Dr. Ralph C. Wang, MD

  • San Francisco, CA
  • Emergency medicine physician
NPI1497724132PAC ID0244229565
Medicare services, 2024
195
Medicare patients, 2024
229
Part D claims, 2024
43
Publications
86
Clinical trials
2
Practice address
505 Parnassus Ave, Box 0296, San Francisco, CA 94143
Practice phone
Call (415) 353-2733
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

UCSF Helen Diller Medical Center at Parnassus Heights

Hospital · San Francisco, California

See all 6 affiliations

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Dr. Ralph C. Wang is an emergency medicine physician in San Francisco, California

Dr. Wang practices at UCSF Helen Diller Medical Center at Parnassus Heights in San Francisco, California, part of University of California Health.

Dr. Wang's NPI, 1497724132, was assigned on March 15, 2006. Dr. Wang graduated from Tufts University School Of Medicine in 2000. Dr. Wang holds California license A78496.

NPI and contact details
Medicare PAC ID
0244229565
NPI enumeration date
March 15, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(415) 353-2733
Professional email
Get email
Personal email
Get email
Mobile number
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Sex
Male
Estimated age
52
Medical school graduation
2000

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

Dr. Ralph C. Wang practices at UCSF Helen Diller Medical Center at Parnassus Heights in San Francisco, California

Dr. Wang's primary practice is UCSF Helen Diller Medical Center at Parnassus Heights, at 505 Parnassus Ave, Box 0296, San Francisco, CA 94143 in San Francisco County. The practice phone is (415) 353-2733.

Source: Dmand AI Affiliation Data

Dr. Ralph C. Wang is affiliated with 2 sites of care and 4 medical groups

Dr. Wang's primary practice is UCSF Helen Diller Medical Center at Parnassus Heights in San Francisco, California, part of University of California Health. Dr. Wang is also affiliated with Alameda Health System - Highland Hospital. The medical group on file is UCSF Pediatrics. Dmand AI also links Dr. Wang to 3 more medical groups, each named with a free account.

See all 6 affiliations for Dr. Wang

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

Dmand AI tracks the EHR system at Dr. Ralph C. Wang's practice

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

EHR by site
SiteEHR vendor and product
UCSF Helen Diller Medical Center at Parnassus HeightsAvailable with a free account
+1 more site and 3 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Ralph C. Wang is one of 7,423 emergency medicine physicians in California

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

Specialties and state licenses

  • Emergency medicine, CaliforniaPrimaryLicense A78496 · 2002 to 2027 · taxonomy 207P00000X

Emergency medicine physicians near Dr. Wang

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. Ralph C. Wang billed Medicare for 195 services in 2024

CMS data shows 195 Medicare services from Dr. Wang across 3 procedure codes in 2024, for 229 Medicare patients. Medicare paid $24,812 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024195
Medicare patients229
Paid by Medicare$24,812
Procedure codes3

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

  • 2023
  • 2024
Office and hospital visits
2023: 2432024: 19520%

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

  • Dr. Wang
  • California median
Medicare services
195vs 26526% below
Medicare patients
229vs 2436% below

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

Dr. Wang'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. Wang

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

Dr. Ralph C. Wang treated 229 Medicare patients in 2024, average age 74

CMS counts 229 Medicare patients who saw Dr. Wang in 2024. The largest group is 65 to 74, with 80 patients. 75% of them have high blood pressure, and 71% have high cholesterol. 53% are also on Medicaid. Their average risk score is 2.57, 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. Wang's median patient age at 60, with 53% women.

Medicare patients, 2024229
Average age74
Average risk score2.57
Also on Medicaid53%

Dr. Wang's Medicare patients by age, 2024

Dr. Wang's Medicare patients by sex, 2024

  • Women12153%
  • Men10847%

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

  1. High blood pressure75%
  2. High cholesterol71%
  3. Arthritis47%
  4. Diabetes42%
  5. Chronic kidney disease40%
  6. Mood disorders38%
  7. Ischemic heart disease32%
  8. Anxiety31%

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

Dr. Wang's patients across all payers

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

Patient panel by age, all payers

Median age 60

Patient panel by sex, all payers

  • Women53%
  • Men43%

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

Dr. Ralph C. Wang wrote 43 Medicare Part D claims in 2024

In 2024, Dr. Wang wrote 43 Medicare Part D claims for 30 patients. 81% of them were for generic drugs.

Part D claims, 202443
Part D patients30

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

  • Generic35 claims81%
  • Brand-name and other8 claims19%

Drug classes CMS tracks in Dr. Wang's Part D claims, 2024

  • Antibiotics37%16 of 43 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

Dr. Ralph C. Wang scored 85 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 85 out of 100 for Dr. Wang for performance year 2024, reported as part of a group. Dr. Wang accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Wang as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Dr. Wang's MIPS scores, performance year 2024

  • 85of 100Final score
  • 81.1of 100Quality
  • 40of 100Improvement Activities
  • 71of 100Cost

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Removal of nail tissue: 1 to 10 procedures (CMS shows small counts as a range)

Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)

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Dr. Ralph C. Wang has 86 publications on record

Dmand AI links 86 papers to Dr. Wang, published from 2006 to 2024. 2020 was the busiest year, with 11. The most frequent topics are Emergency Service, Hospital, Ultrasonography and Emergency Medical Services. Dr. Wang has published most often in Am J Emerg Med. Dr. Wang's most frequent co-authors are Jahan Fahimi, MD, Jeanne Ann Noble, MD and Maria Raven, MD.

