Doctor profile · Federal record

Dr. Claudine Isaacs

Hematology & Oncology Physician (CMS: Medical Oncology) · Washington, DC

  • NPI 1164414751
  • Accepts Medicare
  • MIPS 76.3 / 100 · 2023
  • 39 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3800 Reservoir RD Nw
Washington, DC 200072113
(202) 444-3677
Mailing address
Po Box 631872
Baltimore, MD 212631872

Credentials & registration

NPPES · NUCC
NPI registered
August 2005 — 21 yrs on file
Profile last updated
October 24, 2007
Year of graduation
1987 — 39 yrs since
Specialty taxonomy
207RH0003X — NUCC code
State license (1)
District of Columbia #20270

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1164414751. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
122
Distinct HCPCS
3
Medicare allowed
$13,679
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 83 58 $109
99215 Established patient office or other outpatient visit, 40-54 minutes 21 11 $160
99213 Established patient office or other outpatient visit, 20-29 minutes 18 17 $73

In context: peer comparison

Among 17 peers in Washington Hematology & Oncology Physician, average services per provider: 881. This provider delivers 0.1× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$23,156
Transactions
16
Manufacturers
5
Payer (manufacturer) Industry Txns Amount
Genentech USA, INC. 7 $8,703.31
Novartis Pharmaceuticals Corporation 2 $4,480.70
Pfizer INC. 2 $4,327.27
Gilead Sciences, INC. 4 $3,509.58
Merck Sharp & Dohme LLC 1 $2,135.00

By nature of payment

Consulting Fee
$17,495
Compensation for Services Other Than Consulting, Including Serving As Faculty or As A Speaker at A Venue Other Than A Continuing Education Program
$4,125
Travel and Lodging
$797
Food and Beverage
$738

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
32
Patients
0
Total drug cost
$1,086
Drug Type Claims Patients Total cost
Anastrozole Generic 17 0 $607
Letrozole Generic 15 0 $479

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Claudine Isaacs's medical specialty?
Dr. Claudine Isaacs practices Hematology & Oncology Physician in Washington, DC.
Where does Dr. Claudine Isaacs practice?
Dr. Claudine Isaacs practices at 3800 Reservoir RD Nw, Washington, DC 200072113. Office phone: 2024443677.
What is Dr. Claudine Isaacs's NPI?
Dr. Claudine Isaacs's National Provider Identifier (NPI) is 1164414751, issued by NPPES.
Does Dr. Claudine Isaacs accept Medicare assignment?
Yes. Dr. Claudine Isaacs accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Claudine Isaacs commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99215); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.