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Dr. Erica J. Lewis, MD
NPI1154572345PAC ID5496923682
- Medicare services, 2024
- 470
- Medicare patients, 2024
- 313
- Part D claims, 2024
- 256
- Publications
- 1
- Hospital affiliations
- 1
- Practice address
- 301 Industrial Road Suite 1se, San Carlos, CA 94070
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Surgery Center San Carlos
Surgery Center - Medicare-Certified · San Carlos, California
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Dr. Erica J. Lewis is an emergency medicine physician in San Carlos, California
Dr. Lewis practices at Surgery Center San Carlos in San Carlos, California.
Dr. Lewis' NPI, 1154572345, was assigned on October 6, 2008. Dr. Lewis graduated from Loyola University Chicago Stritch School of Medicine in 2008. Dr. Lewis' California license number on file is A109167.
NPI and contact details
- NPI
- 1154572345NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5496923682
- NPI enumeration date
- October 6, 2008
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 44
- Medical school graduation
- 2008
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Erica J. Lewis practices at Surgery Center San Carlos in San Carlos, California
Dr. Lewis' primary practice is Surgery Center San Carlos, at 301 Industrial Road Suite 1se, San Carlos, CA 94070.
- Surgery Center San Carlos301 Industrial Road Suite 1se, San Carlos, CA 94070
Source: Dmand AI Affiliation Data
Dr. Erica J. Lewis is affiliated with 3 sites of care and 2 medical groups
Dr. Lewis' primary practice is Surgery Center San Carlos in San Carlos, California. Dr. Lewis is also affiliated with El Camino Health - Mountain View Hospital. The medical group on file is Palo Alto Foundation Medical Group. Dmand AI also links Dr. Lewis to 1 more physician office and 1 medical group, each named with a free account.
Surgery Center San CarlosPrimary
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Erica J. Lewis' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Lewis practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Surgery Center San Carlos | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Erica J. Lewis is one of 7,423 emergency medicine physicians in California
Emergency medicine is Dr. Lewis' primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Lewis is board certified in emergency medicine by the American Board of Emergency Medicine. Dr. Lewis has a license on file in California.
Specialties and state licenses
- Emergency medicine, CaliforniaPrimary
Emergency medicine physicians near Dr. Lewis
Counts of emergency 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. Erica J. Lewis billed Medicare for 470 services in 2024
CMS data shows 470 Medicare services from Dr. Lewis across 10 procedure codes in 2024, for 313 Medicare patients. Medicare paid $45,232 for them. Every service was in an office.
Medicare services, 2024470
Medicare patients313
Paid by Medicare$45,232
Procedure codes10
Dr. Lewis' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 4112024: 32122%
- Lab and pathology
- 2023: 182024: 149728%
- Imaging
- 2023: 442024: 0100%
- Tests and treatments
- 2023: 112024: 0100%
Dr. Lewis compared with the California median for emergency medicine physicians, 2024
- Dr. Lewis
- California median
- Medicare services
- 470vs 26577% above
- Medicare patients
- 313vs 24329% above
- Part D claims
- 123vs 6298% above
Medians across 7,079 emergency medicine physicians in California with Dmand AI profiles that report each measure.
Dr. Lewis' 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. Lewis?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Lewis and other emergency medicine physicians in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Erica J. Lewis treated 313 Medicare patients in 2024, average age 76
CMS counts 313 Medicare patients who saw Dr. Lewis in 2024. The largest group is 65 to 74, with 141 patients. 75% of them have high cholesterol, and 65% have high blood pressure. Their average risk score is 0.86, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Lewis' median patient age at 46, with 56% women.
Medicare patients, 2024313
Average age76
Average risk score0.86
Dr. Lewis' Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Lewis' Medicare patients by sex, 2024
- Women18158%
- Men13242%
Chronic conditions among Dr. Lewis' Medicare patients, 2024
- High cholesterol75%
- High blood pressure65%
- Arthritis39%
- Ischemic heart disease25%
- Osteoporosis22%
- Anxiety18%
- Cancer18%
- Diabetes17%
Share of Medicare patients with each condition. A patient can have several.
Dr. Lewis' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 46
Patient panel by sex, all payers
- Women56%
- Men42%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Erica J. Lewis wrote 256 Medicare Part D claims in 2024
In 2024, Dr. Lewis wrote 256 Medicare Part D claims for 191 patients. 88% of them were for generic drugs. CMS names the drug for 123 of them, across 5 drugs with 11 or more claims each, at $1,581 in total drug cost. In 2023, CMS named 44 claims across 2 drugs.
Part D claims, 2024256
Drugs named by CMS5
Total drug cost$1,581
Part D patients191
Dr. Lewis' Part D claims by kind of drug, 2024
- Generic226 claims88%
- Brand-name and other30 claims12%
Dr. Lewis' 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. Lewis' Part D claims, 2024
- Opioids4%11 of 256 claims
- Antibiotics46%118 of 256 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: 442024: 123180%
Drugs named by CMS: 5 in 2024, 2 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
How Dr. Erica J. Lewis takes part in Medicare
Dr. Lewis accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Removal of tissue: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Erica J. Lewis has 1 publication on record
Dmand AI links 1 paper to Dr. Lewis in 2014. Dr. Lewis' most frequent co-authors are Brian J. Krabak, MBA, MD, Grant Stuart Lipman, MD and Brandee Lynn Waite.
