Doctor profile · Federal record

Dr. Christina Hammaker, P.A.

Physician Assistant · Washington, DC

  • NPI 1740432459
  • 18 yrs on file
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1327 18Th St Nw
Washington, DC 200366516
(202) 785-2400
fax (202) 452-1853

Credentials & registration

NPPES · NUCC
NPI registered
October 2008 — 18 yrs on file
Profile last updated
December 4, 2017
Specialty taxonomy
363A00000X — NUCC code
State license (1)
District of Columbia #PA030558

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1740432459. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$753
Transactions
36
Manufacturers
10
Payer (manufacturer) Industry Txns Amount
ABBVIE INC. 16 $300.61
UCB, Inc. 5 $117.01
PFIZER INC. 4 $75.60
ITI, Inc. (d/b/a Intra-Cellular Therapies, Inc.) 3 $65.65
HARMONY BIOSCIENCES LLC 2 $61.84
Eisai Inc. 2 $44.83
JAZZ PHARMACEUTICALS INC. 1 $30.42
Lilly USA, LLC 1 $22.49
Otsuka America Pharmaceutical, Inc. 1 $20.82
Lundbeck LLC 1 $13.33

By nature of payment

Food and Beverage
$753

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
34
Patients
0
Total drug cost
$1,333
Drug Type Claims Patients Total cost
Oxycodone Hcl Generic 20 0 $406
Bupropion Xl (Bupropion Hcl) Brand 14 0 $927

Frequently asked questions

Auto-generated from federal data
What is Dr. Christina Hammaker's medical specialty?
Dr. Christina Hammaker practices Physician Assistant in Washington, DC.
Where does Dr. Christina Hammaker practice?
Dr. Christina Hammaker practices at 1327 18Th St Nw, Washington, DC 200366516. Office phone: 2027852400.
What is Dr. Christina Hammaker's NPI?
Dr. Christina Hammaker's National Provider Identifier (NPI) is 1740432459, issued by NPPES.