Dr. John W. O'Bell, MD
- Medicare services, 2024
- 551
- Medicare patients, 2024
- 260
- Part D claims, 2024
- 898
- Hospital affiliations
- 4
- Industry payments
- $241
- 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. O'Bell's 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. John W. O'Bell is a nephrologist in Fall River, Massachusetts
Dr. O'Bell practices at Charlton Memorial Hospital in Fall River, Massachusetts, part of Southcoast Health System.
Dr. O'Bell's NPI, 1982657805, was assigned on May 19, 2006. Dr. O'Bell graduated from Clvlnd Clinic Lerner College of Med of Case Wstn Rsv University in 1998. Dr. O'Bell holds Rhode Island license MD11473.
- NPI
- 1982657805NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6103712922
- NPI enumeration date
- May 19, 2006
- 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
- 54
- Medical school graduation
- 1998
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. John W. O'Bell practices at Charlton Memorial Hospital in Fall River, Massachusetts
Dr. O'Bell's 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. John W. O'Bell is affiliated with 8 sites of care and 3 medical groups
Dr. O'Bell's primary practice is Charlton Memorial Hospital in Fall River, Massachusetts, part of Southcoast Health System. Dr. O'Bell is also affiliated with The Miriam Hospital. The medical group on file is Southcoast Health. Dmand AI also links Dr. O'Bell to 2 more hospitals, 3 group practices and clinics, 2 medical groups and 1 dialysis center, 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. John W. O'Bell's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. O'Bell practices, 8 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 |
| +7 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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. John W. O'Bell is one of 351 nephrologists in Massachusetts
Nephrology is Dr. O'Bell's primary specialty in the NPI Registry, under taxonomy code 207RN0300X. Dmand AI has Dr. O'Bell's licenses on file in 2 states: Rhode Island and Massachusetts.
Specialties and state licenses
- Nephrology, Rhode IslandPrimary
- Hospitalist, Massachusetts
Nephrologists near Dr. O'Bell
Counts of nephrologists 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. John W. O'Bell billed Medicare for 551 services in 2024
CMS data shows 551 Medicare services from Dr. O'Bell across 6 procedure codes in 2024, for 260 Medicare patients. Medicare paid $70,423 for them.
Dr. O'Bell's Medicare services by type, 2024
- Office and hospital visits428
- Tests and treatments110
- Other services13
Where Dr. O'Bell's Medicare services took place, 2024
- In an office27750%
- In a facility27450%
Dr. O'Bell compared with the Massachusetts median for nephrologists, 2024
- Dr. O'Bell
- Massachusetts median
- Medicare services
- 551vs 70121% below
- Medicare patients
- 260vs 2828% below
- Part D claims
- 760vs 47161% above
Medians across 333 nephrologists in Massachusetts with Dmand AI profiles that report each measure.
Dr. O'Bell'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.
Need commercial claims for Dr. O'Bell?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. O'Bell and other nephrologists in Massachusetts.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. John W. O'Bell treated 260 Medicare patients in 2024, average age 75
CMS counts 260 Medicare patients who saw Dr. O'Bell in 2024. The largest group is 75 to 84, with 95 patients. 75% of them have chronic kidney disease, and 75% have high blood pressure. 24% are also on Medicaid. Their average risk score is 3.34, 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. O'Bell's median patient age at 73, with 49% women.
Dr. O'Bell's Medicare patients by age, 2024
Dr. O'Bell's Medicare patients by sex, 2024
- Women13150%
- Men12950%
Chronic conditions among Dr. O'Bell's Medicare patients, 2024
- Chronic kidney disease75%
- High blood pressure75%
- High cholesterol75%
- Arthritis60%
- Heart failure53%
- Diabetes52%
- Anxiety51%
- Ischemic heart disease50%
Share of Medicare patients with each condition. A patient can have several.
Dr. O'Bell's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 73
Patient panel by sex, all payers
- Women49%
- Men51%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. John W. O'Bell wrote 898 Medicare Part D claims in 2024
In 2024, Dr. O'Bell wrote 898 Medicare Part D claims for 139 patients. 92% of them were for generic drugs. CMS names the drug for 760 of them, across 28 drugs with 11 or more claims each, at $51,003 in total drug cost.
