Dr. Carol A. Ahern, MD
- Medicare services, 2024
- 62
- Medicare patients, 2024
- 42
- Part D claims, 2024
- 2,911
- Hospital affiliations
- 1
- Industry payments
- $93
- Practice address
- 19270 Sonoma Highway, Sonoma, CA 95476
- Practice phone
- Call (707) 939-6070
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Sonoma Valley Community Health Center
FQHC - Main Site · Sonoma, California
Find Dr. Ahern'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. Carol A. Ahern is a family medicine physician in Sonoma, California
Dr. Ahern practices at Sonoma Valley Community Health Center in Sonoma, California.
Dr. Ahern's NPI, 1760546915, was assigned on December 21, 2006. Dr. Ahern graduated from UCSF School of Medicine in 1993. Dr. Ahern holds California license G80132.
- NPI
- 1760546915NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5991845372
- NPI enumeration date
- December 21, 2006
- NPI status
- Active
- Practice phone
- (707) 939-6070
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 64
- Medical school graduation
- 1993
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Carol A. Ahern practices at Sonoma Valley Community Health Center in Sonoma, California
Dr. Ahern's primary practice is Sonoma Valley Community Health Center, at 19270 Sonoma Highway, Sonoma, CA 95476 in Sonoma County. The practice phone is (707) 939-6070.
- Sonoma Valley Community Health Center19270 Sonoma Highway, Sonoma, CA 95476 · Sonoma CountyPhone(707) 939-6070
Source: Dmand AI Affiliation Data
Dr. Carol A. Ahern is affiliated with 3 sites of care and 1 medical group
Dr. Ahern's primary practice is Sonoma Valley Community Health Center in Sonoma, California. Dr. Ahern is also affiliated with Sonoma Valley Hospital. The medical group on file is Sonoma Valley Community Health Center. Dmand AI also links Dr. Ahern to 1 more community health center, named with a free account. Dr. Ahern'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. Carol A. Ahern's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ahern practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Sonoma Valley Community Health Center | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Carol A. Ahern is one of 15,680 family medicine physicians in California
Family medicine is Dr. Ahern's primary specialty in the NPI Registry, under taxonomy code 207Q00000X. Dr. Ahern is board certified in family medicine by the American Board of Family Medicine. Dr. Ahern is licensed in California.
Specialties and state licenses
- Family medicine, CaliforniaPrimary
Clinical focus
Dmand AI lists acid reflux, acute sinusitis, acute skin infection, alzheimer's disease, arthritis, bursitis, chronic anemia and chronic diabetes among the conditions Dr. Ahern treats.
Family medicine physicians near Dr. Ahern
Counts of family medicine 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. Carol A. Ahern billed Medicare for 62 services in 2024
CMS data shows 62 Medicare services from Dr. Ahern across 2 procedure codes in 2024, for 42 Medicare patients. Medicare paid $538 for them. Every service was in an office.
Dr. Ahern's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Lab and pathology
- 2023: 262024: 5092%
- Tests and treatments
- 2023: 02024: 12
Dr. Ahern compared with the California median for family medicine physicians, 2024
- Dr. Ahern
- California median
- Medicare services
- 62vs 24675% below
- Medicare patients
- 42vs 11864% below
- Part D claims
- 2,155vs 8332.6 times
Medians across 15,349 family medicine physicians in California with Dmand AI profiles that report each measure.
Dr. Ahern'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. Ahern?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Ahern and other family medicine physicians in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Carol A. Ahern treated 42 Medicare patients in 2024, average age 73
CMS counts 42 Medicare patients who saw Dr. Ahern in 2024. The largest group is 75 to 84, with 23 patients. 75% of them have high blood pressure, and 64% have high cholesterol. Their average risk score is 1.37, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Ahern's median patient age at 66, with 60% women.
Dr. Ahern's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Ahern's Medicare patients by sex, 2024
- Women2560%
- Men1740%
Chronic conditions among Dr. Ahern's Medicare patients, 2024
- High blood pressure75%
- High cholesterol64%
- Diabetes62%
- Arthritis45%
- Anxiety33%
- Osteoporosis31%
- Alcohol and drug use disorders26%
Share of Medicare patients with each condition. A patient can have several.
Dr. Ahern's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 66
Patient panel by sex, all payers
- Women60%
- Men40%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Carol A. Ahern wrote 2,911 Medicare Part D claims in 2024
In 2024, Dr. Ahern wrote 2,911 Medicare Part D claims for 173 patients. 82% of them were for generic drugs. CMS names the drug for 2,155 of them, across 73 drugs with 11 or more claims each, at $175,059 in total drug cost. In 2023, CMS named 1,304 claims across 50 drugs.
