Cassidy Elizabeth Pattik, M.D.
Internal Medicine Physician · Mesa, AZ
Cassidy Elizabeth Pattik, M.D. is an internal medicine physician with a practice address in Mesa, Arizona, and NPI 1396278719, issued on Apr 4, 2017. Check the license (Arizona 78260, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Cassidy Elizabeth Pattik
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- 78260 AZ
1396278719 FL
ME143069 FL
Self-reported in NPPES; status is on the state search - Practice location
- 1060 E Southern Ave Ste 106, Mesa, AZ 85204
- Phone
- (480) 870-7400
- Enumerated
- Apr 4, 2017
- Record last updated
- Jun 3, 2026
- Fax
- (480) 906-2174
- Medicare enrollment
- Enrolled (PECOS I20260415003347); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,853 in Arizona → Look up another NPI →
Also registered at 1060 E Southern Ave Ste 106
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Amy Simmons, FNP-CFamily Nurse Practitioner1366953143
Verify Cassidy Elizabeth Pattik in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 78260Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.4 times the Medicare Part D claims of the average internal medicine physician in 2024
10,709 Medicare Part D claims for 1,078 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 201 claims were for opioids.
Most prescribed
- Atorvastatin Calcium689 claims
- Lisinopril473 claims
- Amlodipine Besylate397 claims
- Rosuvastatin Calcium389 claims
- Metformin Hcl354 claims
- Levothyroxine Sodium351 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.
Industry payments in 2024: $401.83
22 payments; by number, the most common kind was food and beverage; the largest payer was Novo Nordisk Inc. The 50,334 providers of this specialty with any payment received $1,303.06 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 4 group practices
- Ability Health Services And Rehabilitation LPSanford, FL
- Ability Health Services, IncSanford, FL
- EL Rio Santa Cruz Neighborhood Health Center, Inc.Tucson, AZ
- Ormond Medical ArtsSouth Daytona, FL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Cassidy Elizabeth Pattik among 2,853 internal medicine physician records in Arizona
Cassidy Elizabeth Pattik, M.D. is one of 2,853 internal medicine physician records with a practice address in Arizona. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 75% of them.
- NPI issued2017 · 75% of these records are older, 23% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated2017 · median 2003 among the 1,643 with a school on file
- Record last updated2026 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
157 internal medicine physician records list a practice address in Mesa
They are 157 of the 9,151 NPPES records with a practice address in Mesa, and 2,853 internal medicine physician records in Arizona.
All 2,853 in Arizona → Every provider in Mesa → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Brian Andrews, M.DMesa, AZ 852041326127473
- Sudha Kamineni, MDMesa, AZ 852041619957339
- Anupama Nutakki, M.D.Mesa, AZ 852041386605657
- Marie Theresa Pimentel, M.DMesa, AZ 852041891874962
- Yessica Sachdeva, M.D.Mesa, AZ 852041730496274
- Usma Ahmad, MD MBBSMesa, AZ 852031588824098
- Muhammad Alam, MDMesa, AZ 852051891829057
- Mathew Benjamin, M.D.Mesa, AZ 852031699891614
Common questions
What is Cassidy Elizabeth Pattik, M.D.'s NPI number?
Cassidy Elizabeth Pattik, M.D.'s National Provider Identifier (NPI) is 1396278719, issued on Apr 4, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Cassidy Elizabeth Pattik, M.D. located?
The NPPES record lists a practice address at 1060 E Southern Ave Ste 106, Mesa, AZ, 85204. Phone: (480) 870-7400. Providers update this record themselves, so call before visiting.
How can I verify Cassidy Elizabeth Pattik, M.D.'s license?
NPPES lists Arizona license number 78260, 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 Cassidy Elizabeth Pattik, M.D. prescribe under Medicare Part D?
In 2024, Cassidy Elizabeth Pattik, M.D. had 10,709 Medicare Part D claims for 1,078 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
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.