Doctor profile · Federal record

Dr. Christopher Pash, M.D.

Internal Medicine Physician (CMS: Internal Medicine) · Internal Medicine Physician · Internal Medicine Physician · Largo, MD

  • NPI 1639121262
  • 39 yrs in practice
  • Licensed in 3 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1221 Mercantile Ln, Kaiser Permanente Largo Medical Center
Largo, MD 207745374
(301) 618-5500
Mailing address
2101 E Jefferson St, Kaiser Permanente Medicare Enrollment
Rockville, MD 208524908

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
June 1, 2021
Year of graduation
1987 — 39 yrs since
Specialty taxonomy
207R00000X — NUCC code
State licenses (3)
Maryland #D0068418 · Virginia #0101246545 · District of Columbia #MD038790
Medicaid
PA #0012020290010

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1639121262. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
138
Distinct HCPCS
5
Medicare allowed
$11,403
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 71 48 $99
G0008 Administration of influenza virus vaccine 23 22 $35
90662 Influenza vaccine split virus, preservative free 16 16 $72
90480 Admn sarscov2 vacc 1 dose 14 14 $46
91320 Sarscv2 vac 30mcg trs-suc im 14 14 $128

In context: peer comparison

Among 9 peers in Largo Internal Medicine Physician, average services per provider: 105. This provider delivers 1.3× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
5,198
Patients
1,718
Total drug cost
$67,636
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 1,059 345 $15,225
Amlodipine Besylate Generic 803 254 $9,157
Lisinopril Generic 442 140 $5,231
Losartan Potassium Generic 432 140 $4,798
Metformin Hcl Generic 334 107 $3,588
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 296 94 $5,179
Gabapentin Generic 251 78 $5,033
Glipizide Generic 240 86 $2,700
Hydrochlorothiazide Generic 235 78 $2,440
Tamsulosin Hcl Generic 204 75 $3,108

Frequently asked questions

Auto-generated from federal data
What is Dr. Christopher Pash's medical specialty?
Dr. Christopher Pash practices Internal Medicine Physician in Largo, MD.
Where does Dr. Christopher Pash practice?
Dr. Christopher Pash practices at 1221 Mercantile Ln, Largo, MD 207745374. Office phone: 3016185500.
What is Dr. Christopher Pash's NPI?
Dr. Christopher Pash's National Provider Identifier (NPI) is 1639121262, issued by NPPES.
Does Dr. Christopher Pash accept Medicare assignment?
Dr. Christopher Pash does not accept Medicare assignment for all services. Patients may be billed amounts beyond Medicare-allowed charges.
What procedures does Dr. Christopher Pash commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Administration of influenza virus vaccine (HCPCS G0008); Influenza vaccine split virus, preservative free (HCPCS 90662). Source: CMS Medicare Physician & Other Practitioners file.