Doctor profile · Federal record

Dr. Elizabeth Armstrong, M.D.

Internal Medicine Physician (CMS: Internal Medicine) · Pediatrics Physician · Northampton, MA

  • NPI 1881626786
  • Accepts Medicare
  • 24 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
325B King St
Northampton, MA 010602370
(413) 387-4100
fax (413) 387-4119
Mailing address
280 Chestnut St Fl 2
Springfield, MA 011991001

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
August 29, 2022
Year of graduation
2002 — 24 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Massachusetts #227826
Medicaid
MA #110073543A

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1881626786. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
547
Distinct HCPCS
10
Medicare allowed
$58,971
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 282 178 $130
99213 Established patient office or other outpatient visit, 20-29 minutes 65 58 $93
99215 Established patient office or other outpatient visit, 40-54 minutes 47 33 $183
83036 Hemoglobin a1c level 37 27 $10
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 35 35 $132
81003 Automated urinalysis test 20 19 $2
93005 Routine electrocardiogram (ecg) using at least 12 leads with tracing 19 19 $7
G0008 Administration of influenza virus vaccine 17 17 $27
90662 Influenza vaccine split virus, preservative free 13 13 $72
99442 Telephone medical discussion with physician, 11-20 minutes 12 11 $92

In context: peer comparison

Among 7 peers in this city , average services per provider: 104. This provider delivers 5.3× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,231
Patients
404
Total drug cost
$81,150
Drug Type Claims Patients Total cost
Levothyroxine Sodium Generic 141 46 $2,250
Atorvastatin Calcium Generic 123 44 $3,729
Lisinopril Generic 110 38 $1,278
Gabapentin Generic 101 26 $1,560
Omeprazole Generic 101 35 $3,041
Amlodipine Besylate Generic 95 30 $623
Clonazepam Generic 94 16 $1,263
Losartan Potassium Generic 83 27 $1,376
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 68 29 $2,053
Sertraline Hcl Generic 59 20 $940

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Elizabeth Armstrong's medical specialty?
Dr. Elizabeth Armstrong practices Internal Medicine Physician in Northampton, MA.
Where does Dr. Elizabeth Armstrong practice?
Dr. Elizabeth Armstrong practices at 325B King St, Northampton, MA 010602370. Office phone: 4133874100.
What is Dr. Elizabeth Armstrong's NPI?
Dr. Elizabeth Armstrong's National Provider Identifier (NPI) is 1881626786, issued by NPPES.
Does Dr. Elizabeth Armstrong accept Medicare assignment?
Yes. Dr. Elizabeth Armstrong accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Elizabeth Armstrong commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99215). Source: CMS Medicare Physician & Other Practitioners file.