Chad Seymour Lewis, M.D.
Emergency Medicine Physician · Scottsdale, AZ
Chad Seymour Lewis, M.D. is an emergency medicine physician with a practice address in Scottsdale, Arizona, and NPI 1275713703, issued on Nov 13, 2007. Check the license (Arizona 37717, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Chad Seymour Lewis
- Credential
- M.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License numbers
- 37717 AZ
246764 NY
Self-reported in NPPES; status is on the state search - Practice location
- 18524 N 94TH St, Scottsdale, AZ 85255
- Phone
- (718) 757-4758
- Enumerated
- Nov 13, 2007
- Record last updated
- May 19, 2009 (not updated in 17 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20080626000688); accepts Medicare assignment
- Medical or professional school
- New York Medical College, 2003
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 1,494 in Arizona → Look up another NPI →
Verify Chad Seymour Lewis in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 37717Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
7% more Medicare Part D claims than the average emergency medicine physician in 2024
242 Medicare Part D claims for 166 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 38 claims were for opioids.
Most prescribed
- Amoxicillin-Clavulanate Potass23 claims
- Acetaminophen-Codeine20 claims
- Cephalexin15 claims
- Ondansetron Odt15 claims
- Gabapentin12 claims
- Methylprednisolone11 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 76.1 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $130.61
1 payment: food and beverage; the largest payer was Janssen Pharmaceuticals, Inc. The 12,335 providers of this specialty with any payment received $953.79 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Cep America- Arizona, PCSun City West, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Chad Seymour Lewis among 1,494 emergency medicine physician records in Arizona
Chad Seymour Lewis, M.D. is one of 1,494 emergency medicine physician records with a practice address in Arizona. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 38% of them.
- NPI issued2007 · 38% of these records are older, 56% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 55% of these records are
- Graduated2003 · median 2014 among the 828 with a school on file
- Record last updated2009 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Emergency Medicine Physician providers in Arizona
There are 1,494 emergency medicine physician records in Arizona.
All 1,494 in Arizona → Every provider in Scottsdale → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Thomas Garrison, MDScottsdale, AZ 852551134131154
- Timothy Raissian, M.D.Scottsdale, AZ 852551225349715
- Gina Berman, M.D.Scottsdale, AZ 852541740207190
- Dale Fine, MDScottsdale, AZ 852541619963691
- Hunter Hoopes, DOScottsdale, AZ 852541669113429
- Bruce Adams, M.D.Mesa, AZ 852531801824925
- Marilyn Geninatti, MDParadise Valley, AZ 852531649204819
- Steven Lipsky, MDParadise Valley, AZ 852531154343523
Common questions
What is Chad Seymour Lewis, M.D.'s NPI number?
Chad Seymour Lewis, M.D.'s National Provider Identifier (NPI) is 1275713703, issued on Nov 13, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Chad Seymour Lewis, M.D. located?
The NPPES record lists a practice address at 18524 N 94TH St, Scottsdale, AZ, 85255. Phone: (718) 757-4758. Providers update this record themselves, so call before visiting.
How can I verify Chad Seymour Lewis, M.D.'s license?
NPPES lists Arizona license number 37717, as entered by the provider. Search the Arizona Medical Board at https://www.azmd.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Chad Seymour Lewis, M.D. prescribe under Medicare Part D?
In 2024, Chad Seymour Lewis, M.D. had 242 Medicare Part D claims for 166 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
What is Chad Seymour Lewis, M.D.'s MIPS final score?
The 2023 MIPS final score is 76.1 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.