Doctor profile · Federal record

Dr. Michael Keng, M.D.

Hematology (Internal Medicine) Physician (CMS: Hematology/Oncology) · Medical Oncology Physician · Charlottesville, VA

  • NPI 1558512921
  • Accepts Medicare
  • MIPS 79.4 / 100 · 2023
  • 19 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
1240 Lee St
Charlottesville, VA 229080817
(434) 924-9333
fax (434) 243-6086
Additional location
1215 Lee St
Charlottesville, VA 229080817
(434) 924-0211
Mailing address
Po Box 9007
Charlottesville, VA 229069007

Credentials & registration

NPPES · NUCC
NPI registered
October 2008 — 18 yrs on file
Profile last updated
August 10, 2023
Year of graduation
2007 — 19 yrs since
Specialty taxonomy
207RH0000X — NUCC code
State license (1)
Virginia #0101256681

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1558512921. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
839
Distinct HCPCS
6
Medicare allowed
$102,474
HCPCS Description Services Patients Avg allowed
99215 Established patient office or other outpatient visit, 40-54 minutes 307 94 $141
99214 Established patient office or other outpatient visit, 30-39 minutes 274 105 $96
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 182 42 $117
99205 New patient office or other outpatient visit, 60-74 minutes 36 36 $179
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 22 19 $172
99238 Hospital discharge day management, 30 minutes or less 18 17 $80

In context: peer comparison

Among 4 peers in Charlottesville Hematology (Internal Medicine) Physician, average services per provider: 82. This provider delivers 10× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
82
Patients
0
Total drug cost
$32,299
Drug Type Claims Patients Total cost
Acyclovir Generic 41 0 $1,225
Hydroxyurea Generic 18 0 $724
Venclexta (Venetoclax) Brand 12 0 $28,501
Imatinib Mesylate Generic 11 0 $1,849

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Michael Keng's medical specialty?
Dr. Michael Keng practices Hematology (Internal Medicine) Physician in Charlottesville, VA.
Where does Dr. Michael Keng practice?
Dr. Michael Keng practices at 1240 Lee St, Charlottesville, VA 229080817. Office phone: 4349249333.
What is Dr. Michael Keng's NPI?
Dr. Michael Keng's National Provider Identifier (NPI) is 1558512921, issued by NPPES.
Does Dr. Michael Keng accept Medicare assignment?
Yes. Dr. Michael Keng accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Michael Keng commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99215); Established patient office or other outpatient visit (HCPCS 99214); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233). Source: CMS Medicare Physician & Other Practitioners file.