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Dr. Michael A. Macias, MD
- Medicare services, 2024
- 376
- Medicare patients, 2024
- 285
- Part D claims, 2024
- 112
- Publications
- 3
- MIPS score, 2024
- 93
- Practice address
- 31700 Temecula Pkwy, Temecula, CA 92592
- Practice phone
- Call (951) 331-2200
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Macias' professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Michael A. Macias is an emergency medicine physician in Temecula, California
Dr. Macias practices at Temecula Valley Hospital in Temecula, California, part of Universal Health Services.
Dr. Macias' NPI, 1861836660, was assigned on April 23, 2013. Dr. Macias graduated from Feinberg School of Medicine in 2013. Dr. Macias holds California license A147268.
- NPI
- 1861836660NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8527364330
- NPI enumeration date
- April 23, 2013
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (951) 331-2200
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 39
- Medical school graduation
- 2013
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. Macias practices at Temecula Valley Hospital in Temecula, California
Dr. Macias' primary practice is Temecula Valley Hospital, at 31700 Temecula Pkwy, Temecula, CA 92592 in Riverside County. The practice phone is (951) 331-2200.
- Temecula Valley Hospital31700 Temecula Pkwy, Temecula, CA 92592 · Riverside CountyPhone(951) 331-2200
Source: Dmand AI Affiliation Data
Dr. Michael A. Macias is affiliated with 2 sites of care and 3 medical groups
Dr. Macias' primary practice is Temecula Valley Hospital in Temecula, California, part of Universal Health Services. Dr. Macias is also affiliated with Hillcrest Medical Center. The medical group on file is Temecula Valley Emergency Physicians. Dmand AI also links Dr. Macias to 2 more medical groups, 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. Macias' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Macias practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Temecula Valley Hospital | Available with a free account |
| +1 more site and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Michael A. Macias is one of 7,423 emergency medicine physicians in California
Emergency medicine is Dr. Macias' primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Macias is board certified in emergency medicine by the American Board of Emergency Medicine. Dmand AI has Dr. Macias' licenses on file in 2 states: California and Illinois.
Specialties and state licenses
- Emergency medicine, CaliforniaPrimary
- Illinois license
Emergency medicine physicians near Dr. Macias
Counts of emergency medicine physicians 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. Macias billed Medicare for 376 services in 2024
CMS data shows 376 Medicare services from Dr. Macias across 7 procedure codes in 2024, for 285 Medicare patients. Medicare paid $32,559 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Macias' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2612024: 2683%
- Tests and treatments
- 2023: 1302024: 9428%
- Imaging
- 2023: 202024: 1430%
Dr. Macias compared with the California median for emergency medicine physicians, 2024
- Dr. Macias
- California median
- Medicare services
- 376vs 26542% above
- Medicare patients
- 285vs 24317% above
- Part D claims
- 13vs 6279% below
Medians across 7,079 emergency medicine physicians in California with Dmand AI profiles that report each measure.
Dr. Macias' most billed Medicare procedure codes, 2024
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. Macias and other emergency medicine physicians in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Michael A. Macias treated 285 Medicare patients in 2024, average age 76
CMS counts 285 Medicare patients who saw Dr. Macias in 2024. The largest group is 75 to 84, with 107 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 28% are also on Medicaid. Their average risk score is 1.90, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Macias' median patient age at 65, with 59% women.
Dr. Macias' Medicare patients by age, 2024
Dr. Macias' Medicare patients by sex, 2024
- Women16959%
- Men11641%
Chronic conditions among Dr. Macias' Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis41%
- Diabetes40%
- Ischemic heart disease38%
- Atrial fibrillation33%
- Heart failure33%
- Anxiety32%
Share of Medicare patients with each condition. A patient can have several.
Dr. Macias' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 65
Patient panel by sex, all payers
- Women59%
- Men40%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Michael A. Macias wrote 112 Medicare Part D claims in 2024
In 2024, Dr. Macias wrote 112 Medicare Part D claims for 84 patients. 90% of them were for generic drugs. CMS names the drug for 13 of them, across 1 drug with 11 or more claims each, at $41 in total drug cost. In 2023, CMS named 49 claims across 3 drugs.
Dr. Macias' Part D claims by kind of drug, 2024
- Generic101 claims90%
- Brand-name11 claims10%
Dr. Macias' 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. Macias' Part D claims, 2024
- Opioids19%21 of 112 claims
- Antibiotics32%36 of 112 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: 492024: 1373%
Drugs named by CMS: 1 in 2024, 3 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
Dr. Michael A. Macias scored 93 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 93 out of 100 for Dr. Macias for performance year 2024, reported as part of a group. Dr. Macias accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Macias' MIPS scores, performance year 2024
- 93of 100Final score
- 86.9of 100Quality
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Michael A. Macias has 3 publications on record
Dmand AI links 3 papers to Dr. Macias, published from 2021 to 2024. 2021 was the busiest year, with 2. Dr. Macias' most frequent co-authors are Colleen J. Campbell, MD, Lachlan Driver, MD and Nicole M. Duggan, MD.
