John W. O'Bell, MD
Nephrology Physician · Fall River, MA
John W. O'Bell, MD is a nephrology physician with a practice address in Fall River, Massachusetts, and NPI 1982657805, issued on May 19, 2006. Check the license (Massachusetts 205573, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- John W. O'Bell
- Credential
- MD
- Primary taxonomy
- Nephrology Physician 207RN0300X
- License numbers
- 205573 MA
MD11473 RI
Self-reported in NPPES; status is on the state search - Practice location
- 235 Hanover St, Fall River, MA 02720
- Phone
- (508) 973-1750
- Enumerated
- May 19, 2006
- Record last updated
- May 26, 2026
- Fax
- (508) 973-6658
- Medicaid IDs
- 7056844 RI
2094461 MA - Medicare enrollment
- Enrolled (PECOS I20040226001004); accepts Medicare assignment
- Medical or professional school
- Clvlnd Clinic Lerner College Of Med Of Case Wstn Rsv University, 1998
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest nephrology physician records → All 417 in Massachusetts → Look up another NPI →
Also registered at 235 Hanover St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify John W. O'Bell in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 205573Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
39% fewer Medicare Part D claims than the average nephrology physician in 2024
898 Medicare Part D claims for 139 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D.
Most prescribed
- Amlodipine Besylate82 claims
- Torsemide75 claims
- Lisinopril53 claims
- Losartan Potassium50 claims
- Furosemide43 claims
- Sevelamer Carbonate43 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $240.87
3 payments; by number, the most common kind was food and beverage; the largest payer was Travere Therapeutics, Inc. The 8,230 providers of this specialty with any payment received $3,091.37 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Southcoast Physicians Group IncNew Bedford, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John W. O'Bell among 417 nephrology physician records in Massachusetts
John W. O'Bell, MD is one of 417 nephrology physician records with a practice address in Massachusetts. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 16% of them.
- NPI issued2006 · 16% of these records are older, 52% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 71% of these records are
- Graduated1998 · median 2001 among the 295 with a school on file
- Record last updated2026 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RN0300X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Nephrology Physician providers in Massachusetts
There are 417 nephrology physician records in Massachusetts.
All 417 in Massachusetts → Every provider in Fall River → Nephrology Physician nationwide →
The 8 nephrology physician records with the nearest ZIP codes
- Jeffrey Horowitz, MDFall River, MA 027201174522254
- Judy Jang, MDFall River, MA 027201134310055
- Thomas Krahn, M.D.Fall River, MA 027201952300337
- Swetha Nataraj, M.D.Fall River, MA 027201336348978
- Jacob Winograd, MDFall River, MA 027201699204347
- Xochitl Zuniga, M.D.Fall River, MA 027201285633404
- Jessica BoldridgeFairhaven, MA 027191578023503
- Sagar Patel, MDFairhaven, MA 027191639301187
Common questions
What is John W. O'Bell, MD's NPI number?
John W. O'Bell, MD's National Provider Identifier (NPI) is 1982657805, issued on May 19, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John W. O'Bell, MD located?
The NPPES record lists a practice address at 235 Hanover St, Fall River, MA, 02720. Phone: (508) 973-1750. Providers update this record themselves, so call before visiting.
How can I verify John W. O'Bell, MD's license?
NPPES lists Massachusetts license number 205573, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://findmydoctor.mass.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does John W. O'Bell, MD prescribe under Medicare Part D?
In 2024, John W. O'Bell, MD had 898 Medicare Part D claims for 139 beneficiaries; the average among nephrology physician prescribers was 1,465. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.