Christopher Lambert, FNP
Family Nurse Practitioner · Haverhill, MA
Christopher Lambert, FNP is a family nurse practitioner with a practice address in Haverhill, Massachusetts, and NPI 1396146742, issued on Sep 4, 2014. Check the license (Massachusetts RN2273234, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Christopher Lambert
- Credential
- FNP
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- RN2273234 MA
Self-reported in NPPES; status is on the state search - Practice location
- 1 Parkway, Haverhill, MA 01830
- Phone
- (978) 521-3270
- Enumerated
- Sep 4, 2014
- Record last updated
- Feb 23, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (978) 469-5656
- Medicare enrollment
- Enrolled (PECOS I20180208000890); may accept Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 4,724 in Massachusetts → Look up another NPI →
Also registered at 1 Parkway
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Christopher Lambert in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license RN2273234Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
13% more Medicare Part D claims than the average family nurse practitioner in 2024
1,470 Medicare Part D claims for 417 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 24 claims were for opioids.
Most prescribed
- Lisinopril84 claims
- Atorvastatin Calcium80 claims
- Amlodipine Besylate79 claims
- Gabapentin63 claims
- Omeprazole60 claims
- Levothyroxine Sodium39 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through 3 group practices
- Mass General Brigham Community Physicians IncHaverhill, MA
- Mass General Brigham Medical Group Northern Massachusetts IncDanvers, MA
- Mass General Brigham Urgent Care LLCBrookline, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Christopher Lambert among 4,724 family nurse practitioner records in Massachusetts
Christopher Lambert, FNP is one of 4,724 family nurse practitioner records with a practice address in Massachusetts. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 30% of them.
- NPI issued2014 · 30% of these records are older, 66% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated2017 · median 2019 among the 2,704 with a school on file
- Record last updated2018 · 42% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
14 family nurse practitioner records list a practice address in Haverhill
They are 14 of the 1,185 NPPES records with a practice address in Haverhill, and 4,724 family nurse practitioner records in Massachusetts.
All 4,724 in Massachusetts → Every provider in Haverhill → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Briana Cody, CNPHaverhill, MA 018301003583626
- Anna Deraney, NP-CHaverhill, MA 018301487172722
- Sarah Jensen, NPHaverhill, MA 018301023256344
- Jessica KnightHaverhill, MA 018301154038503
- Carla Kolesar, NPHaverhill, MA 018301629419270
- Shelley Penna, NPHaverhill, MA 018301831109602
- Sarah Raymond, CNPHaverhill, MA 018301164024931
- Shannon ReddyHaverhill, MA 018301790462265
Common questions
What is Christopher Lambert, FNP's NPI number?
Christopher Lambert, FNP's National Provider Identifier (NPI) is 1396146742, issued on Sep 4, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Christopher Lambert, FNP located?
The NPPES record lists a practice address at 1 Parkway, Haverhill, MA, 01830. Phone: (978) 521-3270. Providers update this record themselves, so call before visiting.
How can I verify Christopher Lambert, FNP's license?
NPPES lists Massachusetts license number RN2273234, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.
How much does Christopher Lambert, FNP prescribe under Medicare Part D?
In 2024, Christopher Lambert, FNP had 1,470 Medicare Part D claims for 417 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.