Dr. Robert L. Wirth, MD

  • Greenbrae, CA
  • Diagnostic radiologist
NPI1396786547PAC ID8123042355
Medicare services, 2024
3,684
Medicare patients, 2024
2,441
Hospital affiliations
3
Medical groups
5
Insurance carriers
1
Practice address
250 Bon Air Road, Greenbrae, CA 94904
Practice phone
Call (415) 925-7900
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

MarinHealth Medical Center

Hospital · Greenbrae, California

See all 8 affiliations

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Dr. Robert L. Wirth is a diagnostic radiologist in Greenbrae, California

Dr. Wirth practices at MarinHealth Medical Center in Greenbrae, California, part of Marin Healthcare District.

Dr. Wirth's NPI, 1396786547, was assigned on June 9, 2006. Dr. Wirth graduated from Vagelos College of Physicians and Surgeons in 1984. Dr. Wirth holds California license G55313.

NPI and contact details
Medicare PAC ID
8123042355
NPI enumeration date
June 9, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(415) 925-7900
Professional email
Get email
Personal email
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Mobile number
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Sex
Male
Estimated age
68
Medical school graduation
1984

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

Dr. Robert L. Wirth practices at MarinHealth Medical Center in Greenbrae, California

Dr. Wirth's primary practice is MarinHealth Medical Center, at 250 Bon Air Road, Greenbrae, CA 94904 in Marin County. The practice phone is (415) 925-7900.

Source: Dmand AI Affiliation Data

Dr. Robert L. Wirth is affiliated with 3 sites of care and 5 medical groups

Dr. Wirth's primary practice is MarinHealth Medical Center in Greenbrae, California, part of Marin Healthcare District. Dr. Wirth is also affiliated with UCSF Helen Diller Medical Center at Parnassus Heights. The medical group on file is SGMF Radiology. Dmand AI also links Dr. Wirth to 1 more hospital and 4 medical groups, each named with a free account.

See all 8 affiliations for Dr. Wirth

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

Dmand AI tracks the EHR system at Dr. Robert L. Wirth's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Wirth practices, 3 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
MarinHealth Medical CenterAvailable with a free account
+2 more sites and 4 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Robert L. Wirth is one of 4,096 diagnostic radiologists in California

Diagnostic radiology is Dr. Wirth's primary specialty in the NPI Registry, under taxonomy code 2085R0202X. Dr. Wirth is board certified in diagnostic radiology by the American Board of Radiology. Dr. Wirth is licensed in California.

Specialties and state licenses

  • Diagnostic radiology, CaliforniaPrimaryLicense G55313 · 1985 to 2027 · taxonomy 2085R0202X

Diagnostic radiologists near Dr. Wirth

Counts of diagnostic radiologists 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. Robert L. Wirth billed Medicare for 3,684 services in 2024

CMS data shows 3,684 Medicare services from Dr. Wirth across 46 procedure codes in 2024, for 2,441 Medicare patients. Medicare paid $139,027 for them.

Medicare services, 20243,684
Medicare patients2,441
Paid by Medicare$139,027
Procedure codes46

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

  • 2023
  • 2024
Imaging
2023: 4,3462024: 3,57118%
Tests and treatments
2023: 1402024: 11319%
Other services
2023: 262024: 0100%

Where Dr. Wirth's Medicare services took place, 2024

  • In an office1213%
  • In a facility3,56397%

Dr. Wirth compared with the California median for diagnostic radiologists, 2024

  • Dr. Wirth
  • California median
Medicare services
3,684vs 2,28162% above
Medicare patients
2,441vs 1,34681% above

Medians across 3,734 diagnostic radiologists in California with Dmand AI profiles that report each measure.

Dr. Wirth'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. Wirth

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

Dr. Robert L. Wirth treated 2,441 Medicare patients in 2024, average age 77

CMS counts 2,441 Medicare patients who saw Dr. Wirth in 2024. The largest group is 75 to 84, with 1,039 patients. 75% of them have high cholesterol, and 73% have high blood pressure. 19% are also on Medicaid. Their average risk score is 1.52, 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. Wirth's median patient age at 54, with 56% women.

