Doctor profile · Federal record

Dr. Ramnath Subbaraman, M.D.

Infectious Disease Physician (CMS: Infectious Disease) · Internal Medicine Physician · Boston, MA

  • NPI 1063646792
  • Accepts Medicare
  • 19 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
75 Francis St
Boston, MA 021156110
(617) 732-8881

Credentials & registration

NPPES · NUCC
NPI registered
May 2009 — 17 yrs on file
Profile last updated
June 17, 2014
Year of graduation
2007 — 19 yrs since
Specialty taxonomy
207RI0200X — NUCC code
State licenses (2)
Massachusetts #258664 · California #A107583

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1063646792. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
130
Distinct HCPCS
1
Medicare allowed
$16,288
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 130 37 $125

In context: peer comparison

Among 71 peers in Boston Infectious Disease Physician, average services per provider: 59. This provider delivers 2.2× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Ramnath Subbaraman's medical specialty?
Dr. Ramnath Subbaraman practices Infectious Disease Physician in Boston, MA.
Where does Dr. Ramnath Subbaraman practice?
Dr. Ramnath Subbaraman practices at 75 Francis St, Boston, MA 021156110. Office phone: 6177328881.
What is Dr. Ramnath Subbaraman's NPI?
Dr. Ramnath Subbaraman's National Provider Identifier (NPI) is 1063646792, issued by NPPES.
Does Dr. Ramnath Subbaraman accept Medicare assignment?
Yes. Dr. Ramnath Subbaraman accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ramnath Subbaraman commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233). Source: CMS Medicare Physician & Other Practitioners file.