Catherine D. Wergin, PA-C
- Medicare services, 2024
- 62
- Medicare patients, 2024
- 68
- Part D claims, 2024
- 152
- Hospital affiliations
- 1
- Medical groups
- 3
- Practice address
- 2825 Capitol Avenue, Sacramento, CA 95816
- Practice phone
- Call (916) 454-2222
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Catherine Wergin's professional email, personal email and mobile number
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Catherine D. Wergin is a physician assistant in Sacramento, California
Catherine Wergin practices at Sutter Medical Center, Sacramento in Sacramento, California, part of Sutter Health.
Catherine Wergin's NPI, 1750474243, was assigned on October 2, 2006. Catherine Wergin graduated from University of California, Davis School of Medicine in 2001. Catherine Wergin holds California license PA16263.
- NPI
- 1750474243NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0244307890
- NPI enumeration date
- October 2, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (916) 454-2222
- 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)
Catherine D. Wergin practices at Sutter Medical Center, Sacramento in Sacramento, California
Catherine Wergin's primary practice is Sutter Medical Center, Sacramento, at 2825 Capitol Avenue, Sacramento, CA 95816 in Sacramento County. The practice phone is (916) 454-2222.
- Sutter Medical Center, Sacramento2825 Capitol Avenue, Sacramento, CA 95816 · Sacramento CountyPhone(916) 454-2222
Source: Dmand AI Affiliation Data
Catherine D. Wergin is affiliated with 4 sites of care and 3 medical groups
Catherine Wergin's primary practice is Sutter Medical Center, Sacramento in Sacramento, California, part of Sutter Health. The medical group on file is Palo Alto Foundation Medical Group. Dmand AI also links Catherine Wergin to 3 more group practices and clinics and 2 medical groups, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Catherine D. Wergin's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Catherine Wergin practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Sutter Medical Center, Sacramento | Available with a free account |
| +3 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Sutter Health and 6.2K+ hospitals, with verified contacts in the same login.
Catherine D. Wergin is one of 11,482 physician assistants in California
Physician assistant is Catherine Wergin's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Catherine Wergin is board certified in certified physician assistant by the National Commission on Certification of Physician Assistants (NCCPA). Catherine Wergin is licensed in California.
Specialties and state licenses
- Physician assistant, CaliforniaPrimary
Clinical focus
Dmand AI lists acute sinusitis, acute skin infection, chest wall injury, chronic obstructive pulmonary disease (COPD), conjunctivitis, contact dermatitis, lower back pain and muscle pain, fibromyalgia, and limb pain among the conditions Catherine Wergin treats.
Physician assistants near Catherine Wergin
Counts of physician assistants 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
Catherine D. Wergin billed Medicare for 62 services in 2024
CMS data shows 62 Medicare services from Catherine Wergin across 3 procedure codes in 2024, all of them office visits, for 68 Medicare patients. Medicare paid $6,007 for them. Every service was in an office.
Catherine Wergin compared with the California median for physician assistants, 2024
- Catherine Wergin
- California median
- Medicare services
- 62vs 20470% below
- Medicare patients
- 68vs 10535% below
- Part D claims
- 68vs 24372% below
Medians across 7,065 physician assistants in California with Dmand AI profiles that report each measure.
Catherine Wergin'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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Catherine Wergin and other physician assistants in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Catherine D. Wergin treated 68 Medicare patients in 2024, average age 74
CMS counts 68 Medicare patients who saw Catherine Wergin in 2024. The largest group is 65 to 74, with 29 patients. 62% of them have high blood pressure, and 59% have arthritis. 21% are also on Medicaid. Their average risk score is 1.13, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Catherine Wergin's median patient age at 43, with 62% women.
Catherine Wergin's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Catherine Wergin's Medicare patients by sex, 2024
- Women5378%
- Men1522%
Chronic conditions among Catherine Wergin's Medicare patients, 2024
- High blood pressure62%
- Arthritis59%
- High cholesterol57%
- Mood disorders34%
- Anxiety29%
- Chronic kidney disease25%
- Depression25%
- Ischemic heart disease25%
Share of Medicare patients with each condition. A patient can have several.
Catherine Wergin's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 43
Patient panel by sex, all payers
- Women62%
- Men37%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Catherine D. Wergin wrote 152 Medicare Part D claims in 2024
In 2024, Catherine Wergin wrote 152 Medicare Part D claims for 100 patients. 87% of them were for generic drugs. CMS names the drug for 68 of them, across 5 drugs with 11 or more claims each, at $790 in total drug cost.
Catherine Wergin's Part D claims by kind of drug, 2024
- Generic132 claims87%
- Brand-name20 claims13%
Catherine Wergin'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 Catherine Wergin's Part D claims, 2024
- Antibiotics48%73 of 152 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
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 Catherine D. Wergin takes part in Medicare
Catherine Wergin 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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Catherine D. Wergin graduated from University of California, Davis School of Medicine
Catherine Wergin graduated from University of California, Davis School of Medicine in 2001.
- Medical school
- Board certified in certified physician assistant
Source: Dmand AI Professional Profile Data
Sources for Catherine D. Wergin'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) |
| 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 Catherine D. Wergin
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Catherine D. Wergin's NPI number?
Catherine D. Wergin's NPI number is 1750474243. It was assigned on October 2, 2006, and it is active in the NPI Registry.
What does Catherine D. Wergin specialize in?
Catherine D. Wergin is a physician assistant in Sacramento, California. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Catherine D. Wergin practice?
Catherine Wergin practices at 2825 Capitol Avenue, Sacramento, CA 95816. Catherine Wergin's primary practice is Sutter Medical Center, Sacramento in Sacramento, California, part of Sutter Health. Dmand AI also links Catherine Wergin to 3 group practices and clinics and 2 medical groups.
What is Catherine D. Wergin's office phone number?
The practice phone on file for Catherine Wergin is (916) 454-2222.
What is Catherine D. Wergin's medical license number?
Catherine Wergin holds California license PA16263.
Which hospitals is Catherine D. Wergin affiliated with?
Catherine Wergin practices at Sutter Medical Center, Sacramento in Sacramento, California.
What medical group is Catherine D. Wergin part of?
Catherine Wergin is linked to Palo Alto Foundation Medical Group. Dmand AI links Catherine Wergin to 2 more medical groups.
Does Catherine D. Wergin accept Medicare?
Yes. CMS data shows Catherine Wergin billed Medicare for 62 services in 2024, and Catherine Wergin accepts Medicare assignment.
How many Medicare patients does Catherine D. Wergin see?
CMS counts 68 Medicare patients who saw Catherine Wergin in 2024, with an average age of 74.
Is Catherine D. Wergin board certified?
Yes. Catherine Wergin is board certified in certified physician assistant by the National Commission on Certification of Physician Assistants (NCCPA).
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What services does Catherine D. Wergin bill to Medicare?
In 2024, Catherine Wergin's most billed Medicare services were office visit, established patient (99214), office visit, established patient (99215) and office visit, new patient (99204).
Where did Catherine D. Wergin go to medical school?
Catherine Wergin graduated from University of California, Davis School of Medicine in 2001.
What drugs does Catherine D. Wergin prescribe most?
In 2024 Medicare Part D data, Catherine Wergin's most prescribed drugs by claims were Amoxicillin-Clavulanate Potass, Cephalexin and Sulfamethoxazole-Trimethoprim.
How long has Catherine D. Wergin been practicing?
Catherine Wergin graduated from medical school in 2001, 25 years ago.
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