Doctor profile · Federal record

Dr. Vivian Lam, MD

Family Medicine Physician (CMS: Family Practice) · Student in an Organized Health Care Education/Training Program · Fairfax, VA

  • NPI 1952926073
  • Accepts Medicare
  • MIPS 91.3 / 100 · 2023
  • 6 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

Operates at 33 locations across 1 states.

NPPES Updated May 11, 2026
Primary practice
3650 Joseph Siewick Dr Ste 400
Fairfax, VA 220331715
(703) 391-2020
Pennsylvania — 32 locations
Additional location
10 Muddy Creek Forks RD
Brogue, PA 173099400
(717) 812-5020
Additional location
105 4Th St
East Berlin, PA 173169638
(717) 812-4900
Additional location
13515 Wolfe RD
New Freedom, PA 173499346
(717) 812-2501
Additional location
1401 Roosevelt Ave
York, PA 174042244
(717) 356-6250
Additional location
15 Constitution Ave
Shrewsbury, PA 173611709
(717) 235-6848
Additional location
1575 Bannister St
York, PA 174044946
(717) 812-2000
Additional location
1777 5Th Ave
York, PA 174032632
(717) 843-8051
Additional location
1790 Old Trail RD
Etters, PA 173199652
(717) 938-6588
Additional location
2003 E Market St
York, PA 174022841
(717) 812-4242
Additional location
2003 Springwood RD
York, PA 174034836
(717) 851-2521
Additional location
2050 S Queen St
York, PA 174034829
(717) 812-4240
Additional location
2149 S Queen St
York, PA 174034845
(717) 356-4460
Additional location
2250 E Market St
York, PA 174022857
(717) 851-1566
Additional location
2339 S George St
York, PA 174035009
(717) 812-3040
Additional location
235 Rosedale Dr
Manchester, PA 173451022
(717) 812-5229
Additional location
2350 Freedom Way
York, PA 174028200
(717) 851-7315
Additional location
25 Monument RD
York, PA 174035060
(717) 741-8003
Additional location
2675 Joppa RD
York, PA 174035160
(717) 741-9063
Additional location
2775 N George St
York, PA 174063020
(717) 812-7300
Additional location
3065 Windsor RD
Red Lion, PA 173568533
(717) 851-1700
Additional location
3193 Cape Horn RD
Red Lion, PA 173568810
(717) 812-5888
Additional location
370 Saint Charles Way
York, PA 174024647
(717) 741-8003
Additional location
4020 Carlisle RD
Dover, PA 173153508
(717) 851-6400
Additional location
4050 N George Street Ext
Manchester, PA 173459347
(717) 356-4370
Additional location
4222 Lincoln Hwy
York, PA 174068083
(717) 812-2050
Additional location
430 N Main St
Spring Grove, PA 173621123
(717) 851-6500
Additional location
54 S Forrest St
York, PA 174045550
(717) 792-1811
Additional location
55 N Main St
Jacobus, PA 174071248
(717) 428-1911
Additional location
605 S George St
York, PA 174013160
(717) 851-2334
Additional location
717 Town Center Dr
York, PA 17408
(717) 356-4240
Additional location
755 S Pleasant Ave
Dallastown, PA 173139252
(717) 851-1300
Additional location
96 Sofia Dr
Shrewsbury, PA 173615201
(717) 812-2400

Credentials & registration

NPPES · NUCC
NPI registered
June 2020 — 6 yrs on file
Profile last updated
March 3, 2025
Year of graduation
2020 — 6 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
Pennsylvania #MD482818

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1952926073. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
40
Distinct HCPCS
2
Medicare allowed
$3,844
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 29 29 $86
99214 Established patient office or other outpatient visit, 30-39 minutes 11 11 $122

In context: peer comparison

Among 41 peers in Fairfax Family Medicine Physician, average services per provider: 77. This provider delivers 0.5× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
242
Patients
11
Total drug cost
$3,888
Drug Type Claims Patients Total cost
Gentamicin Sulfate Generic 46 0 $1,598
Atorvastatin Calcium Generic 31 11 $430
Levothyroxine Sodium Generic 27 0 $311
Lisinopril Generic 26 0 $72
Amlodipine Besylate Generic 17 0 $112
Hydrochlorothiazide Generic 17 0 $47
Rosuvastatin Calcium Generic 15 0 $107
Duloxetine Hcl Generic 14 0 $770
Famotidine Generic 14 0 $133
Metformin Hcl Generic 12 0 $72

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Vivian Lam's medical specialty?
Dr. Vivian Lam practices Family Medicine Physician in Fairfax, VA.
Where does Dr. Vivian Lam practice?
Dr. Vivian Lam practices at 3650 Joseph Siewick Dr Ste 400, Fairfax, VA 220331715. Office phone: 7033912020.
What is Dr. Vivian Lam's NPI?
Dr. Vivian Lam's National Provider Identifier (NPI) is 1952926073, issued by NPPES.
Does Dr. Vivian Lam accept Medicare assignment?
Yes. Dr. Vivian Lam accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Vivian Lam commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.