Papers1
Dr. Lewis' most frequent co-authors
- Brian J. Krabak, MBA, MD1 shared paper
- Grant Stuart Lipman, MD1 shared paper
- Brandee Lynn Waite1 shared paper
Recent publications by Dr. Lewis
See who Dr. Lewis researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Lewis works with, so you can find a warm path to the right emergency medicine physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Erica J. Lewis received $19 in industry payments in 2016
CMS Open Payments shows 1 general payment to Dr. Lewis from 1 drug or device company in 2016. Food and beverage make up the largest share, 100% of the total. Genentech, Inc. paid the most, $19.
Companies that paid Dr. Lewis the most, 2016 to 2016
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Erica J. Lewis graduated from Loyola University Chicago Stritch School of Medicine
Dr. Lewis graduated from Loyola University Chicago Stritch School of Medicine in 2008.
- Medical school
- Board certified in emergency medicine
Source: Dmand AI Professional Profile Data
Dr. Erica J. Lewis accepts plans from 13 insurance carriers
Dr. Lewis is in network with 13 carriers, including United Healthcare, Elevance and Aetna. PPO plans come from the most carriers, 8. Check the plan with the practice before a visit.
- United Healthcare
- Elevance
- Aetna
- Alliant Health Plans
- Blue Cross Blue Shield of Michigan
- HCSC
- Aspirus Health Plan
- Blue Cross and Blue Shield of Kansas City
- +5 more carriersWith a free account
Plan types Dr. Lewis accepts, by number of carriers
- PPO8
- HMO6
- EPO3
- POS3
- Medicare2
Source: Dmand AI Insurance Network Data
Sources for Dr. Erica J. Lewis'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)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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. Erica J. Lewis
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. Erica J. Lewis' NPI number?
Dr. Erica J. Lewis' NPI number is 1154572345. It was assigned on October 6, 2008, and it is active in the NPI Registry.
What kind of doctor is Dr. Erica J. Lewis?
Dr. Erica J. Lewis is an emergency medicine physician in San Carlos, California. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Erica J. Lewis practice?
Dr. Lewis practices at 301 Industrial Road Suite 1se, San Carlos, CA 94070. Dr. Lewis' primary practice is Surgery Center San Carlos in San Carlos, California. Dmand AI also links Dr. Lewis to 1 physician office and 1 medical group.
What is Dr. Erica J. Lewis' medical license number?
Dr. Lewis' California license number on file is A109167.
Which hospitals is Dr. Erica J. Lewis affiliated with?
Dr. Lewis is affiliated with El Camino Health - Mountain View Hospital.
What medical group is Dr. Erica J. Lewis part of?
Dr. Lewis is linked to Palo Alto Foundation Medical Group. Dmand AI links Dr. Lewis to 1 more medical group.
Does Dr. Erica J. Lewis accept Medicare?
Yes. CMS data shows Dr. Lewis billed Medicare for 470 services in 2024, and Dr. Lewis accepts Medicare assignment.
How many Medicare patients does Dr. Erica J. Lewis see?
CMS counts 313 Medicare patients who saw Dr. Lewis in 2024, with an average age of 76.
Is Dr. Erica J. Lewis board certified?
Yes. Dr. Lewis is board certified in emergency medicine by the American Board of Emergency Medicine.
What services does Dr. Erica J. Lewis bill to Medicare?
In 2024, Dr. Lewis' most billed Medicare services were office visit, established patient (99214), office visit, new patient (99204) and lab and pathology test (81003).
Show 7 more questionsShow fewer questions
Where did Dr. Erica J. Lewis go to medical school?
Dr. Lewis graduated from Loyola University Chicago Stritch School of Medicine in 2008.
What drugs does Dr. Erica J. Lewis prescribe most?
In 2024 Medicare Part D data, Dr. Lewis' most prescribed drugs by claims were Azithromycin, Amoxicillin-Clavulanate Potass and Cefpodoxime Proxetil.
Has Dr. Erica J. Lewis received payments from drug or device companies?
CMS Open Payments shows $19 in general payments to Dr. Lewis from 1 company from 2016 to 2016. The largest total came from Genentech, Inc.
How long has Dr. Erica J. Lewis been practicing?
Dr. Lewis graduated from medical school in 2008, 18 years ago.
Does Dr. Erica J. Lewis do research?
Dmand AI links 1 publication to Dr. Lewis.
Who does Dr. Erica J. Lewis publish with?
Dr. Lewis' most frequent co-authors are Brian J. Krabak, MBA, MD (1 shared paper), Grant Stuart Lipman, MD (1 shared paper) and Brandee Lynn Waite (1 shared paper).
What insurance does Dr. Erica J. Lewis accept?
Dr. Lewis is in network with 13 carriers, including United Healthcare, Elevance and Aetna. PPO plans come from the most carriers, 8. Check the plan with the practice before a visit.
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