Dr. Charles J. Vassallo, MD

  • Oakland, CA
  • Diagnostic radiologist
NPI1578598330PAC ID6204727142
Medicare services, 2017
598
Hospital affiliations
5
Medical groups
5
State license
1
Year NPI issued
2006
Practice address
1411 East 31st Street, Oakland, CA 94602
Practice phone
Call (510) 437-4800
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

Alameda Health System - Highland Hospital

Hospital · Oakland, California

See all 14 affiliations

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Dr. Charles J. Vassallo is a diagnostic radiologist in Oakland, California

Dr. Vassallo practices at Alameda Health System - Highland Hospital in Oakland, California, part of Alameda County.

Dr. Vassallo's NPI, 1578598330, was assigned on July 11, 2006. Dr. Vassallo graduated from Georgetown University School of Medicine in 1976. Dr. Vassallo holds New York license 200230.

NPI and contact details
Medicare PAC ID
6204727142
NPI enumeration date
July 11, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(510) 437-4800
Professional email
Get email
Personal email
Get email
Mobile number
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Sex
Male
Estimated age
76
Medical school graduation
1976

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

Dr. Charles J. Vassallo practices at Alameda Health System - Highland Hospital in Oakland, California

Dr. Vassallo's primary practice is Alameda Health System - Highland Hospital, at 1411 East 31st Street, Oakland, CA 94602 in Alameda County. The practice phone is (510) 437-4800.

Source: Dmand AI Affiliation Data

Dr. Charles J. Vassallo is affiliated with 9 sites of care and 5 medical groups

Dr. Vassallo's primary practice is Alameda Health System - Highland Hospital in Oakland, California, part of Alameda County. Dr. Vassallo is also affiliated with Hartford Hospital. The medical group on file is UC Davis Medical Group. Dmand AI also links Dr. Vassallo to 3 more hospitals, 4 medical groups, 3 group practices and clinics and 1 community health center, each named with a free account. Dr. Vassallo's employer is on file too: a hospital.

See all 14 affiliations for Dr. Vassallo

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

Dmand AI tracks the EHR system at Dr. Charles J. Vassallo's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Vassallo practices, 9 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Alameda Health System - Highland HospitalAvailable with a free account
+8 more sites and 4 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

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Dmand AI maps EHR vendors, IT decision makers and buying committees across Alameda County and 6.2K+ hospitals, with verified contacts in the same login.

Dr. Charles J. Vassallo is one of 4,096 diagnostic radiologists in California

Diagnostic radiology is Dr. Vassallo's primary specialty in the NPI Registry, under taxonomy code 2085R0202X. Dr. Vassallo is licensed in New York.

Specialties and state licenses

  • Diagnostic radiology, New YorkPrimaryLicense 200230 · taxonomy 2085R0202X

Diagnostic radiologists near Dr. Vassallo

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. Charles J. Vassallo billed Medicare for 598 services in 2017

CMS data shows 598 Medicare services from Dr. Vassallo across 15 procedure codes in 2017. Medicare paid $19,048 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2017598
Paid by Medicare$19,048
Procedure codes15

Dr. Vassallo's Medicare services by type, 2016 to 2017

  • 2016
  • 2017
Imaging
2016: 4382017: 59837%

Dr. Vassallo compared with the California median for diagnostic radiologists, 2017

  • Dr. Vassallo
  • California median
Medicare services
598vs 2,28174% below

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

Dr. Vassallo's most billed Medicare procedure codes, 2017

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. Vassallo

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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Vassallo and other diagnostic radiologists in California.

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

Dr. Charles J. Vassallo's patients have a median age of 66

Across all payers, Dmand AI patient panel data puts Dr. Vassallo's median patient age at 66, with 54% women.

Dr. Vassallo's patients across all payers

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

Patient panel by age, all payers

Median age 66

Patient panel by sex, all payers

  • Women54%
  • Men44%

Source: Dmand AI Patient Panel Data

How Dr. Charles J. Vassallo takes part in Medicare

Dr. Vassallo 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. Charles J. Vassallo graduated from Georgetown University School of Medicine

Dr. Vassallo graduated from Georgetown University School of Medicine in 1976.

  1. Medical schoolGeorgetown University School of Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. Charles J. Vassallo'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 Data
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
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. Charles J. Vassallo

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. Charles J. Vassallo's NPI number?

Dr. Charles J. Vassallo's NPI number is 1578598330. It was assigned on July 11, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Charles J. Vassallo?

Dr. Charles J. Vassallo is a diagnostic radiologist in Oakland, California. The primary specialty in the NPI Registry is Diagnostic Radiology Physician (taxonomy code 2085R0202X).

Where does Dr. Charles J. Vassallo practice?

Dr. Vassallo practices at 1411 East 31st Street, Oakland, CA 94602. Dr. Vassallo's primary practice is Alameda Health System - Highland Hospital in Oakland, California, part of Alameda County. Dmand AI also links Dr. Vassallo to 3 hospitals, 4 medical groups, 3 group practices and clinics and 1 community health center.

What is Dr. Charles J. Vassallo's office phone number?

The practice phone on file for Dr. Vassallo is (510) 437-4800.

What is Dr. Charles J. Vassallo's medical license number?

Dr. Vassallo holds New York license 200230.

Which hospitals is Dr. Charles J. Vassallo affiliated with?

Dr. Vassallo practices at Alameda Health System - Highland Hospital in Oakland, California. Dr. Vassallo is also affiliated with Hartford Hospital. Dmand AI links Dr. Vassallo to 3 more hospitals.

What medical group is Dr. Charles J. Vassallo part of?

Dr. Vassallo is linked to UC Davis Medical Group. Dmand AI links Dr. Vassallo to 4 more medical groups.

Does Dr. Charles J. Vassallo accept Medicare?

Yes. CMS data shows Dr. Vassallo billed Medicare for 598 services in 2017, and Dr. Vassallo accepts Medicare assignment.

What services does Dr. Charles J. Vassallo bill to Medicare?

In 2017, Dr. Vassallo's most billed Medicare services were diagnostic imaging (71010), diagnostic imaging (70450) and diagnostic imaging (74177).

Where did Dr. Charles J. Vassallo go to medical school?

Dr. Vassallo graduated from Georgetown University School of Medicine in 1976.

How long has Dr. Charles J. Vassallo been practicing?

Dr. Vassallo graduated from medical school in 1976, 50 years ago.

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