Dr. Eiler John Sommerhaug, MD
- Medicare services, 2024
- 649
- Medicare patients, 2024
- 301
- Part D claims, 2024
- 354
- Hospital affiliations
- 2
- Industry payments
- $7,142
- Practice address
- 4 Hamilton Lndg, Novato, CA 94949
- Practice phone
- Call (707) 766-9852
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Eiler Sommerhaug MD Inc
Novato, California
Find Dr. Sommerhaug'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. Eiler John Sommerhaug is a plastic and reconstructive surgery physician in Novato, California
Dr. Sommerhaug practices at Eiler Sommerhaug MD Inc in Novato, California.
Dr. Sommerhaug's NPI, 1659353555, was assigned on November 16, 2005. Dr. Sommerhaug graduated from Albany Medical College of Union University in 1993. Dr. Sommerhaug holds California license G81043.
- NPI
- 1659353555NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7911097902
- NPI enumeration date
- November 16, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (707) 766-9852
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 59
- Medical school graduation
- 1993
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Eiler John Sommerhaug practices at Eiler Sommerhaug MD Inc in Novato, California
Dr. Sommerhaug's primary practice is Eiler Sommerhaug MD Inc, at 4 Hamilton Lndg, Novato, CA 94949 in Marin County. The practice phone is (707) 766-9852.
- Eiler Sommerhaug MD Inc4 Hamilton Lndg, Novato, CA 94949 · Marin CountyPhone(707) 766-9852
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Eiler John Sommerhaug is affiliated with 5 sites of care and 2 medical groups
Dr. Sommerhaug's primary practice is Eiler Sommerhaug MD Inc in Novato, California. Dr. Sommerhaug is also affiliated with Providence Santa Rosa Memorial Hospital. The medical group on file is UC Davis Medical Group. Dmand AI also links Dr. Sommerhaug to 1 more hospital, 1 physician office, 1 group practice or clinic and 1 medical group, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Eiler John Sommerhaug's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Sommerhaug practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Eiler Sommerhaug MD Inc | Available with a free account |
| +4 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Eiler John Sommerhaug is one of 327 plastics and reconstructive surgery physicians in California
Plastic and reconstructive surgery is Dr. Sommerhaug's primary specialty in the NPI Registry, under taxonomy code 2086S0122X. Dr. Sommerhaug is licensed in California.
Specialties and state licenses
- Plastic and reconstructive surgery, CaliforniaPrimary
Plastics and reconstructive surgery physicians near Dr. Sommerhaug
Counts of plastics and reconstructive surgery 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. Eiler John Sommerhaug billed Medicare for 649 services in 2024
CMS data shows 649 Medicare services from Dr. Sommerhaug across 11 procedure codes in 2024, for 301 Medicare patients. Medicare paid $190,110 for them. Every service was in an office.
Dr. Sommerhaug's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 3462024: 38511%
- Surgery
- 2023: 2362024: 26412%
Dr. Sommerhaug compared with the California median for plastics and reconstructive surgery physicians, 2024
- Dr. Sommerhaug
- California median
- Medicare services
- 649vs 4614.1 times
- Medicare patients
- 301vs 585.2 times
- Part D claims
- 318vs 2413.3 times
Medians across 261 plastics and reconstructive surgery physicians in California with Dmand AI profiles that report each measure.
Dr. Sommerhaug'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 Dr. Sommerhaug and other plastics and reconstructive surgery physicians in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Eiler John Sommerhaug treated 301 Medicare patients in 2024, average age 77
CMS counts 301 Medicare patients who saw Dr. Sommerhaug in 2024. The largest group is 75 to 84, with 139 patients. 73% of them have high cholesterol, and 68% have high blood pressure. 4% are also on Medicaid. Their average risk score is 1.00, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Sommerhaug's median patient age at 76, with 60% women.
Dr. Sommerhaug's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Sommerhaug's Medicare patients by sex, 2024
- Women16956%
- Men13244%
Chronic conditions among Dr. Sommerhaug's Medicare patients, 2024
- High cholesterol73%
- High blood pressure68%
- Arthritis42%
- Ischemic heart disease26%
- Cancer20%
- Diabetes20%
- Atrial fibrillation19%
- Chronic kidney disease18%
Share of Medicare patients with each condition. A patient can have several.
Dr. Sommerhaug's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 76
Patient panel by sex, all payers
- Women60%
- Men39%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Eiler John Sommerhaug wrote 354 Medicare Part D claims in 2024
In 2024, Dr. Sommerhaug wrote 354 Medicare Part D claims for 237 patients. 100% of them were for generic drugs. CMS names the drug for 318 of them, across 4 drugs with 11 or more claims each, at $898 in total drug cost. In 2023, CMS named 260 claims across 3 drugs.
