Dr. Jan O. Sonander, MD
- Medicare services, 2024
- 2,551
- Medicare patients, 2024
- 464
- Part D claims, 2024
- 9,912
- MIPS score, 2024
- 75
- Hospital affiliations
- 3
- Practice address
- 1165 Montgomery Dr, Santa Rosa, CA 95405
- Practice phone
- Call (707) 525-5300
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Sonander'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. Jan O. Sonander is a family medicine physician in Santa Rosa, California
Dr. Sonander practices at Providence Santa Rosa Memorial Hospital in Santa Rosa, California, part of Providence Health & Services.
Dr. Sonander's NPI, 1982763959, was assigned on December 6, 2006. Dr. Sonander graduated from UC Davis School of Medicine in 1984. Dr. Sonander holds California license G56178.
- NPI
- 1982763959NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3870570450
- NPI enumeration date
- December 6, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (707) 525-5300
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 68
- Medical school graduation
- 1984
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Jan O. Sonander practices at Providence Santa Rosa Memorial Hospital in Santa Rosa, California
Dr. Sonander's primary practice is Providence Santa Rosa Memorial Hospital, at 1165 Montgomery Dr, Santa Rosa, CA 95405 in Sonoma County. The practice phone is (707) 525-5300.
- Providence Santa Rosa Memorial Hospital1165 Montgomery Dr, Santa Rosa, CA 95405 · Sonoma CountyPhone(707) 525-5300
Source: Dmand AI Affiliation Data
Dr. Jan O. Sonander is affiliated with 9 sites of care and 1 medical group
Dr. Sonander's primary practice is Providence Santa Rosa Memorial Hospital in Santa Rosa, California, part of Providence Health & Services. Dr. Sonander is also affiliated with Sutter Santa Rosa Regional Hospital. The medical group on file is American Specialty Physicians Group. Dmand AI also links Dr. Sonander to 1 more hospital, 5 home health agencies and 1 group practice or clinic, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Jan O. Sonander's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Sonander practices, 9 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Providence Santa Rosa Memorial Hospital | Available with a free account |
| +8 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Jan O. Sonander is one of 15,680 family medicine physicians in California
Family medicine is Dr. Sonander's primary specialty in the NPI Registry, under taxonomy code 207Q00000X. Dr. Sonander is board certified in family medicine by the American Board of Family Medicine. Dr. Sonander is licensed in California.
Specialties and state licenses
- Family medicine, CaliforniaPrimary
Clinical focus
Dmand AI lists acid reflux, acute gastroduodenitis, acute sinusitis, acute skin infection, adjustment disease, alzheimer's disease, aneurysm and anxiety among the conditions Dr. Sonander treats.
Family medicine physicians near Dr. Sonander
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. Jan O. Sonander billed Medicare for 2,551 services in 2024
CMS data shows 2,551 Medicare services from Dr. Sonander across 21 procedure codes in 2024, for 464 Medicare patients. Medicare paid $206,923 for them.
Dr. Sonander's Medicare services by type, 2024
- Office and hospital visits1,774
- Other services386
- Drugs given in the office185
- Surgery171
- Tests and treatments35
Where Dr. Sonander's Medicare services took place, 2024
- In an office2,31391%
- In a facility2389%
Dr. Sonander compared with the California median for family medicine physicians, 2024
- Dr. Sonander
- California median
- Medicare services
- 2,551vs 24610.4 times
- Medicare patients
- 464vs 1183.9 times
- Part D claims
- 9,073vs 83310.9 times
Medians across 15,349 family medicine physicians in California with Dmand AI profiles that report each measure.
Dr. Sonander'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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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Jan O. Sonander treated 464 Medicare patients in 2024, average age 77
CMS counts 464 Medicare patients who saw Dr. Sonander in 2024. The largest group is 75 to 84, with 206 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 16% are also on Medicaid. Their average risk score is 1.42, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Sonander's median patient age at 77, with 56% women.
Dr. Sonander's Medicare patients by age, 2024
Dr. Sonander's Medicare patients by sex, 2024
- Women23952%
- Men22548%
Chronic conditions among Dr. Sonander's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis42%
- Diabetes31%
- Atrial fibrillation25%
- Chronic kidney disease24%
- Ischemic heart disease23%
- Anxiety22%
Share of Medicare patients with each condition. A patient can have several.
Dr. Sonander's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 77
Patient panel by sex, all payers
- Women56%
- Men44%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Jan O. Sonander wrote 9,912 Medicare Part D claims in 2024
In 2024, Dr. Sonander wrote 9,912 Medicare Part D claims for 436 patients. 90% of them were for generic drugs. CMS names the drug for 9,073 of them, across 147 drugs with 11 or more claims each, at $634,040 in total drug cost.
