Dr. Christopher John Dionisio Mangahas, MD
- Medicare services, 2024
- 1,290
- Medicare patients, 2024
- 386
- Part D claims, 2024
- 373
- Hospital affiliations
- 2
- Industry payments
- $19
- Practice address
- 363 Highland Avenue, Fall River, MA 02720
- Practice phone
- Call (508) 679-3131
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Mangahas' 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. Christopher John Dionisio Mangahas is a hospitalist in Fall River, Massachusetts
Dr. Mangahas practices at Charlton Memorial Hospital in Fall River, Massachusetts, part of Southcoast Health System.
Dr. Mangahas' NPI, 1225324882, was assigned on June 22, 2011. Dr. Mangahas holds Massachusetts license 257896.
- NPI
- 1225324882NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9931326071
- NPI enumeration date
- June 22, 2011
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (508) 679-3131
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 42
- Medical school graduation
- 2010
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Christopher John Dionisio Mangahas practices at Charlton Memorial Hospital in Fall River, Massachusetts
Dr. Mangahas' primary practice is Charlton Memorial Hospital, at 363 Highland Avenue, Fall River, MA 02720 in Bristol County. The practice phone is (508) 679-3131.
- Charlton Memorial Hospital363 Highland Avenue, Fall River, MA 02720 · Bristol CountyPhone(508) 679-3131
Source: Dmand AI Affiliation Data
Dr. Christopher John Dionisio Mangahas is affiliated with 3 sites of care and 2 medical groups
Dr. Mangahas' primary practice is Charlton Memorial Hospital in Fall River, Massachusetts, part of Southcoast Health System. The medical group on file is Southcoast Health. Dmand AI also links Dr. Mangahas to 1 more hospital, 1 hospice and 1 medical group, 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. Christopher John Dionisio Mangahas' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Mangahas practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Charlton Memorial Hospital | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dmand AI maps EHR vendors, IT decision makers and buying committees across Southcoast Health System and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Christopher John Dionisio Mangahas is one of 502 hospitalists in Massachusetts
Hospitalist is Dr. Mangahas' primary specialty in the NPI Registry, under taxonomy code 208M00000X. Dmand AI has Dr. Mangahas' licenses on file in 2 states: Massachusetts and Rhode Island.
Specialties and state licenses
- Hospitalist, MassachusettsPrimary
- Internal medicine, Rhode Island
Hospitalists near Dr. Mangahas
Counts of hospitalists 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. Christopher John Dionisio Mangahas billed Medicare for 1,290 services in 2024
CMS data shows 1,290 Medicare services from Dr. Mangahas across 7 procedure codes in 2024, for 386 Medicare patients. Medicare paid $95,422 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Mangahas' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1,0842024: 1,29019%
Dr. Mangahas compared with the Massachusetts median for hospitalists, 2024
- Dr. Mangahas
- Massachusetts median
- Medicare services
- 1,290vs 4642.8 times
- Medicare patients
- 386vs 25353% above
- Part D claims
- 130vs 652.0 times
Medians across 477 hospitalists in Massachusetts with Dmand AI profiles that report each measure.
Dr. Mangahas' 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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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Christopher John Dionisio Mangahas treated 386 Medicare patients in 2024, average age 77
CMS counts 386 Medicare patients who saw Dr. Mangahas in 2024. The largest group is 75 to 84, with 146 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 35% are also on Medicaid. Their average risk score is 2.49, 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. Mangahas' median patient age at 71, with 46% women.
Dr. Mangahas' Medicare patients by age, 2024
Dr. Mangahas' Medicare patients by sex, 2024
- Women20252%
- Men18448%
Chronic conditions among Dr. Mangahas' Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis58%
- Ischemic heart disease56%
- Anxiety55%
- Heart failure55%
- Chronic kidney disease54%
- Mood disorders54%
Share of Medicare patients with each condition. A patient can have several.
Dr. Mangahas' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 71
Patient panel by sex, all payers
- Women46%
- Men53%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Christopher John Dionisio Mangahas wrote 373 Medicare Part D claims in 2024
In 2024, Dr. Mangahas wrote 373 Medicare Part D claims for 177 patients. 83% of them were for generic drugs. CMS names the drug for 130 of them, across 8 drugs with 11 or more claims each, at $11,176 in total drug cost. In 2023, CMS named 162 claims across 9 drugs.
