Gemma Justice Lopez, PA-C
Pain Medicine (Physical Medicine & Rehabilitation) Physician · San Tan Valley, AZ
Gemma Justice Lopez, PA-C is a pain medicine (physical medicine & rehabilitation) physician with a practice address in San Tan Valley, Arizona, and NPI 1932683919, issued on Sep 17, 2018. Check the license (Arizona 7208, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Gemma Justice Lopez
- Credential
- PA-C
- Primary taxonomy
- Pain Medicine (Physical Medicine & Rehabilitation) Physician 2081P2900X
- License number
- 7208 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 36453 N Gantzel RD Ste 101, San Tan Valley, AZ 85140
- Phone
- (480) 636-1225
- Enumerated
- Sep 17, 2018
- Record last updated
- Jan 28, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (480) 636-8890
- Medicaid ID
- 577172 AZ
- Medicare enrollment
- Enrolled (PECOS I20181127001337); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest pain medicine (physical medicine & rehabilitation) physician records → All 42 in Arizona → Look up another NPI →
Verify Gemma Justice Lopez in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 7208Check 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 pain medicine (physical medicine & rehabilitation) physician in 2024
5,024 Medicare Part D claims for 395 beneficiaries, against an average of 1,479 among the 1,457 providers of this specialty who prescribed in Part D. Brand-name drugs were 5% of claims. 2,900 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen809 claims
- Oxycodone-Acetaminophen760 claims
- Oxycodone Hcl568 claims
- Gabapentin350 claims
- Tizanidine Hcl341 claims
- Cyclobenzaprine Hcl224 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): 38.6 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: $1,723.10
67 payments; by number, the most common kind was food and beverage; the largest payer was Nalu Medical, Inc. The 1,126 providers of this specialty with any payment received $2,193.30 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
- Pain Institute OF Southern Arizona Pisa PCSan Tan Valley, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gemma Justice Lopez among 42 pain medicine (physical medicine & rehabilitation) physician records in Arizona
Gemma Justice Lopez, PA-C is one of 42 pain medicine (physical medicine & rehabilitation) physician records with a practice address in Arizona. 95% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 90% of them.
- NPI issued2018 · 90% of these records are older, 5% newer
- In a Medicare fileYes · 95% of these records are
- In the CMS Doctors and Clinicians fileYes · 76% of these records are
- Graduated2018 · median 2004 among the 32 with a school on file
- Record last updated2021 · 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 2081P2900X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pain Medicine (Physical Medicine & Rehabilitation) Physician providers in Arizona
There are 42 pain medicine (physical medicine & rehabilitation) physician records in Arizona.
All 42 in Arizona → Every provider in San Tan Valley → Pain Medicine (Physical Medicine & Rehabilitation) Physician nationwide →
The 8 pain medicine (physical medicine & rehabilitation) physician records with the nearest ZIP codes
- Joel Braun, M.D.Mesa, AZ 852021144457110
- Joseph Gottesman, MDChandler, AZ 852241750334850
- Timothy Sanford, MDChandler, AZ 852241841582103
- Shimul Sahai, M.D.Chandler, AZ 852251376761577
- Daniel Kreiner, MDPhoenix, AZ 850481770544454
- Michael Givens, M.D.Gilbert, AZ 852331851656771
- Jerry Sobel, MDPhoenix, AZ 850321477511913
- Paul Wang, D.O.Scottsdale, AZ 852541053492389
Common questions
What is Gemma Justice Lopez, PA-C's NPI number?
Gemma Justice Lopez, PA-C's National Provider Identifier (NPI) is 1932683919, issued on Sep 17, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Gemma Justice Lopez, PA-C located?
The NPPES record lists a practice address at 36453 N Gantzel RD Ste 101, San Tan Valley, AZ, 85140. Phone: (480) 636-1225. Providers update this record themselves, so call before visiting.
How can I verify Gemma Justice Lopez, PA-C's license?
NPPES lists Arizona license number 7208, 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 Gemma Justice Lopez, PA-C prescribe under Medicare Part D?
In 2024, Gemma Justice Lopez, PA-C had 5,024 Medicare Part D claims for 395 beneficiaries; the average among pain medicine (physical medicine & rehabilitation) physician prescribers was 1,479. Part D covers Medicare prescriptions only.
What is Gemma Justice Lopez, PA-C's MIPS final score?
The 2023 MIPS final score is 38.6 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.