Dr. Matthew W. Rehrer, MD

  • Oakland, CA
  • Emergency medicine physician
NPI1366754319PAC ID6507027802
Medicare services, 2024
23
Medicare patients, 2024
29
Part D claims, 2024
50
Publications
4
Clinical trials
1
Practice address
380 West MacArthur Boulevard, Oakland, CA 94609
Practice phone
Call (510) 251-0121
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

Addiction Medicine & Recovery Services at Oakland Medical Center

Outpatient Addiction Treatment · Oakland, California

See all 3 affiliations

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Dr. Matthew W. Rehrer is an emergency medicine physician in Oakland, California

Dr. Rehrer practices at Addiction Medicine & Recovery Services at Oakland Medical Center in Oakland, California.

Dr. Rehrer's NPI, 1366754319, was assigned on July 7, 2010. Dr. Rehrer graduated from Baylor College Of Medicine in 2008. Dr. Rehrer holds California license A112284.

NPI and contact details
Medicare PAC ID
6507027802
NPI enumeration date
July 7, 2010
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(510) 251-0121
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
44
Medical school graduation
2008

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

Dr. Matthew W. Rehrer practices at Addiction Medicine & Recovery Services at Oakland Medical Center in Oakland, California

Dr. Rehrer's primary practice is Addiction Medicine & Recovery Services at Oakland Medical Center, at 380 West MacArthur Boulevard, Oakland, CA 94609. The practice phone is (510) 251-0121.

  • Addiction Medicine & Recovery Services at Oakland Medical Center
    380 West MacArthur Boulevard, Oakland, CA 94609Phone(510) 251-0121

Source: Dmand AI Affiliation Data

Dr. Matthew W. Rehrer is affiliated with 2 sites of care and 1 medical group

Dr. Rehrer's primary practice is Addiction Medicine & Recovery Services at Oakland Medical Center in Oakland, California. Dr. Rehrer is also affiliated with Oakland Medical Center. The medical group on file is The Permanente Medical Group, Inc.

Addiction Medicine & Recovery Services at Oakland Medical CenterOutpatient Addiction Treatment · Oakland, CaliforniaPrimary
Oakland Medical CenterAcute care hospital, Oakland, CAThe Permanente Medical Group, Inc.Primary care group, Pleasanton, CAParent health systemName with a free account
See all 3 affiliations for Dr. Rehrer

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

Dmand AI tracks the EHR system at Dr. Matthew W. Rehrer's practice

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

EHR by site
SiteEHR vendor and product
Addiction Medicine & Recovery Services at Oakland Medical CenterAvailable with a free account
+1 more affiliated siteAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Matthew W. Rehrer is one of 7,423 emergency medicine physicians in California

Emergency medicine is Dr. Rehrer's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Rehrer is board certified in emergency medicine by the American Board of Emergency Medicine. Dr. Rehrer is licensed in California.

Specialties and state licenses

  • Emergency medicine, CaliforniaPrimaryLicense A112284 · 2010 to 2026 · taxonomy 207P00000X

Emergency medicine physicians near Dr. Rehrer

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. Matthew W. Rehrer billed Medicare for 23 services in 2024

CMS data shows 23 Medicare services from Dr. Rehrer across 1 procedure code in 2024, for 29 Medicare patients. Medicare paid $2,838 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 202423
Medicare patients29
Paid by Medicare$2,838
Procedure codes1

Dr. Rehrer's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 152024: 2353%

Dr. Rehrer compared with the California median for emergency medicine physicians, 2024

  • Dr. Rehrer
  • California median
Medicare services
23vs 26591% below
Medicare patients
29vs 24388% below
Part D claims
25vs 6260% below

Medians across 7,079 emergency medicine physicians in California with Dmand AI profiles that report each measure.

Dr. Rehrer's 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.

See all procedures by Dr. Rehrer

Need commercial claims for Dr. Rehrer?

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Matthew W. Rehrer treated 29 Medicare patients in 2024, average age 70

CMS counts 29 Medicare patients who saw Dr. Rehrer in 2024. The largest group is 65 to 74, with 18 patients. 66% of them have high blood pressure, and 52% have high cholesterol. Their average risk score is 1.81, 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. Rehrer's median patient age at 49, with 61% women.

Medicare patients, 202429
Average age70
Average risk score1.81

Dr. Rehrer's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Rehrer's Medicare patients by sex, 2024

  • Women1345%
  • Men1655%

Chronic conditions among Dr. Rehrer's Medicare patients, 2024

  1. High blood pressure66%
  2. High cholesterol52%
  3. Diabetes38%
  4. Mood disorders38%

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

Dr. Rehrer's patients across all payers

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

Patient panel by age, all payers

Median age 49

Patient panel by sex, all payers

  • Women61%
  • Men38%

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

Dr. Matthew W. Rehrer wrote 50 Medicare Part D claims in 2024

In 2024, Dr. Rehrer wrote 50 Medicare Part D claims for 38 patients. 94% of them were for generic drugs. CMS names the drug for 25 of them, across 2 drugs with 11 or more claims each, at $641 in total drug cost. In 2016, CMS named 67 claims across 5 drugs.

