helliwell's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Siniva Lynne Helliwell is a gynecology physician in Bakersfield, California
Dr. Helliwell practices at Advanced Women's Health Center in Bakersfield, California.
Dr. Helliwell's NPI, 1275561060, was assigned on June 29, 2006. Dr. Helliwell graduated from UC San Diego School of Medicine in 2001. Dr. Helliwell holds California license A82543.
- NPI
- 1275561060NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4587842612
- NPI enumeration date
- June 29, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (661) 410-2942
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 51
- Medical school graduation
- 2001
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Siniva Lynne Helliwell practices at Advanced Women's Health Center in Bakersfield, California
Dr. Helliwell's primary practice is Advanced Women's Health Center, at 8501 Brimhall Rd, Bakersfield, CA 93312-2252. The practice phone is (661) 410-2942.
- Advanced Women's Health Center8501 Brimhall Rd, Bakersfield, CA 93312-2252Phone(661) 410-2942
Source: Dmand AI Affiliation Data
Dr. Siniva Lynne Helliwell is affiliated with 4 sites of care and 1 medical group
Dr. Helliwell's primary practice is Advanced Women's Health Center in Bakersfield, California. Dr. Helliwell is also affiliated with Adventist Health Bakersfield. The medical group on file is Advanced Womens Health Center. Dmand AI also links Dr. Helliwell to 1 more hospital and 1 group practice or clinic, each named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Siniva Lynne Helliwell's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Helliwell practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Advanced Women's Health Center | Available with a free account |
| +3 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Siniva Lynne Helliwell is one of 297 gynecology physicians in California
Gynecology is Dr. Helliwell's primary specialty in the NPI Registry, under taxonomy code 207VG0400X. Dr. Helliwell is board certified in obstetrics & gynecology by the American Board of Obstetrics and Gynecology. Dr. Helliwell is licensed in California.
Specialties and state licenses
- Gynecology, CaliforniaPrimary
Clinical focus
Dmand AI lists menopause, UTI and vaginal infection among the conditions Dr. Helliwell treats.
Gynecology physicians near Dr. Helliwell
Counts of gynecology physicians with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Siniva Lynne Helliwell billed Medicare for 190 services in 2024
CMS data shows 190 Medicare services from Dr. Helliwell across 6 procedure codes in 2024, for 110 Medicare patients. Medicare paid $13,486 for them. Every service was in an office.
Dr. Helliwell's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1262024: 14918%
- Other services
- 2023: 652024: 4137%
Dr. Helliwell compared with the California median for gynecology physicians, 2024
- Dr. Helliwell
- California median
- Medicare services
- 190vs 10483% above
- Medicare patients
- 110vs 9022% above
- Part D claims
- 289vs 604.8 times
Medians across 253 gynecology physicians in California with Dmand AI profiles that report each measure.
Dr. Helliwell's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Helliwell?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Helliwell and other gynecology physicians in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Siniva Lynne Helliwell treated 110 Medicare patients in 2024, average age 71
CMS counts 110 Medicare patients who saw Dr. Helliwell in 2024. The largest group is 65 to 74, with 87 patients. 75% of them have high cholesterol, and 58% have high blood pressure. Their average risk score is 0.69, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Helliwell's median patient age at 48, with 99% women.
Dr. Helliwell's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Chronic conditions among Dr. Helliwell's Medicare patients, 2024
- High cholesterol75%
- High blood pressure58%
- Arthritis57%
- Anxiety26%
- Ischemic heart disease25%
- Diabetes18%
- Osteoporosis17%
- Asthma15%
Share of Medicare patients with each condition. A patient can have several.
Dr. Helliwell's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 48
Patient panel by sex, all payers
- Women99%
- Men1%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Siniva Lynne Helliwell wrote 398 Medicare Part D claims in 2024
In 2024, Dr. Helliwell wrote 398 Medicare Part D claims for 78 patients. 81% of them were for generic drugs. CMS names the drug for 289 of them, across 14 drugs with 11 or more claims each, at $10,264 in total drug cost. In 2023, CMS named 186 claims across 10 drugs.
Dr. Helliwell's Part D claims by kind of drug, 2024
- Generic324 claims81%
- Brand-name63 claims16%
- Other11 claims3%
Dr. Helliwell's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Helliwell's Part D claims, 2024
- Antibiotics12%49 of 398 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1862024: 28955%
Drugs named by CMS: 14 in 2024, 10 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. Siniva Lynne Helliwell takes part in Medicare
Dr. Helliwell accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Siniva Lynne Helliwell received $2,170 in industry payments from 2016 to 2025
CMS Open Payments shows 121 general payments to Dr. Helliwell from 19 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 95% of the total. Abbvie Inc. paid the most, $447.