Papers86
Years published2006 to 2024

Dr. Wang's papers by year, 2014 to 2024

Topics Dr. Wang writes about most

  • Emergency Service, Hospital
  • Ultrasonography
  • Emergency Medical Services
  • Tomography, X-Ray Computed
  • Urolithiasis
  • Cardiopulmonary Resuscitation
  • COVID-19
  • Kidney Calculi

Dr. Wang's most frequent co-authors

Recent publications by Dr. Wang

See all 86 publications and co-authors

See who Dr. Wang researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Wang 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. Ralph C. Wang has worked on 2 clinical trials

Dmand AI links Dr. Wang to 2 clinical trials. 1 is still active or recruiting. Conditions studied include Emergencies, Fatigue Syndrome, Chronic and Alcoholism.

Conditions in Dr. Wang's trials

  • Emergencies
  • Fatigue Syndrome, Chronic
  • Alcoholism
  • Encephalomyelitis

Investigators on the most trials with Dr. Wang

Recent clinical trials with Dr. Wang

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

Dr. Ralph C. Wang has 5 awards and honors on record

Dmand AI lists 5 awards for Dr. Wang, most recently Emergency Medicine Quarterly Bedside Teaching Award in 2010.

Awards and honors for Dr. Wang

  1. 2010
    • Emergency Medicine Quarterly Bedside Teaching Award
  2. 2008
    • Nominated for the School of Medicine Distinction in Teaching Award
  3. 2004
    • Annual Backbone Award
  4. 2003
    • Pat Connell Award
  5. 1999
    • Alpha Omega Alpha National Honor Medical Society

Source: Dmand AI Professional Profile Data

Dr. Ralph C. Wang graduated from Tufts University School Of Medicine

Dr. Wang graduated from Tufts University School Of Medicine in 2000.

  1. Medical schoolTufts University School Of Medicine
  2. Board certified in emergency medicineAmerican Board of Emergency Medicine

Source: Dmand AI Professional Profile Data

Dr. Ralph C. Wang accepts plans from 3 insurance carriers

Dr. Wang is in network with 3 carriers, including United Healthcare, Blue Cross and Blue Shield of Kansas City and CMS Medicare. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.

  • United Healthcare
  • Blue Cross and Blue Shield of Kansas City
  • CMS Medicare

Plan types Dr. Wang accepts, by number of carriers

  1. EPO1
  2. HMO1
  3. Medicare1
  4. POS1

Source: Dmand AI Insurance Network Data

Sources for Dr. Ralph C. Wang'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 (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (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)
Awards and committee rolesDmand AI Professional Profile Data
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. Ralph C. Wang

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. Ralph C. Wang's NPI number?

Dr. Ralph C. Wang's NPI number is 1497724132. It was assigned on March 15, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Ralph C. Wang?

Dr. Ralph C. Wang is an emergency medicine physician in San Francisco, California. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).

Where does Dr. Ralph C. Wang practice?

Dr. Wang practices at 505 Parnassus Ave, Box 0296, San Francisco, CA 94143. Dr. Wang's primary practice is UCSF Helen Diller Medical Center at Parnassus Heights in San Francisco, California, part of University of California Health. Dmand AI also links Dr. Wang to 3 medical groups.

What is Dr. Ralph C. Wang's office phone number?

The practice phone on file for Dr. Wang is (415) 353-2733.

What is Dr. Ralph C. Wang's medical license number?

Dr. Wang holds California license A78496.

Which hospitals is Dr. Ralph C. Wang affiliated with?

Dr. Wang practices at UCSF Helen Diller Medical Center at Parnassus Heights in San Francisco, California. Dr. Wang is also affiliated with Alameda Health System - Highland Hospital.

What medical group is Dr. Ralph C. Wang part of?

Dr. Wang is linked to UCSF Pediatrics. Dmand AI links Dr. Wang to 3 more medical groups.

Does Dr. Ralph C. Wang accept Medicare?

Yes. CMS data shows Dr. Wang billed Medicare for 195 services in 2024, and Dr. Wang accepts Medicare assignment.

Does Dr. Ralph C. Wang offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Wang as offering telehealth services.

What is Dr. Ralph C. Wang's MIPS score?

Dr. Wang's MIPS final score for performance year 2024 is 85 out of 100, reported as part of a group.

Show 8 more questionsShow fewer questions

How many Medicare patients does Dr. Ralph C. Wang see?

CMS counts 229 Medicare patients who saw Dr. Wang in 2024, with an average age of 74.

Is Dr. Ralph C. Wang board certified?

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

What services does Dr. Ralph C. Wang bill to Medicare?

In 2024, Dr. Wang's most billed Medicare services were emergency department visit (99285), emergency department visit (99284) and critical care (99291).

Where did Dr. Ralph C. Wang go to medical school?

Dr. Wang graduated from Tufts University School Of Medicine in 2000.

How long has Dr. Ralph C. Wang been practicing?

Dr. Wang graduated from medical school in 2000, 26 years ago.

Does Dr. Ralph C. Wang do research?

Dmand AI links 86 publications to Dr. Wang, published from 2006 to 2024. Dr. Wang has worked on 2 clinical trials.

Who does Dr. Ralph C. Wang publish with?

Dr. Wang's most frequent co-authors are Jahan Fahimi, MD (7 shared papers), Jeanne Ann Noble, MD (6 shared papers) and Maria Raven, MD (6 shared papers).

What insurance does Dr. Ralph C. Wang accept?

Dr. Wang is in network with 3 carriers, including United Healthcare, Blue Cross and Blue Shield of Kansas City and CMS Medicare. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.

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