Part D claims, 202450
Drugs named by CMS2
Total drug cost$641
Part D patients38

Dr. Rehrer's Part D claims by kind of drug, 2024

  • Generic47 claims94%
  • Brand-name and other3 claims6%

Dr. Rehrer's most prescribed drugs by claims, 2017

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Part D claims for drugs CMS names, 2016 to 2017

  • 2016
  • 2017
Claims for drugs CMS names
2016: 672017: 2563%

Drugs named by CMS: 2 in 2017, 5 in 2016.

See all prescribing by Dr. Rehrer

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. Matthew W. Rehrer takes part in Medicare

Dr. Rehrer 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)

For MedTech and pharma teams

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Dr. Matthew W. Rehrer has 4 publications on record

Dmand AI links 4 papers to Dr. Rehrer, published from 2011 to 2012. Dr. Rehrer's most frequent co-authors are Arun Daulat Nagdev, MD, Colin M. Feeney, MD and Daniel R. Mantuani, MD.

Papers4
Years published2011 to 2012

Dr. Rehrer's most frequent co-authors

Recent publications by Dr. Rehrer

See all 4 publications and co-authors

See who Dr. Rehrer researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Rehrer works with, so you can find a warm path to the right emergency medicine physicians.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Matthew W. Rehrer has worked on 1 clinical trial

Dmand AI links Dr. Rehrer to 1 clinical trial. Conditions studied include Pulmonary Disease, Chronic Obstructive and Asthma.

Conditions in Dr. Rehrer's trials

  • Pulmonary Disease, Chronic Obstructive
  • Asthma

Recent clinical trials with Dr. Rehrer

Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)

Dr. Matthew W. Rehrer graduated from Baylor College Of Medicine

Dr. Rehrer graduated from Baylor College Of Medicine in 2008.

  1. Medical schoolBaylor College Of Medicine
  2. Board certified in emergency medicineAmerican Board of Emergency Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. Matthew W. Rehrer'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 services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
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 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 percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Clinical trials and co-investigatorsDmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
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 Dr. Matthew W. Rehrer

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. Matthew W. Rehrer's NPI number?

Dr. Matthew W. Rehrer's NPI number is 1366754319. It was assigned on July 7, 2010, and it is active in the NPI Registry.

What kind of doctor is Dr. Matthew W. Rehrer?

Dr. Matthew W. Rehrer is an emergency medicine physician in Oakland, California. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).

Where does Dr. Matthew W. Rehrer practice?

Dr. Rehrer practices at 380 West MacArthur Boulevard, Oakland, CA 94609. Dr. Rehrer's primary practice is Addiction Medicine & Recovery Services at Oakland Medical Center in Oakland, California.

What is Dr. Matthew W. Rehrer's office phone number?

The practice phone on file for Dr. Rehrer is (510) 251-0121.

What is Dr. Matthew W. Rehrer's medical license number?

Dr. Rehrer holds California license A112284.

Which hospitals is Dr. Matthew W. Rehrer affiliated with?

Dr. Rehrer is affiliated with Oakland Medical Center.

What medical group is Dr. Matthew W. Rehrer part of?

Dr. Rehrer is linked to The Permanente Medical Group, Inc.

Does Dr. Matthew W. Rehrer accept Medicare?

Yes. CMS data shows Dr. Rehrer billed Medicare for 23 services in 2024, and Dr. Rehrer accepts Medicare assignment.

How many Medicare patients does Dr. Matthew W. Rehrer see?

CMS counts 29 Medicare patients who saw Dr. Rehrer in 2024, with an average age of 70.

Is Dr. Matthew W. Rehrer board certified?

Yes. Dr. Rehrer is board certified in emergency medicine by the American Board of Emergency Medicine.

Show 6 more questionsShow fewer questions

What services does Dr. Matthew W. Rehrer bill to Medicare?

In 2024, Dr. Rehrer's most billed Medicare services were emergency department visit (99285).

Where did Dr. Matthew W. Rehrer go to medical school?

Dr. Rehrer graduated from Baylor College Of Medicine in 2008.

What drugs does Dr. Matthew W. Rehrer prescribe most?

In 2017 Medicare Part D data, Dr. Rehrer's most prescribed drugs by claims were Atorvastatin Calcium and Losartan Potassium.

How long has Dr. Matthew W. Rehrer been practicing?

Dr. Rehrer graduated from medical school in 2008, 18 years ago.

Does Dr. Matthew W. Rehrer do research?

Dmand AI links 4 publications to Dr. Rehrer, published from 2011 to 2012. Dr. Rehrer has worked on 1 clinical trial.

Who does Dr. Matthew W. Rehrer publish with?

Dr. Rehrer's most frequent co-authors are Arun Daulat Nagdev, MD (2 shared papers), Colin M. Feeney, MD (1 shared paper) and Daniel R. Mantuani, MD (1 shared paper).

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