Dr. Zachary R. Lewton, MD
- Medicare services, 2024
- 21,618
- Medicare patients, 2024
- 767
- Part D claims, 2024
- 4,196
- Hospital affiliations
- 5
- Industry payments
- $1,305
- Practice address
- 34 Mark West Springs Road, Suite 100, Santa Rosa, CA 95403
- Practice phone
- Call (707) 541-3500
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Santa Rosa Surgery and Endoscopy Center
Surgery Center - Medicare-Certified · Santa Rosa, California
Find Dr. Lewton'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. Zachary R. Lewton is a neurologist in Santa Rosa, California
Dr. Lewton practices at Santa Rosa Surgery and Endoscopy Center in Santa Rosa, California.
Dr. Lewton's NPI, 1346202975, was assigned on April 6, 2006. Dr. Lewton graduated from University of Rochester Medical Center in 1999. Dr. Lewton holds California license C55988.
- NPI
- 1346202975NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5991756470
- NPI enumeration date
- April 6, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (707) 541-3500
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 53
- Medical school graduation
- 1999
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Zachary R. Lewton practices at Santa Rosa Surgery and Endoscopy Center in Santa Rosa, California
Dr. Lewton's primary practice is Santa Rosa Surgery and Endoscopy Center, at 34 Mark West Springs Road, Suite 100, Santa Rosa, CA 95403. The practice phone is (707) 541-3500.
- Santa Rosa Surgery and Endoscopy Center34 Mark West Springs Road, Suite 100, Santa Rosa, CA 95403Phone(707) 541-3500
Source: Dmand AI Affiliation Data
Dr. Zachary R. Lewton is affiliated with 7 sites of care and 1 medical group
Dr. Lewton's primary practice is Santa Rosa Surgery and Endoscopy Center in Santa Rosa, California. Dr. Lewton is also affiliated with Providence Santa Rosa Memorial Hospital. The medical group on file is Palo Alto Foundation Medical Group. Dmand AI also links Dr. Lewton to 4 more hospitals 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. Zachary R. Lewton's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Lewton practices, 7 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Santa Rosa Surgery and Endoscopy Center | Available with a free account |
| +6 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Zachary R. Lewton is one of 2,207 neurologists in California
Neurology is Dr. Lewton's primary specialty in the NPI Registry, under taxonomy code 2084N0400X. Dr. Lewton is board certified in neurology by the American Board of Psychiatry and Neurology. Dmand AI has Dr. Lewton's licenses on file in 3 states: California, Ohio and Michigan.
Specialties and state licenses
- Neurology, CaliforniaPrimary
- Ohio license
- Michigan license
Clinical focus
Dmand AI lists acute mini-stroke (TIA), alzheimer's disease, cerebrovascular disease, epilepsy, essential tremor, fibromyalgia and chronic pain, head injury and hereditary polyneuropathy among the conditions Dr. Lewton treats.
Neurologists near Dr. Lewton
Counts of neurologists 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. Zachary R. Lewton billed Medicare for 21,618 services in 2024
CMS data shows 21,618 Medicare services from Dr. Lewton across 12 procedure codes in 2024, for 767 Medicare patients. Medicare paid $196,715 for them.
Dr. Lewton's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Drugs given in the office
- 2023: 22,6102024: 20,5909%
- Office and hospital visits
- 2023: 9442024: 9024%
- Surgery
- 2023: 672024: 6010%
- Tests and treatments
- 2023: 762024: 4442%
- Other services
- 2023: 02024: 22
Where Dr. Lewton's Medicare services took place, 2024
- In an office21,544100%
- In a facility740%
Dr. Lewton compared with the California median for neurologists, 2024
- Dr. Lewton
- California median
- Medicare services
- 21,618vs 40453.5 times
- Medicare patients
- 767vs 1904.0 times
- Part D claims
- 3,855vs 32411.9 times
Medians across 1,995 neurologists in California with Dmand AI profiles that report each measure.
Dr. Lewton'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. Lewton?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Lewton and other neurologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Zachary R. Lewton treated 767 Medicare patients in 2024, average age 74
CMS counts 767 Medicare patients who saw Dr. Lewton in 2024. The largest group is 75 to 84, with 312 patients. 75% of them have high cholesterol, and 64% have high blood pressure. 23% are also on Medicaid. Their average risk score is 1.36, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Lewton's median patient age at 73, with 62% women.
Dr. Lewton's Medicare patients by age, 2024
Dr. Lewton's Medicare patients by sex, 2024
- Women44458%
- Men32342%
Chronic conditions among Dr. Lewton's Medicare patients, 2024
- High cholesterol75%
- High blood pressure64%
- Arthritis49%
- Mood disorders34%
- Anxiety31%
- Depression29%
- Ischemic heart disease28%
- Diabetes19%
Share of Medicare patients with each condition. A patient can have several.
Dr. Lewton's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 73
Patient panel by sex, all payers
- Women62%
- Men36%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Zachary R. Lewton wrote 4,196 Medicare Part D claims in 2024
In 2024, Dr. Lewton wrote 4,196 Medicare Part D claims for 689 patients. 96% of them were for generic drugs. CMS names the drug for 3,855 of them, across 49 drugs with 11 or more claims each, at $219,162 in total drug cost. In 2023, CMS named 3,788 claims across 52 drugs.
