Doctor profile · Federal record

Dr. Christopher Lambert, FNP

Family Nurse Practitioner (CMS: Nurse Practitioner) · Registered Nurse · Haverhill, MA

  • NPI 1396146742
  • 9 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1 Parkway
Haverhill, MA 018306278
(978) 521-3270
fax (978) 469-5656
Mailing address
529 Main St
Boxford, MA 019211229

Credentials & registration

NPPES · NUCC
NPI registered
September 2014 — 12 yrs on file
Profile last updated
February 23, 2018
Year of graduation
2017 — 9 yrs since
Specialty taxonomy
363LF0000X — NUCC code
State license (1)
Massachusetts #RN2273234

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1396146742. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
165
Distinct HCPCS
5
Medicare allowed
$15,244
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 65 61 $112
99213 Established patient office or other outpatient visit, 20-29 minutes 45 45 $81
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 24 24 $12
99204 New patient office or other outpatient visit, 45-59 minutes 18 18 $151
99203 New patient office or other outpatient visit, 30-44 minutes 13 13 $102

In context: peer comparison

Among 3 peers in this city , average services per provider: 74. This provider delivers 2.2× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
822
Patients
519
Total drug cost
$12,035
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 123 49 $2,048
Omeprazole Generic 94 45 $1,867
Amlodipine Besylate Generic 81 37 $709
Methylprednisolone Generic 61 55 $549
Fluticasone Propionate Generic 56 43 $906
Lisinopril Generic 55 31 $696
Gabapentin Generic 50 18 $983
Prednisone Generic 48 46 $185
Paxlovid (Eua) (Nirmatrelvir/Ritonavir) Brand 44 44 $450
Simvastatin Generic 42 15 $407

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Christopher Lambert's medical specialty?
Dr. Christopher Lambert practices Family Nurse Practitioner in Haverhill, MA.
Where does Dr. Christopher Lambert practice?
Dr. Christopher Lambert practices at 1 Parkway, Haverhill, MA 018306278. Office phone: 9785213270.
What is Dr. Christopher Lambert's NPI?
Dr. Christopher Lambert's National Provider Identifier (NPI) is 1396146742, issued by NPPES.
Does Dr. Christopher Lambert accept Medicare assignment?
Dr. Christopher Lambert does not accept Medicare assignment for all services. Patients may be billed amounts beyond Medicare-allowed charges.
What procedures does Dr. Christopher Lambert 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); Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (HCPCS 93000). Source: CMS Medicare Physician & Other Practitioners file.