Gary Frank Rivas, PA-C, RD

  • Long Beach, CA
  • Physician assistant
NPI1477895621PAC ID1759751738
Medicare patients, 2024
29
Part D claims, 2024
3,843
Affiliated sites
2
Medical groups
2
State license
1
Practice address
2600 Redondo Avenue, Long Beach, CA 90806
Practice phone
Call (562) 988-7147
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Optum Surgery Center - Long Beach

Surgery Center - Medicare-Certified · Long Beach, California

See all 4 affiliations

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Gary Frank Rivas is a physician assistant in Long Beach, California

Gary Rivas practices at Optum Surgery Center - Long Beach in Long Beach, California.

Gary Rivas' NPI, 1477895621, was assigned on March 25, 2013. Gary Rivas holds California license PA61522.

NPI and contact details
Medicare PAC ID
1759751738
NPI enumeration date
March 25, 2013
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(562) 988-7147
Professional email
Get email
Personal email
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Mobile number
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Sex
Male
Estimated age
30
Medical school graduation
2022

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Gary Frank Rivas practices at Optum Surgery Center - Long Beach in Long Beach, California

Gary Rivas' primary practice is Optum Surgery Center - Long Beach, at 2600 Redondo Avenue, Long Beach, CA 90806. The practice phone is (562) 988-7147.

  • Optum Surgery Center - Long Beach
    2600 Redondo Avenue, Long Beach, CA 90806Phone(562) 988-7147

Source: Dmand AI Affiliation Data

Gary Frank Rivas is affiliated with 2 sites of care and 2 medical groups

Gary Rivas' primary practice is Optum Surgery Center - Long Beach in Long Beach, California. The medical group on file is Optum - Downtown Los Angeles. Dmand AI also links Gary Rivas to 1 more group practice or clinic and 1 medical group, each named with a free account.

See all 4 affiliations for Gary Rivas

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Gary Frank Rivas' practice

Dmand AI tracks the electronic health record (EHR) system at each site where Gary Rivas practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Optum Surgery Center - Long BeachAvailable with a free account
+1 more site and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Gary Frank Rivas is one of 11,482 physician assistants in California

Physician assistant is Gary Rivas' primary specialty in the NPI Registry, under taxonomy code 363A00000X. Gary Rivas is licensed in California.

Specialties and state licenses

  • Physician assistant, CaliforniaPrimaryLicense PA61522 · taxonomy 363A00000X

Physician assistants near Gary Rivas

Counts of physician assistants with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Gary Frank Rivas treated 29 Medicare patients in 2024, average age 72

CMS counts 29 Medicare patients who saw Gary Rivas in 2024. The largest group is 75 to 84, with 13 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 1.65, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Gary Rivas' median patient age at 71, with 52% women.

Medicare patients, 202429
Average age72
Average risk score1.65

Gary Rivas' Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Gary Rivas' Medicare patients by sex, 2024

  • Women1655%
  • Men1345%

Chronic conditions among Gary Rivas' Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Diabetes62%
  4. Chronic kidney disease41%

Share of Medicare patients with each condition. A patient can have several.

Gary Rivas' patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 71

Patient panel by sex, all payers

  • Women52%
  • Men47%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Gary Frank Rivas wrote 3,843 Medicare Part D claims in 2024

In 2024, Gary Rivas wrote 3,843 Medicare Part D claims for 682 patients. 90% of them were for generic drugs.

Part D claims, 20243,843
Part D patients682

Gary Rivas' Part D claims by kind of drug, 2024

  • Generic3,456 claims90%
  • Brand-name363 claims9%
  • Other24 claims1%

Drug classes CMS tracks in Gary Rivas' Part D claims, 2024

  • Opioids1%57 of 3,843 claims
  • Antibiotics3%131 of 3,843 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data

Gary Frank Rivas offers telehealth to Medicare patients

Gary Rivas accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Gary Rivas as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Sources for Gary Frank Rivas's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Gary Frank Rivas

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Gary Frank Rivas' NPI number?

Gary Frank Rivas' NPI number is 1477895621. It was assigned on March 25, 2013, and it is active in the NPI Registry.

What does Gary Frank Rivas specialize in?

Gary Frank Rivas is a physician assistant in Long Beach, California. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).

Where does Gary Frank Rivas practice?

Gary Rivas practices at 2600 Redondo Avenue, Long Beach, CA 90806. Gary Rivas' primary practice is Optum Surgery Center - Long Beach in Long Beach, California. Dmand AI also links Gary Rivas to 1 group practice or clinic and 1 medical group.

What is Gary Frank Rivas' office phone number?

The practice phone on file for Gary Rivas is (562) 988-7147.

What is Gary Frank Rivas' medical license number?

Gary Rivas holds California license PA61522.

What medical group is Gary Frank Rivas part of?

Gary Rivas is linked to Optum - Downtown Los Angeles. Dmand AI links Gary Rivas to 1 more medical group.

Does Gary Frank Rivas accept Medicare?

Yes. CMS lists Gary Rivas as accepting Medicare assignment.

Does Gary Frank Rivas offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Gary Rivas as offering telehealth services.

How many Medicare patients does Gary Frank Rivas see?

CMS counts 29 Medicare patients who saw Gary Rivas in 2024, with an average age of 72.

How long has Gary Frank Rivas been practicing?

Gary Rivas graduated from medical school in 2022, 4 years ago.

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