Dr. Sommerhaug's Part D claims by kind of drug, 2024
- Generic353 claims100%
- Brand-name and other1 claims0%
Dr. Sommerhaug'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. Sommerhaug's Part D claims, 2024
- Opioids7%24 of 354 claims
- Antibiotics88%312 of 354 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: 2602024: 31822%
Drugs named by CMS: 4 in 2024, 3 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. Eiler John Sommerhaug scored 0 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 0 out of 100 for Dr. Sommerhaug for performance year 2024, reported individually. Dr. Sommerhaug accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 208 procedures of melanoma (skin cancer) excision by Dr. Sommerhaug, more than 97% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Dr. Sommerhaug's MIPS scores, performance year 2024
- 0of 100Final score
- 0of 100Quality
- 0of 100Improvement Activities
- 0of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Where Dr. Sommerhaug ranks in Medicare procedure volume
- Melanoma (skin cancer) excision
- 97th percentile208 procedures
- Removal of tissue
- 68th percentile19 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Mastectomy: 1 to 10 procedures (CMS shows small counts as a range)
Removal of skin lesions: 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. Eiler John Sommerhaug received $7,142 in industry payments from 2016 to 2025
CMS Open Payments shows 53 general payments to Dr. Sommerhaug from 15 drug and device companies from 2016 to 2025. Gifts make up the largest share, 76% of the total. Allergan Inc. paid the most, $5,555.
General payments to Dr. Sommerhaug by program year, 2016 to 2025
General payments to Dr. Sommerhaug by kind, 2016 to 2025
- Gifts$5,40076%
- Food and beverage$1,06215%
- Travel and lodging$68010%
Companies that paid Dr. Sommerhaug the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Eiler John Sommerhaug graduated from Albany Medical College of Union University
Dr. Sommerhaug graduated from Albany Medical College of Union University in 1993.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Eiler John Sommerhaug'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation 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 |
| 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. Eiler John Sommerhaug
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. Eiler John Sommerhaug's NPI number?
Dr. Eiler John Sommerhaug's NPI number is 1659353555. It was assigned on November 16, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Eiler John Sommerhaug?
Dr. Eiler John Sommerhaug is a plastic and reconstructive surgery physician in Novato, California. The primary specialty in the NPI Registry is Plastic and Reconstructive Surgery Physician (taxonomy code 2086S0122X).
Where does Dr. Eiler John Sommerhaug practice?
Dr. Sommerhaug practices at 4 Hamilton Lndg, Novato, CA 94949. Dr. Sommerhaug's primary practice is Eiler Sommerhaug MD Inc in Novato, California. Dmand AI also links Dr. Sommerhaug to 1 hospital, 1 physician office, 1 group practice or clinic and 1 medical group.
What is Dr. Eiler John Sommerhaug's office phone number?
The practice phone on file for Dr. Sommerhaug is (707) 766-9852.
What is Dr. Eiler John Sommerhaug's medical license number?
Dr. Sommerhaug holds California license G81043.
Which hospitals is Dr. Eiler John Sommerhaug affiliated with?
Dr. Sommerhaug is affiliated with Providence Santa Rosa Memorial Hospital. Dmand AI links Dr. Sommerhaug to 1 more hospital.
What medical group is Dr. Eiler John Sommerhaug part of?
Dr. Sommerhaug is linked to UC Davis Medical Group. Dmand AI links Dr. Sommerhaug to 1 more medical group.
Does Dr. Eiler John Sommerhaug accept Medicare?
Yes. CMS data shows Dr. Sommerhaug billed Medicare for 649 services in 2024, and Dr. Sommerhaug accepts Medicare assignment.
What is Dr. Eiler John Sommerhaug's MIPS score?
Dr. Sommerhaug's MIPS final score for performance year 2024 is 0 out of 100, reported individually.
How many Medicare patients does Dr. Eiler John Sommerhaug see?
CMS counts 301 Medicare patients who saw Dr. Sommerhaug in 2024, with an average age of 77.
Show 5 more questionsShow fewer questions
What services does Dr. Eiler John Sommerhaug bill to Medicare?
In 2024, Dr. Sommerhaug's most billed Medicare services were office visit, established patient (99213), office visit, new patient (99203) and office visit, established patient (99214).
Where did Dr. Eiler John Sommerhaug go to medical school?
Dr. Sommerhaug graduated from Albany Medical College of Union University in 1993.
What drugs does Dr. Eiler John Sommerhaug prescribe most?
In 2024 Medicare Part D data, Dr. Sommerhaug's most prescribed drugs by claims were Cephalexin, Amoxicillin-Clavulanate Potass and Oxycodone-Acetaminophen.
Has Dr. Eiler John Sommerhaug received payments from drug or device companies?
CMS Open Payments shows $7,142 in general payments to Dr. Sommerhaug from 15 companies from 2016 to 2025. The largest total came from Allergan Inc.
How long has Dr. Eiler John Sommerhaug been practicing?
Dr. Sommerhaug graduated from medical school in 1993, 33 years ago.
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