Doctor profile · Federal record

Dr. Diana Passwaters, CRNP

Family Nurse Practitioner (CMS: Nurse Practitioner) · Columbia, MD

  • NPI 1770631996
  • Accepts Medicare
  • 22 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
5457 Twin Knolls RD Ste 100
Columbia, MD 210453263
(410) 689-7400
Mailing address
6400 Shafer CT Ste 700
Rosemont, IL 600184989

Credentials & registration

NPPES · NUCC
NPI registered
January 2007 — 19 yrs on file
Profile last updated
August 23, 2022
Year of graduation
2004 — 22 yrs since
Specialty taxonomy
363LF0000X — NUCC code
State license (1)
Maryland #R125725

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1770631996. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$998
Transactions
9
Manufacturers
6
Payer (manufacturer) Industry Txns Amount
AstraZeneca Pharmaceuticals Lp 3 $349.49
Abbvie INC. 2 $239.36
Smith+Nephew, INC. 1 $120.79
Neurocrine Biosciences, INC. 1 $107.35
Boston Scientific Corporation 1 $98.55
Coloplast Corp 1 $82.61

By nature of payment

Food and Beverage
$998

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
213
Patients
23
Total drug cost
$6,869
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 52 12 $1,079
Metformin Hcl Generic 31 0 $410
Pantoprazole Sodium Generic 28 0 $731
Metoprolol Succinate Generic 17 0 $313
Clopidogrel (Clopidogrel Bisulfate) Brand 14 0 $322
Furosemide Generic 13 0 $87
Eliquis (Apixaban) Brand 12 0 $2,281
Levothyroxine Sodium Generic 12 0 $191
Oxycodone Hcl Generic 12 11 $76
Montelukast Sodium Generic 11 0 $262

Frequently asked questions

Auto-generated from federal data
What is Dr. Diana Passwaters's medical specialty?
Dr. Diana Passwaters practices Family Nurse Practitioner in Columbia, MD.
Where does Dr. Diana Passwaters practice?
Dr. Diana Passwaters practices at 5457 Twin Knolls RD Ste 100, Columbia, MD 210453263. Office phone: 4106897400.
What is Dr. Diana Passwaters's NPI?
Dr. Diana Passwaters's National Provider Identifier (NPI) is 1770631996, issued by NPPES.
Does Dr. Diana Passwaters accept Medicare assignment?
Yes. Dr. Diana Passwaters accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.