General payments to Dr. Helliwell by program year, 2016 to 2025
General payments to Dr. Helliwell by kind, 2016 to 2025
- Food and beverage$2,07195%
- Education$753%
- Gifts$231%
Companies that paid Dr. Helliwell the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Siniva Lynne Helliwell has 1 award and honors on record
Dmand AI lists 1 award for Dr. Helliwell.
Awards and honors for Dr. Helliwell
- Undated
- ACOG Fellow
Source: Dmand AI Professional Profile Data
Dr. Siniva Lynne Helliwell graduated from UC San Diego School of Medicine
Dr. Helliwell graduated from UC San Diego School of Medicine in 2001.
- Medical school
- Board certified in obstetrics & gynecology
Source: Dmand AI Professional Profile Data
Dr. Siniva Lynne Helliwell accepts plans from 6 insurance carriers
Dr. Helliwell is in network with 6 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 6. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Michigan
- Blue Cross Blue Shield of Massachusetts
- HCSC
- Regence Health Plans
- CMS Medicare
Plan types Dr. Helliwell accepts, by number of carriers
- Medicare6
- PPO5
- HMO2
- POS2
- EPO1
Source: Dmand AI Insurance Network Data
Sources for Dr. Siniva Lynne Helliwell's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Siniva Lynne Helliwell
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Siniva Lynne Helliwell's NPI number?
Dr. Siniva Lynne Helliwell's NPI number is 1275561060. It was assigned on June 29, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Siniva Lynne Helliwell?
Dr. Siniva Lynne Helliwell is a gynecology physician in Bakersfield, California. The primary specialty in the NPI Registry is Gynecology Physician (taxonomy code 207VG0400X).
Where does Dr. Siniva Lynne Helliwell practice?
Dr. Helliwell practices at 8501 Brimhall Rd, Bakersfield, CA 93312-2252. Dr. Helliwell's primary practice is Advanced Women's Health Center in Bakersfield, California. Dmand AI also links Dr. Helliwell to 1 hospital and 1 group practice or clinic.
What is Dr. Siniva Lynne Helliwell's office phone number?
The practice phone on file for Dr. Helliwell is (661) 410-2942.
What is Dr. Siniva Lynne Helliwell's medical license number?
Dr. Helliwell holds California license A82543.
Which hospitals is Dr. Siniva Lynne Helliwell affiliated with?
Dr. Helliwell is affiliated with Adventist Health Bakersfield. Dmand AI links Dr. Helliwell to 1 more hospital.
What medical group is Dr. Siniva Lynne Helliwell part of?
Dr. Helliwell is linked to Advanced Womens Health Center.
Does Dr. Siniva Lynne Helliwell accept Medicare?
Yes. CMS data shows Dr. Helliwell billed Medicare for 190 services in 2024, and Dr. Helliwell accepts Medicare assignment.
How many Medicare patients does Dr. Siniva Lynne Helliwell see?
CMS counts 110 Medicare patients who saw Dr. Helliwell in 2024, with an average age of 71.
Is Dr. Siniva Lynne Helliwell board certified?
Yes. Dr. Helliwell is board certified in obstetrics & gynecology by the American Board of Obstetrics and Gynecology.
Show 6 more questionsShow fewer questions
What services does Dr. Siniva Lynne Helliwell bill to Medicare?
In 2024, Dr. Helliwell's most billed Medicare services were office visit, established patient (99214), care management and other visits (99459) and medicare temporary code (Q0091).
Where did Dr. Siniva Lynne Helliwell go to medical school?
Dr. Helliwell graduated from UC San Diego School of Medicine in 2001.
What drugs does Dr. Siniva Lynne Helliwell prescribe most?
In 2024 Medicare Part D data, Dr. Helliwell's most prescribed drugs by claims were Progesterone, Estradiol and Estradiol (Twice Weekly).
Has Dr. Siniva Lynne Helliwell received payments from drug or device companies?
CMS Open Payments shows $2,170 in general payments to Dr. Helliwell from 19 companies from 2016 to 2025. The largest total came from Abbvie Inc.
How long has Dr. Siniva Lynne Helliwell been practicing?
Dr. Helliwell graduated from medical school in 2001, 25 years ago.
What insurance does Dr. Siniva Lynne Helliwell accept?
Dr. Helliwell is in network with 6 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 6. Check the plan with the practice before a visit.
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