Female Pelvic Med Reconstr Surg
Amoxicillin-Potassium Clavulanate Combinationbeta-Lactamase InhibitorsDevice Removal
Dr. Karen Swarer, MD
NPI1003202417PAC ID4284934910
- Medicare services, 2024
- 67
- Medicare patients, 2024
- 54
- Part D claims, 2024
- 85
- Publications
- 1
- MIPS score, 2024
- 82
- Practice address
- 1800 N California St, Stockton, CA 95204
- Practice phone
- Call (209) 943-2000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Swarer'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. Karen Swarer is an OB-GYN in Stockton, California
Dr. Swarer practices at Dignity Health - St. Joseph's Medical Center in Stockton, California, part of CommonSpirit Health.
Dr. Swarer's NPI, 1003202417, was assigned on April 13, 2015. Dr. Swarer graduated from University of Oklahoma College of Medicine in 2015. Dr. Swarer holds Maryland license D0099396.
NPI and contact details
- NPI
- 1003202417NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4284934910
- NPI enumeration date
- April 13, 2015
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (209) 943-2000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 37
- Medical school graduation
- 2015
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Karen Swarer practices at Dignity Health - St. Joseph's Medical Center in Stockton, California
Dr. Swarer's primary practice is Dignity Health - St. Joseph's Medical Center, at 1800 N California St, Stockton, CA 95204 in San Joaquin County. The practice phone is (209) 943-2000.
- Dignity Health - St. Joseph's Medical Center1800 N California St, Stockton, CA 95204 · San Joaquin CountyPhone(209) 943-2000
Source: Dmand AI Affiliation Data
Dr. Karen Swarer is affiliated with 3 sites of care and 2 medical groups
Dr. Swarer's primary practice is Dignity Health - St. Joseph's Medical Center in Stockton, California, part of CommonSpirit Health. The medical group on file is MedStar Medical Group. Dmand AI also links Dr. Swarer to 2 more group practices and clinics and 1 medical group, each named with a free account.
MedStar Medical Group2 group practices and clinicsNames with a free account1 medical groupName with a free account
See all 5 affiliations for Dr. SwarerSources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Karen Swarer's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Swarer practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Dignity Health - St. Joseph's Medical Center | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Karen Swarer is one of 4,642 OB-GYNs in California
Obstetrics and gynecology is Dr. Swarer's primary specialty in the NPI Registry, under taxonomy code 207V00000X. Dmand AI has Dr. Swarer's licenses on file in 2 states: Maryland and California.
Specialties and state licenses
- Obstetrics and gynecology, MarylandPrimary
- California license
OB-GYNs near Dr. Swarer
Counts of OB-GYNs with a Dmand AI profile, by place and practice. Each opens the list.
4,642OB-GYNs in California223OB-GYNs in Stockton18OB-GYNs at Dignity Health - St. Joseph's Medical Center
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Karen Swarer billed Medicare for 67 services in 2024
CMS data shows 67 Medicare services from Dr. Swarer across 3 procedure codes in 2024, for 54 Medicare patients. Medicare paid $3,922 for them. Every service was in an office.
Medicare services, 202467
Medicare patients54
Paid by Medicare$3,922
Procedure codes3
Dr. Swarer's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Other services
- 2023: 272024: 5085%
- Office and hospital visits
- 2023: 112024: 1755%
Dr. Swarer compared with the California median for OB-GYNs, 2024
- Dr. Swarer
- California median
- Medicare services
- 67vs 5816% above
- Medicare patients
- 54vs 52Close to median
- Part D claims
- 29vs 3517% below
Medians across 3,823 OB-GYNs in California with Dmand AI profiles that report each measure.
Dr. Swarer'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. Swarer?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Swarer and other OB-GYNs in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Karen Swarer treated 54 Medicare patients in 2024, average age 63
CMS counts 54 Medicare patients who saw Dr. Swarer in 2024. The largest group is 65 to 74, with 35 patients. 75% of them have high cholesterol, and 63% have high blood pressure. 28% are also on Medicaid. Their average risk score is 1.17, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Swarer's median patient age at 32, with 99% women.
Medicare patients, 202454
Average age63
Average risk score1.17
Also on Medicaid28%
Dr. Swarer's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Chronic conditions among Dr. Swarer's Medicare patients, 2024
- High cholesterol75%
- High blood pressure63%
- Arthritis48%
- Mood disorders43%
- Depression39%
- Anxiety37%
- Diabetes30%
- Asthma20%
Share of Medicare patients with each condition. A patient can have several.
Dr. Swarer's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 32
Patient panel by sex, all payers
- Women99%
- Men0%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Karen Swarer wrote 85 Medicare Part D claims in 2024
In 2024, Dr. Swarer wrote 85 Medicare Part D claims for 48 patients. 94% of them were for generic drugs. CMS names the drug for 29 of them, across 1 drug with 11 or more claims each, at $1,150 in total drug cost. In 2023, CMS named 18 claims across 1 drug.