Dr. O'Bell's Part D claims by kind of drug, 2024
- Generic830 claims92%
- Brand-name and other68 claims8%
Dr. O'Bell's 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.
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. John W. O'Bell offers telehealth to Medicare patients
Dr. O'Bell accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. O'Bell as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. John W. O'Bell received $241 in industry payments in 2024
CMS Open Payments shows 3 general payments to Dr. O'Bell from 2 drug and device companies in 2024. Food and beverage make up the largest share, 100% of the total. Travere Therapeutics, Inc. paid the most, $137.
Companies that paid Dr. O'Bell the most, 2024 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. John W. O'Bell graduated from Clvlnd Clinic Lerner College of Med of Case Wstn Rsv University
Dr. O'Bell graduated from Clvlnd Clinic Lerner College of Med of Case Wstn Rsv University in 1998.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. John W. O'Bell'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) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| 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. John W. O'Bell
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. John W. O'Bell's NPI number?
Dr. John W. O'Bell's NPI number is 1982657805. It was assigned on May 19, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. John W. O'Bell?
Dr. John W. O'Bell is a nephrologist in Fall River, Massachusetts. The primary specialty in the NPI Registry is Nephrology Physician (taxonomy code 207RN0300X).
Where does Dr. John W. O'Bell practice?
Dr. O'Bell practices at 363 Highland Avenue, Fall River, MA 02720. Dr. O'Bell's primary practice is Charlton Memorial Hospital in Fall River, Massachusetts, part of Southcoast Health System. Dmand AI also links Dr. O'Bell to 2 hospitals, 3 group practices and clinics, 2 medical groups and 1 dialysis center.
What is Dr. John W. O'Bell's office phone number?
The practice phone on file for Dr. O'Bell is (508) 679-3131.
What is Dr. John W. O'Bell's medical license number?
Dr. O'Bell holds Rhode Island license MD11473, one of the licenses on file in 2 states.
Which states has Dr. John W. O'Bell been licensed in?
Dmand AI has state licenses on file for Dr. O'Bell in Rhode Island and Massachusetts.
Which hospitals is Dr. John W. O'Bell affiliated with?
Dr. O'Bell practices at Charlton Memorial Hospital in Fall River, Massachusetts. Dr. O'Bell is also affiliated with The Miriam Hospital. Dmand AI links Dr. O'Bell to 2 more hospitals.
What medical group is Dr. John W. O'Bell part of?
Dr. O'Bell is linked to Southcoast Health. Dmand AI links Dr. O'Bell to 2 more medical groups.
Does Dr. John W. O'Bell accept Medicare?
Yes. CMS data shows Dr. O'Bell billed Medicare for 551 services in 2024, and Dr. O'Bell accepts Medicare assignment.
Does Dr. John W. O'Bell offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. O'Bell as offering telehealth services.
Show 6 more questionsShow fewer questions
How many Medicare patients does Dr. John W. O'Bell see?
CMS counts 260 Medicare patients who saw Dr. O'Bell in 2024, with an average age of 75.
What services does Dr. John W. O'Bell bill to Medicare?
In 2024, Dr. O'Bell's most billed Medicare services were hospital inpatient care (99232), office visit, established patient (99214) and hospital inpatient care (99223).
Where did Dr. John W. O'Bell go to medical school?
Dr. O'Bell graduated from Clvlnd Clinic Lerner College of Med of Case Wstn Rsv University in 1998.
What drugs does Dr. John W. O'Bell prescribe most?
In 2024 Medicare Part D data, Dr. O'Bell's most prescribed drugs by claims were Amlodipine Besylate, Torsemide and Lisinopril.
Has Dr. John W. O'Bell received payments from drug or device companies?
CMS Open Payments shows $241 in general payments to Dr. O'Bell from 2 companies from 2024 to 2024. The largest total came from Travere Therapeutics, Inc.
How long has Dr. John W. O'Bell been practicing?
Dr. O'Bell graduated from medical school in 1998, 28 years ago.
Selling to nephrology practices?
See nephrologists in Massachusetts by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card