Dr. Lewton's Part D claims by kind of drug, 2024
- Generic4,038 claims96%
- Brand-name147 claims4%
- Other11 claims0%
Dr. Lewton'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. Lewton's Part D claims, 2024
- Opioids1%32 of 4,196 claims
- Antipsychotics, patients 65 and over0%19 of 4,196 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: 3,7882024: 3,8552%
Drugs named by CMS: 49 in 2024, 52 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. Zachary R. Lewton offers telehealth to Medicare patients
Dr. Lewton accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Lewton as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Zachary R. Lewton received $1,305 in industry payments from 2017 to 2024
CMS Open Payments shows 79 general payments to Dr. Lewton from 7 drug and device companies from 2017 to 2024. Food and beverage make up the largest share, 100% of the total. Allergan Inc. paid the most, $632.
General payments to Dr. Lewton by program year, 2017 to 2024
Companies that paid Dr. Lewton the most, 2017 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Zachary R. Lewton graduated from University of Rochester Medical Center
Dr. Lewton graduated from University of Rochester Medical Center in 1999.
- Medical school
- Board certified in neurology
Source: Dmand AI Professional Profile Data
Dr. Zachary R. Lewton accepts plans from 14 insurance carriers
Dr. Lewton is in network with 14 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 10. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Michigan
- United Healthcare
- Elevance
- HCSC
- Blue Cross Blue Shield of Massachusetts
- Health Alliance Plan
- Regence Health Plans
- +6 more carriersWith a free account
Plan types Dr. Lewton accepts, by number of carriers
- PPO10
- Medicare7
- HMO6
- EPO5
- POS3
Source: Dmand AI Insurance Network Data
Sources for Dr. Zachary R. Lewton'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) |
| 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. Zachary R. Lewton
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. Zachary R. Lewton's NPI number?
Dr. Zachary R. Lewton's NPI number is 1346202975. It was assigned on April 6, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Zachary R. Lewton?
Dr. Zachary R. Lewton is a neurologist in Santa Rosa, California. The primary specialty in the NPI Registry is Neurology Physician (taxonomy code 2084N0400X).
Where does Dr. Zachary R. Lewton practice?
Dr. Lewton practices at 34 Mark West Springs Road, Suite 100, Santa Rosa, CA 95403. Dr. Lewton's primary practice is Santa Rosa Surgery and Endoscopy Center in Santa Rosa, California. Dmand AI also links Dr. Lewton to 4 hospitals and 1 group practice or clinic.
What is Dr. Zachary R. Lewton's office phone number?
The practice phone on file for Dr. Lewton is (707) 541-3500.
What is Dr. Zachary R. Lewton's medical license number?
Dr. Lewton holds California license C55988, one of the licenses on file in 3 states.
Which states has Dr. Zachary R. Lewton been licensed in?
Dmand AI has state licenses on file for Dr. Lewton in California (2013 to 2027), Ohio (2004 to 2014) and Michigan (2003 to 2007).
Which hospitals is Dr. Zachary R. Lewton affiliated with?
Dr. Lewton is affiliated with Providence Santa Rosa Memorial Hospital. Dmand AI links Dr. Lewton to 4 more hospitals.
What medical group is Dr. Zachary R. Lewton part of?
Dr. Lewton is linked to Palo Alto Foundation Medical Group.
Does Dr. Zachary R. Lewton accept Medicare?
Yes. CMS data shows Dr. Lewton billed Medicare for 21,618 services in 2024, and Dr. Lewton accepts Medicare assignment.
Does Dr. Zachary R. Lewton offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Lewton as offering telehealth services.
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How many Medicare patients does Dr. Zachary R. Lewton see?
CMS counts 767 Medicare patients who saw Dr. Lewton in 2024, with an average age of 74.
Is Dr. Zachary R. Lewton board certified?
Yes. Dr. Lewton is board certified in neurology by the American Board of Psychiatry and Neurology.
What services does Dr. Zachary R. Lewton bill to Medicare?
In 2024, Dr. Lewton's most billed Medicare services were injected or infused drug (J0585), office visit, established patient (99213) and office visit, new patient (99204).
Where did Dr. Zachary R. Lewton go to medical school?
Dr. Lewton graduated from University of Rochester Medical Center in 1999.
What drugs does Dr. Zachary R. Lewton prescribe most?
In 2024 Medicare Part D data, Dr. Lewton's most prescribed drugs by claims were Memantine HCl, Gabapentin and Donepezil HCl.
Has Dr. Zachary R. Lewton received payments from drug or device companies?
CMS Open Payments shows $1,305 in general payments to Dr. Lewton from 7 companies from 2017 to 2024. The largest total came from Allergan Inc.
How long has Dr. Zachary R. Lewton been practicing?
Dr. Lewton graduated from medical school in 1999, 27 years ago.
What insurance does Dr. Zachary R. Lewton accept?
Dr. Lewton is in network with 14 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 10. Check the plan with the practice before a visit.
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