Doctor profile · Federal record

Dr. William Dalton, M.D.

Medical Oncology Physician (CMS: Internal Medicine) · Baltimore, MD

  • NPI 1124344692
  • MIPS 74.4 / 100 · 2023
  • 16 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
Johns Hopkins Sidney Kimmel Ctr, 1650 Orleans St. Crb1 191
Baltimore, MD 212870001
(410) 955-8893

Credentials & registration

NPPES · NUCC
NPI registered
April 2010 — 16 yrs on file
Profile last updated
April 8, 2014
Year of graduation
2010 — 16 yrs since
Specialty taxonomy
207RX0202X — NUCC code
State license (1)
Maryland #D0076511

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1124344692. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
215
Distinct HCPCS
3
Medicare allowed
$25,383
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 162 33 $126
85097 Bone marrow, smear interpretation 36 36 $50
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 17 15 $184

In context: peer comparison

Among 37 peers in Baltimore Medical Oncology Physician, average services per provider: 1,726. This provider delivers 0.1× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. William Dalton's medical specialty?
Dr. William Dalton practices Medical Oncology Physician in Baltimore, MD.
Where does Dr. William Dalton practice?
Dr. William Dalton practices at Johns Hopkins Sidney Kimmel Ctr, Baltimore, MD 212870001. Office phone: 4109558893.
What is Dr. William Dalton's NPI?
Dr. William Dalton's National Provider Identifier (NPI) is 1124344692, issued by NPPES.
Does Dr. William Dalton accept Medicare assignment?
Dr. William Dalton does not accept Medicare assignment for all services. Patients may be billed amounts beyond Medicare-allowed charges.
What procedures does Dr. William Dalton commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Bone marrow, smear interpretation (HCPCS 85097); Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.