Dr. Gary A. Swanson, MD
- Part D claims, 2024
- 46
- Industry payments
- $27
- Affiliated sites
- 3
- Medical groups
- 3
- Insurance carriers
- 14
- Practice address
- 43322 Gingham Avenue, Suite 104 & 105, Lancaster, CA 93535
- Practice phone
- Call (661) 874-4050
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Bartz-Altadonna Community Health Center - Lancaster
FQHC - Main Site · Lancaster, California
Find Dr. Swanson'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. Gary A. Swanson is an OB-GYN in Lancaster, California
Dr. Swanson practices at Bartz-Altadonna Community Health Center - Lancaster in Lancaster, California.
Dr. Swanson's NPI, 1255499158, was assigned on December 4, 2006. Dr. Swanson graduated from University Of Minnesota Medical School in 1973. Dr. Swanson's California license number on file is G27896.
- NPI
- 1255499158NPI Registry (opens in a new tab)
- NPI enumeration date
- December 4, 2006
- NPI status
- Active
- Practice phone
- (661) 874-4050
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 79
- Medical school graduation
- 1973
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Gary A. Swanson practices at Bartz-Altadonna Community Health Center - Lancaster in Lancaster, California
Dr. Swanson's primary practice is Bartz-Altadonna Community Health Center - Lancaster, at 43322 Gingham Avenue, Suite 104 & 105, Lancaster, CA 93535 in Los Angeles County. The practice phone is (661) 874-4050.
- Bartz-Altadonna Community Health Center - Lancaster43322 Gingham Avenue, Suite 104 & 105, Lancaster, CA 93535 · Los Angeles CountyPhone(661) 874-4050
Source: Dmand AI Affiliation Data
Dr. Gary A. Swanson is affiliated with 3 sites of care and 3 medical groups
Dr. Swanson's primary practice is Bartz-Altadonna Community Health Center - Lancaster in Lancaster, California. The medical group on file is Bartz-Altadonna Community Health Center. Dmand AI also links Dr. Swanson to 2 more medical groups, 1 community health center and 1 group practice or clinic, each named with a free account. Dr. Swanson's employer is on file too: a community health center (fqhc).
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Gary A. Swanson's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Swanson practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Bartz-Altadonna Community Health Center - Lancaster | Available with a free account |
| +2 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Gary A. Swanson is one of 4,642 OB-GYNs in California
Obstetrics and gynecology is Dr. Swanson's primary specialty in the NPI Registry, under taxonomy code 207V00000X. Dr. Swanson is board certified in obstetrics & gynecology by the American Board of Obstetrics and Gynecology. Dr. Swanson has a license on file in California.
Specialties and state licenses
- Obstetrics and gynecology, CaliforniaPrimary
OB-GYNs near Dr. Swanson
Counts of OB-GYNs 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. Gary A. Swanson's patients have a median age of 37
Across all payers, Dmand AI patient panel data puts Dr. Swanson's median patient age at 37, with 100% women.
Dr. Swanson's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 37
Patient panel by sex, all payers
- Women100%
- Men0%
Source: Dmand AI Patient Panel Data
Dr. Gary A. Swanson wrote 46 Medicare Part D claims in 2024
In 2024, Dr. Swanson wrote 46 Medicare Part D claims for 18 patients. 57% of them were for generic drugs. CMS names the drug for 14 of them, across 1 drug with 11 or more claims each, at $4,460 in total drug cost.
Dr. Swanson's Part D claims by kind of drug, 2024
- Generic26 claims57%
- Brand-name20 claims43%
Dr. Swanson'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.
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
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Dr. Gary A. Swanson received $27 in industry payments in 2018
CMS Open Payments shows 1 general payment to Dr. Swanson from 1 drug or device company in 2018. Food and beverage make up the largest share, 100% of the total. Ethicon Inc. paid the most, $27.
Companies that paid Dr. Swanson the most, 2018 to 2018
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Gary A. Swanson graduated from University Of Minnesota Medical School
Dr. Swanson graduated from University Of Minnesota Medical School in 1973.
- Medical school
- Board certified in obstetrics & gynecology
Source: Dmand AI Professional Profile Data
Dr. Gary A. Swanson accepts plans from 14 insurance carriers
Dr. Swanson is in network with 14 carriers, including Aetna, United Healthcare and Elevance. HMO plans come from the most carriers, 7. Check the plan with the practice before a visit.
- Aetna
- United Healthcare
- Elevance
- HCSC
- Blue Cross Blue Shield of Massachusetts
- LA Care
- Alliant Health Plans
- Aspirus Health Plan
- +6 more carriersWith a free account
Plan types Dr. Swanson accepts, by number of carriers
- HMO7
- PPO6
- Medicare5
- EPO4
- POS3
- Medicaid1
Source: Dmand AI Insurance Network Data
Sources for Dr. Gary A. Swanson'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 DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| 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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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. Gary A. Swanson
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. Gary A. Swanson's NPI number?
Dr. Gary A. Swanson's NPI number is 1255499158. It was assigned on December 4, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Gary A. Swanson?
Dr. Gary A. Swanson is an OB-GYN in Lancaster, California. The primary specialty in the NPI Registry is Obstetrics & Gynecology Physician (taxonomy code 207V00000X).
Where does Dr. Gary A. Swanson practice?
Dr. Swanson practices at 43322 Gingham Avenue, Suite 104 & 105, Lancaster, CA 93535. Dr. Swanson's primary practice is Bartz-Altadonna Community Health Center - Lancaster in Lancaster, California. Dmand AI also links Dr. Swanson to 2 medical groups, 1 community health center and 1 group practice or clinic.
What is Dr. Gary A. Swanson's office phone number?
The practice phone on file for Dr. Swanson is (661) 874-4050.
What is Dr. Gary A. Swanson's medical license number?
Dr. Swanson's California license number on file is G27896.
What medical group is Dr. Gary A. Swanson part of?
Dr. Swanson is linked to Bartz-Altadonna Community Health Center. Dmand AI links Dr. Swanson to 2 more medical groups.
Is Dr. Gary A. Swanson board certified?
Yes. Dr. Swanson is board certified in obstetrics & gynecology by the American Board of Obstetrics and Gynecology.
Where did Dr. Gary A. Swanson go to medical school?
Dr. Swanson graduated from University Of Minnesota Medical School in 1973.
What drugs does Dr. Gary A. Swanson prescribe most?
In 2024 Medicare Part D data, Dr. Swanson's most prescribed drugs by claims were Premarin.
Has Dr. Gary A. Swanson received payments from drug or device companies?
CMS Open Payments shows $27 in general payments to Dr. Swanson from 1 company from 2018 to 2018. The largest total came from Ethicon Inc.
How long has Dr. Gary A. Swanson been practicing?
Dr. Swanson graduated from medical school in 1973, 53 years ago.
What insurance does Dr. Gary A. Swanson accept?
Dr. Swanson is in network with 14 carriers, including Aetna, United Healthcare and Elevance. HMO plans come from the most carriers, 7. Check the plan with the practice before a visit.
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