Part D claims, 202485
Drugs named by CMS1
Total drug cost$1,150
Part D patients48
Dr. Swarer's Part D claims by kind of drug, 2024
- Generic80 claims94%
- Brand-name and other5 claims6%
Dr. Swarer'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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 182024: 2961%
Drugs named by CMS: 1 in 2024, 1 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
Dr. Karen Swarer scored 82 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 82 out of 100 for Dr. Swarer for performance year 2024, reported as part of a group. Dr. Swarer accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Swarer's MIPS scores, performance year 2024
- 82of 100Final score
- 67.9of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 69of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Karen Swarer has 1 publication on record
Dmand AI links 1 paper to Dr. Swarer. Dr. Swarer's most frequent co-author is Benjamin Joseph Barenberg, MD.
Papers1
Dr. Swarer's most frequent co-authors
Recent publications by Dr. Swarer
See who Dr. Swarer researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Swarer works with, so you can find a warm path to the right OB-GYNs.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Karen Swarer received $835 in industry payments from 2019 to 2025
CMS Open Payments shows 37 general payments to Dr. Swarer from 20 drug and device companies from 2019 to 2025. Food and beverage make up the largest share, 100% of the total. Hologic Inc paid the most, $165.
General payments to Dr. Swarer by program year, 2019 to 2025
Companies that paid Dr. Swarer the most, 2019 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Karen Swarer graduated from University of Oklahoma College of Medicine
Dr. Swarer graduated from University of Oklahoma College of Medicine in 2015.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Karen Swarer'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 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)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile 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. Karen Swarer
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. Karen Swarer's NPI number?
Dr. Karen Swarer's NPI number is 1003202417. It was assigned on April 13, 2015, and it is active in the NPI Registry.
What kind of doctor is Dr. Karen Swarer?
Dr. Karen Swarer is an OB-GYN in Stockton, California. The primary specialty in the NPI Registry is Obstetrics & Gynecology Physician (taxonomy code 207V00000X).
Where does Dr. Karen Swarer practice?
Dr. Swarer practices at 1800 N California St, Stockton, CA 95204. Dr. Swarer's primary practice is Dignity Health - St. Joseph's Medical Center in Stockton, California, part of CommonSpirit Health. Dmand AI also links Dr. Swarer to 2 group practices and clinics and 1 medical group.
What is Dr. Karen Swarer's office phone number?
The practice phone on file for Dr. Swarer is (209) 943-2000.
What is Dr. Karen Swarer's medical license number?
Dr. Swarer holds Maryland license D0099396, one of the licenses on file in 2 states.
Which states has Dr. Karen Swarer been licensed in?
Dmand AI has state licenses on file for Dr. Swarer in Maryland and California.
Which hospitals is Dr. Karen Swarer affiliated with?
Dr. Swarer practices at Dignity Health - St. Joseph's Medical Center in Stockton, California.
What medical group is Dr. Karen Swarer part of?
Dr. Swarer is linked to MedStar Medical Group. Dmand AI links Dr. Swarer to 1 more medical group.
Does Dr. Karen Swarer accept Medicare?
Yes. CMS data shows Dr. Swarer billed Medicare for 67 services in 2024, and Dr. Swarer accepts Medicare assignment.
What is Dr. Karen Swarer's MIPS score?
Dr. Swarer's MIPS final score for performance year 2024 is 82 out of 100, reported as part of a group.
Show 8 more questionsShow fewer questions
How many Medicare patients does Dr. Karen Swarer see?
CMS counts 54 Medicare patients who saw Dr. Swarer in 2024, with an average age of 63.
What services does Dr. Karen Swarer bill to Medicare?
In 2024, Dr. Swarer's most billed Medicare services were medicare service (G0101), office visit, established patient (99214) and medicare temporary code (Q0091).
Where did Dr. Karen Swarer go to medical school?
Dr. Swarer graduated from University of Oklahoma College of Medicine in 2015.
What drugs does Dr. Karen Swarer prescribe most?
In 2024 Medicare Part D data, Dr. Swarer's most prescribed drugs by claims were Estradiol.
Has Dr. Karen Swarer received payments from drug or device companies?
CMS Open Payments shows $835 in general payments to Dr. Swarer from 20 companies from 2019 to 2025. The largest total came from Hologic Inc.
How long has Dr. Karen Swarer been practicing?
Dr. Swarer graduated from medical school in 2015, 11 years ago.
Does Dr. Karen Swarer do research?
Dmand AI links 1 publication to Dr. Swarer.
Who does Dr. Karen Swarer publish with?
Dr. Swarer's most frequent co-authors are Benjamin Joseph Barenberg, MD (1 shared paper).
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