Dr. Michael A. Raya, MD
- Medicare services, 2022
- 588
- Part D claims, 2024
- 409
- Publications
- 1
- Hospital affiliations
- 1
- Medical groups
- 2
- Practice address
- 2801 Atlantic Ave, Long Beach, CA 90806
- Practice phone
- Call (562) 933-2000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Raya's professional email, personal email and mobile number
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Dr. Michael A. Raya is an internist in Long Beach, California
Dr. Raya practices at Long Beach Medical Center in Long Beach, California, part of MemorialCare Health System.
Dr. Raya's NPI, 1003394370, was assigned on July 30, 2018. Dr. Raya holds California license A165548.
- NPI
- 1003394370NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9335464171
- NPI enumeration date
- July 30, 2018
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (562) 933-2000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 34
- Medical school graduation
- 2018
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Michael A. Raya practices at Long Beach Medical Center in Long Beach, California
Dr. Raya's primary practice is Long Beach Medical Center, at 2801 Atlantic Ave, Long Beach, CA 90806 in Los Angeles County. The practice phone is (562) 933-2000.
- Long Beach Medical Center2801 Atlantic Ave, Long Beach, CA 90806 · Los Angeles CountyPhone(562) 933-2000
Source: Dmand AI Affiliation Data
Dr. Michael A. Raya is affiliated with 4 sites of care and 2 medical groups
Dr. Raya's primary practice is Long Beach Medical Center in Long Beach, California, part of MemorialCare Health System. The medical group on file is Optum - Downtown Los Angeles. Dmand AI also links Dr. Raya to 2 more hospices, 1 therapy and rehab clinic and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Michael A. Raya's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Raya practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Long Beach Medical Center | Available with a free account |
| +3 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Michael A. Raya is one of 16,751 internists in California
Internal medicine is Dr. Raya's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Raya is licensed in California.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
Internists near Dr. Raya
Counts of internists 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
Dr. Michael A. Raya billed Medicare for 588 services in 2022
CMS data shows 588 Medicare services from Dr. Raya across 4 procedure codes in 2022. Medicare paid $88,881 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Raya's Medicare services by type, 2021 to 2022
- 2021
- 2022
- Office and hospital visits
- 2021: 2302022: 588156%
Dr. Raya compared with the California median for internists, 2022
- Dr. Raya
- California median
- Medicare services
- 588vs 36163% above
- Part D claims
- 145vs 42166% below
Medians across 15,815 internists in California with Dmand AI profiles that report each measure.
Dr. Raya's most billed Medicare procedure codes, 2022
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Raya and other internists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Michael A. Raya's patients have a median age of 73
Across all payers, Dmand AI patient panel data puts Dr. Raya's median patient age at 73, with 52% women.
Dr. Raya's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 73
Patient panel by sex, all payers
- Women52%
- Men47%
Source: Dmand AI Patient Panel Data
Dr. Michael A. Raya wrote 409 Medicare Part D claims in 2024
In 2024, Dr. Raya wrote 409 Medicare Part D claims for 159 patients. 83% of them were for generic drugs. CMS names the drug for 145 of them, across 9 drugs with 11 or more claims each, at $14,755 in total drug cost. In 2023, CMS named 103 claims across 7 drugs.
Dr. Raya's Part D claims by kind of drug, 2024
- Generic341 claims83%
- Brand-name and other68 claims17%
Dr. Raya's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Raya's Part D claims, 2024
- Opioids7%27 of 409 claims
- Antibiotics14%56 of 409 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1032024: 14541%
Drugs named by CMS: 9 in 2024, 7 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. Michael A. Raya takes part in Medicare
Dr. Raya accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Michael A. Raya has 1 publication on record
Dmand AI links 1 paper to Dr. Raya in 2015. Dr. Raya's most frequent co-author is Nahidh W. Hasaniya, MD, PhD.
Dr. Raya's most frequent co-authors
Recent publications by Dr. Raya
See who Dr. Raya researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Raya works with, so you can find a warm path to the right internists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Sources for Dr. Michael A. Raya's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Michael A. Raya
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Michael A. Raya's NPI number?
Dr. Michael A. Raya's NPI number is 1003394370. It was assigned on July 30, 2018, and it is active in the NPI Registry.
What kind of doctor is Dr. Michael A. Raya?
Dr. Michael A. Raya is an internist in Long Beach, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Michael A. Raya practice?
Dr. Raya practices at 2801 Atlantic Ave, Long Beach, CA 90806. Dr. Raya's primary practice is Long Beach Medical Center in Long Beach, California, part of MemorialCare Health System. Dmand AI also links Dr. Raya to 2 hospices, 1 therapy and rehab clinic and 1 medical group.
What is Dr. Michael A. Raya's office phone number?
The practice phone on file for Dr. Raya is (562) 933-2000.
What is Dr. Michael A. Raya's medical license number?
Dr. Raya holds California license A165548.
Which hospitals is Dr. Michael A. Raya affiliated with?
Dr. Raya practices at Long Beach Medical Center in Long Beach, California.
What medical group is Dr. Michael A. Raya part of?
Dr. Raya is linked to Optum - Downtown Los Angeles. Dmand AI links Dr. Raya to 1 more medical group.
Does Dr. Michael A. Raya accept Medicare?
Yes. CMS data shows Dr. Raya billed Medicare for 588 services in 2022, and Dr. Raya accepts Medicare assignment.
What services does Dr. Michael A. Raya bill to Medicare?
In 2022, Dr. Raya's most billed Medicare services were hospital inpatient care (99223), medical service (99220) and hospital inpatient care (99222).
What drugs does Dr. Michael A. Raya prescribe most?
In 2024 Medicare Part D data, Dr. Raya's most prescribed drugs by claims were Atorvastatin Calcium, Prednisone and Eliquis.
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How long has Dr. Michael A. Raya been practicing?
Dr. Raya graduated from medical school in 2018, 8 years ago.
Does Dr. Michael A. Raya do research?
Dmand AI links 1 publication to Dr. Raya.
Who does Dr. Michael A. Raya publish with?
Dr. Raya's most frequent co-authors are Nahidh W. Hasaniya, MD, PhD (1 shared paper).
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