Lais Ungari Perlstein, MD, PHD
Internal Medicine Physician · Mesa, AZ
Lais Ungari Perlstein, MD, PHD is an internal medicine physician with a practice address in Mesa, Arizona, and NPI 1184835126, issued on May 24, 2007. Check the license (Arizona 46622, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Lais Ungari Perlstein
- Credential
- MD, PHD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- 46622 AZ
228041 MA
Self-reported in NPPES; status is on the state search - Practice location
- 1705 W Main St, Mesa, AZ 85201
- Phone
- (480) 964-2273
- Enumerated
- May 24, 2007
- Record last updated
- Nov 16, 2023
- Fax
- (480) 718-9477
- Medicaid IDs
- 110085029A MA
864565 AZ - Medicare enrollment
- Enrolled (PECOS I20131219001506); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,853 in Arizona → Look up another NPI →
Also registered at 1705 W Main St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Lais Ungari Perlstein in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 46622Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
19% fewer Medicare Part D claims than the average internal medicine physician in 2024
2,557 Medicare Part D claims for 206 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 18% of claims. 23 claims were for opioids.
Most prescribed
- Atorvastatin Calcium195 claims
- Amlodipine Besylate168 claims
- Metformin Hcl160 claims
- Levothyroxine Sodium156 claims
- Losartan Potassium144 claims
- Lisinopril93 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: $159.15
3 payments; by number, the most common kind was food and beverage; the largest payer was Insulet Corporation. 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 one group practice
- Adelante Healthcare, IncSurprise, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Lais Ungari Perlstein among 2,853 internal medicine physician records in Arizona
Lais Ungari Perlstein, MD, PHD 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 2007, is newer than 45% of them.
- NPI issued2007 · 45% of these records are older, 47% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated1997 · median 2003 among the 1,643 with a school on file
- Record last updated2023 · 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
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- Thomas Edwards, DOMesa, AZ 852011669536348
- Robert Elk, M.D.Mesa, AZ 852011083643514
- Jonathan Murphy, M.D.Mesa, AZ 852011194727065
- Meera Pathare, MDMesa, AZ 852011447251921
- Russell Roberts, D.O.Mesa, AZ 852011366799884
Common questions
What is Lais Ungari Perlstein, MD, PHD's NPI number?
Lais Ungari Perlstein, MD, PHD's National Provider Identifier (NPI) is 1184835126, issued on May 24, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Lais Ungari Perlstein, MD, PHD located?
The NPPES record lists a practice address at 1705 W Main St, Mesa, AZ, 85201. Phone: (480) 964-2273. Providers update this record themselves, so call before visiting.
How can I verify Lais Ungari Perlstein, MD, PHD's license?
NPPES lists Arizona license number 46622, 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 Lais Ungari Perlstein, MD, PHD prescribe under Medicare Part D?
In 2024, Lais Ungari Perlstein, MD, PHD had 2,557 Medicare Part D claims for 206 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.