Dr. Ahern's Part D claims by kind of drug, 2024
- Generic2,385 claims82%
- Brand-name477 claims16%
- Other49 claims2%
Dr. Ahern'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. Ahern's Part D claims, 2024
- Opioids4%117 of 2,911 claims
- Antibiotics1%34 of 2,911 claims
- Antipsychotics, patients 65 and over1%20 of 2,911 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: 1,3042024: 2,15565%
Drugs named by CMS: 73 in 2024, 50 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
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Dr. Carol A. Ahern received $93 in industry payments in 2024
CMS Open Payments shows 1 general payment to Dr. Ahern from 1 drug or device company in 2024. Food and beverage make up the largest share, 100% of the total. Astellas Pharma US Inc paid the most, $93.
Companies that paid Dr. Ahern the most, 2024 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Carol A. Ahern graduated from UCSF School of Medicine
Dr. Ahern graduated from UCSF School of Medicine in 1993.
- Medical school
- Board certified in family medicine
Source: Dmand AI Professional Profile Data
Dr. Carol A. Ahern accepts plans from 10 insurance carriers
Dr. Ahern is in network with 10 carriers, including Elevance, Aetna and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 7. Check the plan with the practice before a visit.
- Elevance
- Aetna
- Blue Cross Blue Shield of Michigan
- United Healthcare
- Blue Cross Blue Shield of Massachusetts
- HCSC
- Regence Health Plans
- Aspirus Health Plan
- +2 more carriersWith a free account
Plan types Dr. Ahern accepts, by number of carriers
- Medicare7
- PPO7
- POS5
- HMO4
- EPO2
- Medicaid1
Source: Dmand AI Insurance Network Data
Sources for Dr. Carol A. Ahern'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) |
| 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. Carol A. Ahern
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. Carol A. Ahern's NPI number?
Dr. Carol A. Ahern's NPI number is 1760546915. It was assigned on December 21, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Carol A. Ahern?
Dr. Carol A. Ahern is a family medicine physician in Sonoma, California. The primary specialty in the NPI Registry is Family Medicine Physician (taxonomy code 207Q00000X).
Where does Dr. Carol A. Ahern practice?
Dr. Ahern practices at 19270 Sonoma Highway, Sonoma, CA 95476. Dr. Ahern's primary practice is Sonoma Valley Community Health Center in Sonoma, California. Dmand AI also links Dr. Ahern to 1 community health center.
What is Dr. Carol A. Ahern's office phone number?
The practice phone on file for Dr. Ahern is (707) 939-6070.
What is Dr. Carol A. Ahern's medical license number?
Dr. Ahern holds California license G80132.
Which hospitals is Dr. Carol A. Ahern affiliated with?
Dr. Ahern is affiliated with Sonoma Valley Hospital.
What medical group is Dr. Carol A. Ahern part of?
Dr. Ahern is linked to Sonoma Valley Community Health Center.
Does Dr. Carol A. Ahern accept Medicare?
Yes. CMS data shows Dr. Ahern billed Medicare for 62 services in 2024.
How many Medicare patients does Dr. Carol A. Ahern see?
CMS counts 42 Medicare patients who saw Dr. Ahern in 2024, with an average age of 73.
Is Dr. Carol A. Ahern board certified?
Yes. Dr. Ahern is board certified in family medicine by the American Board of Family Medicine.
Show 6 more questionsShow fewer questions
What services does Dr. Carol A. Ahern bill to Medicare?
In 2024, Dr. Ahern's most billed Medicare services were lab and pathology test (83036) and heart test or procedure (93005).
Where did Dr. Carol A. Ahern go to medical school?
Dr. Ahern graduated from UCSF School of Medicine in 1993.
What drugs does Dr. Carol A. Ahern prescribe most?
In 2024 Medicare Part D data, Dr. Ahern's most prescribed drugs by claims were Atorvastatin Calcium, Losartan Potassium and Amlodipine Besylate.
Has Dr. Carol A. Ahern received payments from drug or device companies?
CMS Open Payments shows $93 in general payments to Dr. Ahern from 1 company from 2024 to 2024. The largest total came from Astellas Pharma US Inc.
How long has Dr. Carol A. Ahern been practicing?
Dr. Ahern graduated from medical school in 1993, 33 years ago.
What insurance does Dr. Carol A. Ahern accept?
Dr. Ahern is in network with 10 carriers, including Elevance, Aetna and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 7. Check the plan with the practice before a visit.
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