Doctor profile · Federal record

Dr. Lois Alderfer, N.P.

Family Nurse Practitioner (CMS: Nurse Practitioner) · Arrington, VA

  • NPI 1194703876
  • Accepts Medicare
  • 36 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
4038 Thomas Nelson Hwy
Arrington, VA 229222302
(434) 263-4000
fax (434) 263-4160

Credentials & registration

NPPES · NUCC
NPI registered
January 2006 — 20 yrs on file
Profile last updated
May 28, 2025
Year of graduation
1990 — 36 yrs since
Specialty taxonomy
363LF0000X — NUCC code
State license (1)
Virginia #0024104630

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1194703876. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
34
Distinct HCPCS
2
Medicare allowed
$548
HCPCS Description Services Patients Avg allowed
81002 Urinalysis, manual test 20 18 $3
87426 Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus 14 14 $34

In context: peer comparison

Among 1 peers in this city , average services per provider: 17. This provider delivers 2.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$275
Transactions
14
Manufacturers
5
Payer (manufacturer) Industry Txns Amount
Abbott Laboratories 7 $153.20
Novo Nordisk Inc 2 $34.78
Bayer Healthcare Pharmaceuticals Inc. 2 $31.52
Lilly USA, LLC 2 $31.00
ITI, Inc. (d/b/a Intra-Cellular Therapies, Inc.) 1 $24.29

By nature of payment

Food and Beverage
$275

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,421
Patients
542
Total drug cost
$69,997
Drug Type Claims Patients Total cost
Amlodipine Besylate Generic 158 56 $1,395
Atorvastatin Calcium Generic 149 49 $2,239
Lisinopril Generic 144 41 $1,156
Shingrix (Varicella-Zoster Ge/As01b/Pf) Brand 121 81 $26,376
Levothyroxine Sodium Generic 104 34 $1,806
Omeprazole Generic 103 34 $1,271
Hydrochlorothiazide Generic 90 28 $281
Abrysvo (Rsv Vacc, Pref A And Pref B/Pf) Brand 86 86 $27,059
Furosemide Generic 77 20 $711
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 69 18 $2,774

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Lois Alderfer's medical specialty?
Dr. Lois Alderfer practices Family Nurse Practitioner in Arrington, VA.
Where does Dr. Lois Alderfer practice?
Dr. Lois Alderfer practices at 4038 Thomas Nelson Hwy, Arrington, VA 229222302. Office phone: 4342634000.
What is Dr. Lois Alderfer's NPI?
Dr. Lois Alderfer's National Provider Identifier (NPI) is 1194703876, issued by NPPES.
Does Dr. Lois Alderfer accept Medicare assignment?
Yes. Dr. Lois Alderfer accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Lois Alderfer commonly perform?
Top Medicare-reported procedures in 2023: Urinalysis, manual test (HCPCS 81002); Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus (HCPCS 87426). Source: CMS Medicare Physician & Other Practitioners file.