Maressa M. Alejandro Reyes, MD
Geriatric Medicine (Internal Medicine) Physician · Tucson, AZ
Maressa M. Alejandro Reyes, MD is a geriatric medicine (internal medicine) physician with a practice address in Tucson, Arizona, and NPI 1750328969, issued on May 31, 2006. Check the license (Arizona 43530, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Maressa M. Alejandro Reyes
- Credential
- MD
- Primary taxonomy
- Geriatric Medicine (Internal Medicine) Physician 207RG0300X
- License numbers
- 43530 AZ
30222 SC
Self-reported in NPPES; status is on the state search - Practice location
- 1702 W. Anklam Road, Tucson, AZ 85745
- Phone
- (520) 749-3031
- Enumerated
- May 31, 2006
- Record last updated
- Jul 6, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (240) 252-5668
- Medicaid ID
- 578519 AZ
- Medicare enrollment
- Enrolled (PECOS I20110112000619); accepts Medicare assignment
- Medical or professional school
- Ponce School Of Medicine, 1994
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest geriatric medicine (internal medicine) physician records → All 65 in Arizona → Look up another NPI →
Verify Maressa M. Alejandro Reyes in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 43530Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
70% fewer Medicare Part D claims than the average geriatric medicine (internal medicine) physician in 2024
1,280 Medicare Part D claims for 185 beneficiaries, against an average of 4,246 among the 3,116 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims.
Most prescribed
- Atorvastatin Calcium100 claims
- Amlodipine Besylate67 claims
- Levothyroxine Sodium60 claims
- Pantoprazole Sodium55 claims
- Lisinopril54 claims
- Metformin Hcl51 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: $296.52
10 payments; by number, the most common kind was food and beverage; the largest payer was Boston Scientific Corporation. The 1,004 providers of this specialty with any payment received $1,720.82 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 2 group practices
- Fusion Medical Care PLLCScottsdale, AZ
- I AM Wellness AZ LLCPhoenix, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Maressa M. Alejandro Reyes among 65 geriatric medicine (internal medicine) physician records in Arizona
Maressa M. Alejandro Reyes, MD is one of 65 geriatric medicine (internal medicine) physician records with a practice address in Arizona. 60% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 11% of them.
- NPI issued2006 · 11% of these records are older, 31% newer
- In a Medicare fileYes · 60% of these records are
- In the CMS Doctors and Clinicians fileYes · 43% of these records are
- Graduated1994 · median 1998 among the 27 with a school on file
- Record last updated2011 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0300X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Geriatric Medicine (Internal Medicine) Physician providers in Arizona
There are 65 geriatric medicine (internal medicine) physician records in Arizona.
All 65 in Arizona → Every provider in Tucson → Geriatric Medicine (Internal Medicine) Physician nationwide →
The 8 geriatric medicine (internal medicine) physician records with the nearest ZIP codes
- Carol Cox, MDTucson, AZ 857451851301949
- Milan Jansky, MDTucson, AZ 857451598748428
- Rama Dasari, MDTucson, AZ 857461295795714
- John Pifer, M.D.Tucson, AZ 857411407811268
- John Dougherty, M.D.Oro Valley, AZ 857371043252844
- Janet Campion, MDTucson, AZ 857241710968565
- Paul Gee, DR/Tucson, AZ 857241730128489
- Holly Ahner, MDTucson, AZ 857231073621801
Common questions
What is Maressa M. Alejandro Reyes, MD's NPI number?
Maressa M. Alejandro Reyes, MD's National Provider Identifier (NPI) is 1750328969, issued on May 31, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Maressa M. Alejandro Reyes, MD located?
The NPPES record lists a practice address at 1702 W. Anklam Road, Tucson, AZ, 85745. Phone: (520) 749-3031. Providers update this record themselves, so call before visiting.
How can I verify Maressa M. Alejandro Reyes, MD's license?
NPPES lists Arizona license number 43530, 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 Maressa M. Alejandro Reyes, MD prescribe under Medicare Part D?
In 2024, Maressa M. Alejandro Reyes, MD had 1,280 Medicare Part D claims for 185 beneficiaries; the average among geriatric medicine (internal medicine) physician prescribers was 4,246. 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.