Dr. Mangahas' Part D claims by kind of drug, 2024
- Generic311 claims83%
- Brand-name and other62 claims17%
Dr. Mangahas' 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. Mangahas' Part D claims, 2024
- Opioids3%11 of 373 claims
- Antibiotics24%89 of 373 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: 1622024: 13020%
Drugs named by CMS: 8 in 2024, 9 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. Christopher John Dionisio Mangahas offers telehealth to Medicare patients
Dr. Mangahas accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Mangahas as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Christopher John Dionisio Mangahas received $19 in industry payments in 2016
CMS Open Payments shows 1 general payment to Dr. Mangahas from 1 drug or device company in 2016. Food and beverage make up the largest share, 100% of the total. Mylan Inc. paid the most, $19.
Companies that paid Dr. Mangahas the most, 2016 to 2016
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Christopher John Dionisio Mangahas'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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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. Christopher John Dionisio Mangahas
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. Christopher John Dionisio Mangahas' NPI number?
Dr. Christopher John Dionisio Mangahas' NPI number is 1225324882. It was assigned on June 22, 2011, and it is active in the NPI Registry.
What kind of doctor is Dr. Christopher John Dionisio Mangahas?
Dr. Christopher John Dionisio Mangahas is a hospitalist in Fall River, Massachusetts. The primary specialty in the NPI Registry is Hospitalist Physician (taxonomy code 208M00000X).
Where does Dr. Christopher John Dionisio Mangahas practice?
Dr. Mangahas practices at 363 Highland Avenue, Fall River, MA 02720. Dr. Mangahas' primary practice is Charlton Memorial Hospital in Fall River, Massachusetts, part of Southcoast Health System. Dmand AI also links Dr. Mangahas to 1 hospital, 1 hospice and 1 medical group.
What is Dr. Christopher John Dionisio Mangahas' office phone number?
The practice phone on file for Dr. Mangahas is (508) 679-3131.
What is Dr. Christopher John Dionisio Mangahas' medical license number?
Dr. Mangahas holds Massachusetts license 257896, one of the licenses on file in 2 states.
Which states has Dr. Christopher John Dionisio Mangahas been licensed in?
Dmand AI has state licenses on file for Dr. Mangahas in Massachusetts and Rhode Island.
Which hospitals is Dr. Christopher John Dionisio Mangahas affiliated with?
Dr. Mangahas practices at Charlton Memorial Hospital in Fall River, Massachusetts. Dmand AI links Dr. Mangahas to 1 more hospital.
What medical group is Dr. Christopher John Dionisio Mangahas part of?
Dr. Mangahas is linked to Southcoast Health. Dmand AI links Dr. Mangahas to 1 more medical group.
Does Dr. Christopher John Dionisio Mangahas accept Medicare?
Yes. CMS data shows Dr. Mangahas billed Medicare for 1,290 services in 2024, and Dr. Mangahas accepts Medicare assignment.
Does Dr. Christopher John Dionisio Mangahas offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Mangahas as offering telehealth services.
Show 5 more questionsShow fewer questions
How many Medicare patients does Dr. Christopher John Dionisio Mangahas see?
CMS counts 386 Medicare patients who saw Dr. Mangahas in 2024, with an average age of 77.
What services does Dr. Christopher John Dionisio Mangahas bill to Medicare?
In 2024, Dr. Mangahas' most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99233) and hospital inpatient care (99238).
What drugs does Dr. Christopher John Dionisio Mangahas prescribe most?
In 2024 Medicare Part D data, Dr. Mangahas' most prescribed drugs by claims were Amoxicillin-Clavulanate Potass, Eliquis and Furosemide.
Has Dr. Christopher John Dionisio Mangahas received payments from drug or device companies?
CMS Open Payments shows $19 in general payments to Dr. Mangahas from 1 company from 2016 to 2016. The largest total came from Mylan Inc.
How long has Dr. Christopher John Dionisio Mangahas been practicing?
Dr. Mangahas graduated from medical school in 2010, 16 years ago.
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