Doctor profile · Federal record

Dr. Ellen Nash, NP

Nurse Practitioner · Boston, MA

  • NPI 1225198195
  • Accepts Medicare
  • 52 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
55 Fruit Street, Mass General Hospital
Boston, MA 021142696
(617) 724-6850
Mailing address
Po Box 9142, Mass General Physicians Organization INC
Charlestown, MA 021299142

Credentials & registration

NPPES · NUCC
NPI registered
December 2006 — 20 yrs on file
Profile last updated
July 8, 2007
Year of graduation
1974 — 52 yrs since
Specialty taxonomy
363L00000X — NUCC code
State license (1)
Massachusetts #126566

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1225198195. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
570
Distinct HCPCS
10
Medicare allowed
$50,673
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 245 202 $110
99213 Established patient office or other outpatient visit, 20-29 minutes 103 91 $78
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 39 39 $112
99443 Telephone medical discussion with physician, 21-30 minutes 35 29 $110
83036 Hemoglobin a1c level 32 31 $10
G0008 Administration of influenza virus vaccine 29 29 $34
69209 Removal of impacted ear wax by washing 28 28 $14
90662 Influenza vaccine split virus, preservative free 24 24 $72
81003 Automated urinalysis test 18 18 $2
99496 Transitional care management services for problem of high complexity 17 17 $241

In context: peer comparison

Among 151 peers in Boston Nurse Practitioner, average services per provider: 101. This provider delivers 5.6× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,069
Patients
506
Total drug cost
$53,946
Drug Type Claims Patients Total cost
Lisinopril Generic 152 66 $1,913
Atorvastatin Calcium Generic 121 66 $2,364
Omeprazole Generic 105 52 $2,591
Amlodipine Besylate Generic 98 53 $1,241
Simvastatin Generic 97 47 $1,326
Levothyroxine Sodium Generic 95 42 $1,505
Metoprolol Succinate Generic 82 43 $1,918
Metformin Hcl Generic 61 29 $982
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 40 20 $1,550
Famotidine Generic 39 18 $639

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Ellen Nash's medical specialty?
Dr. Ellen Nash practices Nurse Practitioner in Boston, MA.
Where does Dr. Ellen Nash practice?
Dr. Ellen Nash practices at 55 Fruit Street, Boston, MA 021142696. Office phone: 6177246850.
What is Dr. Ellen Nash's NPI?
Dr. Ellen Nash's National Provider Identifier (NPI) is 1225198195, issued by NPPES.
Does Dr. Ellen Nash accept Medicare assignment?
Yes. Dr. Ellen Nash accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ellen Nash 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); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439). Source: CMS Medicare Physician & Other Practitioners file.