Doctor profile · Federal record

Dr. Ragnar Palsson, M.D.

Nephrology Physician (CMS: Nephrology) · Internal Medicine Physician · Boston, MA

  • NPI 1841551199
  • Accepts Medicare
  • 17 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
55 Fruit St
Boston, MA 021142621
(617) 726-2000
Additional location
75 Francis St
Boston, MA 021156110
(617) 732-5500
Mailing address
165 Cambridge St Ste 302
Boston, MA 021142752

Credentials & registration

NPPES · NUCC
NPI registered
June 2012 — 14 yrs on file
Profile last updated
August 7, 2025
Year of graduation
2009 — 17 yrs since
Specialty taxonomy
207RN0300X — NUCC code
State license (1)
Massachusetts #294350

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1841551199. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
376
Distinct HCPCS
3
Medicare allowed
$49,321
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 304 84 $126
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 50 44 $184
90935 Hemodialysis procedure with physician evaluation 22 12 $76

In context: peer comparison

Among 73 peers in Boston Nephrology Physician, average services per provider: 137. This provider delivers 2.7× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Ragnar Palsson's medical specialty?
Dr. Ragnar Palsson practices Nephrology Physician in Boston, MA.
Where does Dr. Ragnar Palsson practice?
Dr. Ragnar Palsson practices at 55 Fruit St, Boston, MA 021142621. Office phone: 6177262000.
What is Dr. Ragnar Palsson's NPI?
Dr. Ragnar Palsson's National Provider Identifier (NPI) is 1841551199, issued by NPPES.
Does Dr. Ragnar Palsson accept Medicare assignment?
Yes. Dr. Ragnar Palsson accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ragnar Palsson commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Initial hospital care with moderate level of medical decision making (HCPCS 99223); Hemodialysis procedure with physician evaluation (HCPCS 90935). Source: CMS Medicare Physician & Other Practitioners file.