Medicare patients, 20242,441
Average age77
Average risk score1.52
Also on Medicaid19%

Dr. Wirth's Medicare patients by age, 2024

Dr. Wirth's Medicare patients by sex, 2024

  • Women1,34255%
  • Men1,09945%

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

  1. High cholesterol75%
  2. High blood pressure73%
  3. Arthritis54%
  4. Ischemic heart disease35%
  5. Mood disorders31%
  6. Anxiety30%
  7. Atrial fibrillation28%
  8. Depression28%

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

Dr. Wirth's patients across all payers

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

Patient panel by age, all payers

Median age 54

Patient panel by sex, all payers

  • Women56%
  • Men41%

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

How Dr. Robert L. Wirth takes part in Medicare

Dr. Wirth 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. Robert L. Wirth graduated from Vagelos College of Physicians and Surgeons

Dr. Wirth graduated from Vagelos College of Physicians and Surgeons in 1984.

  1. Medical schoolVagelos College of Physicians and Surgeons
  2. Board certified in diagnostic radiologyAmerican Board of Radiology

Source: Dmand AI Professional Profile Data

Dr. Robert L. Wirth accepts plans from 1 insurance carrier

Dr. Wirth is in network with 1 carrier, including CMS Medicare. Medicare plans come from the most carriers, 1. Check the plan with the practice before a visit.

  • CMS Medicare

Source: Dmand AI Insurance Network Data

Sources for Dr. Robert L. Wirth'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)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network 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. Robert L. Wirth

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. Robert L. Wirth's NPI number?

Dr. Robert L. Wirth's NPI number is 1396786547. It was assigned on June 9, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Robert L. Wirth?

Dr. Robert L. Wirth is a diagnostic radiologist in Greenbrae, California. The primary specialty in the NPI Registry is Diagnostic Radiology Physician (taxonomy code 2085R0202X).

Where does Dr. Robert L. Wirth practice?

Dr. Wirth practices at 250 Bon Air Road, Greenbrae, CA 94904. Dr. Wirth's primary practice is MarinHealth Medical Center in Greenbrae, California, part of Marin Healthcare District. Dmand AI also links Dr. Wirth to 1 hospital and 4 medical groups.

What is Dr. Robert L. Wirth's office phone number?

The practice phone on file for Dr. Wirth is (415) 925-7900.

What is Dr. Robert L. Wirth's medical license number?

Dr. Wirth holds California license G55313.

Which hospitals is Dr. Robert L. Wirth affiliated with?

Dr. Wirth practices at MarinHealth Medical Center in Greenbrae, California. Dr. Wirth is also affiliated with UCSF Helen Diller Medical Center at Parnassus Heights. Dmand AI links Dr. Wirth to 1 more hospital.

What medical group is Dr. Robert L. Wirth part of?

Dr. Wirth is linked to SGMF Radiology. Dmand AI links Dr. Wirth to 4 more medical groups.

Does Dr. Robert L. Wirth accept Medicare?

Yes. CMS data shows Dr. Wirth billed Medicare for 3,684 services in 2024, and Dr. Wirth accepts Medicare assignment.

How many Medicare patients does Dr. Robert L. Wirth see?

CMS counts 2,441 Medicare patients who saw Dr. Wirth in 2024, with an average age of 77.

Is Dr. Robert L. Wirth board certified?

Yes. Dr. Wirth is board certified in diagnostic radiology by the American Board of Radiology.

Show 4 more questionsShow fewer questions

What services does Dr. Robert L. Wirth bill to Medicare?

In 2024, Dr. Wirth's most billed Medicare services were diagnostic imaging (71045), diagnostic imaging (74177) and diagnostic imaging (70450).

Where did Dr. Robert L. Wirth go to medical school?

Dr. Wirth graduated from Vagelos College of Physicians and Surgeons in 1984.

How long has Dr. Robert L. Wirth been practicing?

Dr. Wirth graduated from medical school in 1984, 42 years ago.

What insurance does Dr. Robert L. Wirth accept?

Dr. Wirth is in network with 1 carrier, including CMS Medicare. Medicare plans come from the most carriers, 1. Check the plan with the practice before a visit.

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