Dr. Macias' most frequent co-authors
- Colleen J. Campbell, MD1 shared paper
- Lachlan Driver, MD1 shared paper
- Nicole M. Duggan, MD1 shared paper
Recent publications by Dr. Macias
See who Dr. Macias researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Macias works with, so you can find a warm path to the right emergency medicine physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Michael A. Macias received $2,131 in industry payments from 2018 to 2020
CMS Open Payments shows 6 general payments to Dr. Macias from 5 drug and device companies from 2018 to 2020. Consulting fees make up the largest share, 95% of the total. Butterfly Network, Inc. paid the most, $2,084.
General payments to Dr. Macias by program year, 2018 to 2020
General payments to Dr. Macias by kind, 2018 to 2020
- Consulting fees$2,02895%
- Food and beverage$1035%
Companies that paid Dr. Macias the most, 2018 to 2020
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Michael A. Macias has 1 award and honors on record
Dmand AI lists 1 award for Dr. Macias, most recently Innovation Award in 2018.
Awards and honors for Dr. Macias
- 2018
- Innovation Award
Source: Dmand AI Professional Profile Data
Dr. Michael A. Macias graduated from Feinberg School of Medicine
Dr. Macias graduated from Feinberg School of Medicine in 2013. Dr. Macias is a member of ACEP.
- Medical school
- Board certified in emergency medicine
Source: Dmand AI Professional Profile Data
Dr. Michael A. Macias accepts plans from 5 insurance carriers
Dr. Macias is in network with 5 carriers, including Molina, CMS Medicare and KY State Medicaid. Medicaid plans come from the most carriers, 3. Check the plan with the practice before a visit.
- Molina
- CMS Medicare
- KY State Medicaid
- RI State Medicaid
- WI State Medicaid
Plan types Dr. Macias accepts, by number of carriers
- Medicaid3
- Medicare2
- HMO1
Source: Dmand AI Insurance Network Data
Sources for Dr. Michael A. Macias'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 DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| 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)Clinician Public Reporting: Overall MIPS Performance (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 |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| 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. Macias
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. Macias' NPI number?
Dr. Michael A. Macias' NPI number is 1861836660. It was assigned on April 23, 2013, and it is active in the NPI Registry.
What kind of doctor is Dr. Michael A. Macias?
Dr. Michael A. Macias is an emergency medicine physician in Temecula, California. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Michael A. Macias practice?
Dr. Macias practices at 31700 Temecula Pkwy, Temecula, CA 92592. Dr. Macias' primary practice is Temecula Valley Hospital in Temecula, California, part of Universal Health Services. Dmand AI also links Dr. Macias to 2 medical groups.
What is Dr. Michael A. Macias' office phone number?
The practice phone on file for Dr. Macias is (951) 331-2200.
What is Dr. Michael A. Macias' medical license number?
Dr. Macias holds California license A147268, one of the licenses on file in 2 states.
Which states has Dr. Michael A. Macias been licensed in?
Dmand AI has state licenses on file for Dr. Macias in California (2017 to 2027) and Illinois (2016 to 2017).
Which hospitals is Dr. Michael A. Macias affiliated with?
Dr. Macias practices at Temecula Valley Hospital in Temecula, California. Dr. Macias is also affiliated with Hillcrest Medical Center.
What medical group is Dr. Michael A. Macias part of?
Dr. Macias is linked to Temecula Valley Emergency Physicians. Dmand AI links Dr. Macias to 2 more medical groups.
Does Dr. Michael A. Macias accept Medicare?
Yes. CMS data shows Dr. Macias billed Medicare for 376 services in 2024, and Dr. Macias accepts Medicare assignment.
What is Dr. Michael A. Macias' MIPS score?
Dr. Macias' MIPS final score for performance year 2024 is 93 out of 100, reported as part of a group.
Show 10 more questionsShow fewer questions
How many Medicare patients does Dr. Michael A. Macias see?
CMS counts 285 Medicare patients who saw Dr. Macias in 2024, with an average age of 76.
Is Dr. Michael A. Macias board certified?
Yes. Dr. Macias is board certified in emergency medicine by the American Board of Emergency Medicine.
What services does Dr. Michael A. Macias bill to Medicare?
In 2024, Dr. Macias' most billed Medicare services were emergency department visit (99285), emergency department visit (99284) and heart test or procedure (93010).
Where did Dr. Michael A. Macias go to medical school?
Dr. Macias graduated from Feinberg School of Medicine in 2013.
What drugs does Dr. Michael A. Macias prescribe most?
In 2024 Medicare Part D data, Dr. Macias' most prescribed drugs by claims were Hydrocodone-Acetaminophen.
Has Dr. Michael A. Macias received payments from drug or device companies?
CMS Open Payments shows $2,131 in general payments to Dr. Macias from 5 companies from 2018 to 2020. The largest total came from Butterfly Network, Inc.
How long has Dr. Michael A. Macias been practicing?
Dr. Macias graduated from medical school in 2013, 13 years ago.
Does Dr. Michael A. Macias do research?
Dmand AI links 3 publications to Dr. Macias, published from 2021 to 2024.
Who does Dr. Michael A. Macias publish with?
Dr. Macias' most frequent co-authors are Colleen J. Campbell, MD (1 shared paper), Lachlan Driver, MD (1 shared paper) and Nicole M. Duggan, MD (1 shared paper).
What insurance does Dr. Michael A. Macias accept?
Dr. Macias is in network with 5 carriers, including Molina, CMS Medicare and KY State Medicaid. Medicaid plans come from the most carriers, 3. Check the plan with the practice before a visit.
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