Dr. Sonander's Part D claims by kind of drug, 2024
- Generic8,962 claims90%
- Brand-name890 claims9%
- Other60 claims1%
Dr. Sonander'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. Sonander's Part D claims, 2024
- Opioids3%297 of 9,912 claims
- Antibiotics2%226 of 9,912 claims
- Antipsychotics, patients 65 and over2%156 of 9,912 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
Dr. Jan O. Sonander scored 75 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 75 out of 100 for Dr. Sonander for performance year 2024, reported individually. Dr. Sonander accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 65 procedures of removal of skin lesions by Dr. Sonander, more than 73% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Dr. Sonander's MIPS scores, performance year 2024
- 75of 100Final score
- 53.3of 100Quality
- 40of 100Improvement Activities
- 79of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Where Dr. Sonander ranks in Medicare procedure volume
- Removal of skin lesions
- 73rd percentile65 procedures
- Melanoma (skin cancer) excision
- 64th percentile11 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Removal of nail tissue: 1 to 10 procedures (CMS shows small counts as a range)
Removal of tissue: 1 to 10 procedures (CMS shows small counts as a range)
Removal or shaving of skin growth: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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Dr. Jan O. Sonander received $251 in industry payments from 2024 to 2025
CMS Open Payments shows 11 general payments to Dr. Sonander from 5 drug and device companies from 2024 to 2025. Food and beverage make up the largest share, 100% of the total. Amgen Inc. paid the most, $87.
General payments to Dr. Sonander by program year, 2024 to 2025
Companies that paid Dr. Sonander the most, 2024 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Jan O. Sonander graduated from UC Davis School of Medicine
Dr. Sonander graduated from UC Davis School of Medicine in 1984.
- Medical school
- Board certified in family medicine
Source: Dmand AI Professional Profile Data
Dr. Jan O. Sonander accepts plans from 8 insurance carriers
Dr. Sonander is in network with 8 carriers, including Elevance, United Healthcare and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 6. Check the plan with the practice before a visit.
- Elevance
- United Healthcare
- Blue Cross Blue Shield of Massachusetts
- HCSC
- Regence Health Plans
- Aspirus Health Plan
- Blue Cross and Blue Shield of Kansas City
- CMS Medicare
Plan types Dr. Sonander accepts, by number of carriers
- Medicare6
- PPO5
- POS3
- EPO2
- HMO1
Source: Dmand AI Insurance Network Data
Sources for Dr. Jan O. Sonander'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)Doctors and Clinicians Utilization Data (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. Jan O. Sonander
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. Jan O. Sonander's NPI number?
Dr. Jan O. Sonander's NPI number is 1982763959. It was assigned on December 6, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Jan O. Sonander?
Dr. Jan O. Sonander is a family medicine physician in Santa Rosa, California. The primary specialty in the NPI Registry is Family Medicine Physician (taxonomy code 207Q00000X).
Where does Dr. Jan O. Sonander practice?
Dr. Sonander practices at 1165 Montgomery Dr, Santa Rosa, CA 95405. Dr. Sonander's primary practice is Providence Santa Rosa Memorial Hospital in Santa Rosa, California, part of Providence Health & Services. Dmand AI also links Dr. Sonander to 1 hospital, 5 home health agencies and 1 group practice or clinic.
What is Dr. Jan O. Sonander's office phone number?
The practice phone on file for Dr. Sonander is (707) 525-5300.
What is Dr. Jan O. Sonander's medical license number?
Dr. Sonander holds California license G56178.
Which hospitals is Dr. Jan O. Sonander affiliated with?
Dr. Sonander practices at Providence Santa Rosa Memorial Hospital in Santa Rosa, California. Dr. Sonander is also affiliated with Sutter Santa Rosa Regional Hospital. Dmand AI links Dr. Sonander to 1 more hospital.
What medical group is Dr. Jan O. Sonander part of?
Dr. Sonander is linked to American Specialty Physicians Group.
Does Dr. Jan O. Sonander accept Medicare?
Yes. CMS data shows Dr. Sonander billed Medicare for 2,551 services in 2024, and Dr. Sonander accepts Medicare assignment.
What is Dr. Jan O. Sonander's MIPS score?
Dr. Sonander's MIPS final score for performance year 2024 is 75 out of 100, reported individually.
How many Medicare patients does Dr. Jan O. Sonander see?
CMS counts 464 Medicare patients who saw Dr. Sonander in 2024, with an average age of 77.
Show 7 more questionsShow fewer questions
Is Dr. Jan O. Sonander board certified?
Yes. Dr. Sonander is board certified in family medicine by the American Board of Family Medicine.
What services does Dr. Jan O. Sonander bill to Medicare?
In 2024, Dr. Sonander's most billed Medicare services were office visit, established patient (99214), office visit, established patient (99213) and office visit, established patient (99215).
Where did Dr. Jan O. Sonander go to medical school?
Dr. Sonander graduated from UC Davis School of Medicine in 1984.
What drugs does Dr. Jan O. Sonander prescribe most?
In 2024 Medicare Part D data, Dr. Sonander's most prescribed drugs by claims were Atorvastatin Calcium, Levothyroxine Sodium and Lisinopril.
Has Dr. Jan O. Sonander received payments from drug or device companies?
CMS Open Payments shows $251 in general payments to Dr. Sonander from 5 companies from 2024 to 2025. The largest total came from Amgen Inc.
How long has Dr. Jan O. Sonander been practicing?
Dr. Sonander graduated from medical school in 1984, 42 years ago.
What insurance does Dr. Jan O. Sonander accept?
Dr. Sonander is in network with 8 carriers, including Elevance, United Healthcare 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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