Christopher Allen Ambler, RN, FNP-BC
Family Nurse Practitioner · Barre, MA
Christopher Allen Ambler, RN, FNP-BC is a family nurse practitioner with a practice address in Barre, Massachusetts, and NPI 1184174187, issued on Oct 13, 2016. Check the license (Massachusetts RN2285256, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Christopher Allen Ambler
- Credential
- RN, FNP-BC
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- RN2285256 MA
Self-reported in NPPES; status is on the state search - Practice location
- 467 Loring RD, Barre, MA 01005
- Phone
- (978) 355-9043
- Enumerated
- Oct 13, 2016
- Record last updated
- Oct 13, 2016 (not updated in 10 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20170508001063); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 4,724 in Massachusetts → Look up another NPI →
Verify Christopher Allen Ambler in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license RN2285256Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
71% fewer Medicare Part D claims than the average family nurse practitioner in 2024
377 Medicare Part D claims for 291 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 4% of claims.
Most prescribed
- Doxycycline Monohydrate59 claims
- Amoxicillin-Clavulanate Potass43 claims
- Azithromycin37 claims
- Nitrofurantoin Mono-Macro30 claims
- Prednisone27 claims
- Cephalexin19 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.
The MIPS final score for 2023 (Medicare payment program): 97 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Athol Memorial Hospital IncorporatedAthol, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Christopher Allen Ambler among 4,724 family nurse practitioner records in Massachusetts
Christopher Allen Ambler, RN, FNP-BC 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 2016, is newer than 39% of them.
- NPI issued2016 · 39% of these records are older, 56% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated2016 · median 2019 among the 2,704 with a school on file
- Record last updated2016 · 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).
2 family nurse practitioner records list a practice address in Barre
They are 2 of the 86 NPPES records with a practice address in Barre, and 4,724 family nurse practitioner records in Massachusetts.
All 4,724 in Massachusetts → Every provider in Barre → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Andrea Julian, NPBarre, MA 010051528347457
- Kerilyn Barrios, NPBelchertown, MA 010071154106979
- Katherine Bean, NPBelchertown, MA 010071679266712
- Kaytlin David, NPAmherst, MA 010031346897097
- Patricia Donahue, MSN/MBA, APRN - BCAmherst, MA 010031235363540
- Samantha Harris, FNPBelchertown, MA 010071740791110
- Hilary Hayden-Moryl, NPBelchertown, MA 010071558775221
- Jennifer McMartinBelchertown, MA 010071134791155
Common questions
What is Christopher Allen Ambler, RN, FNP-BC's NPI number?
Christopher Allen Ambler, RN, FNP-BC's National Provider Identifier (NPI) is 1184174187, issued on Oct 13, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Christopher Allen Ambler, RN, FNP-BC located?
The NPPES record lists a practice address at 467 Loring RD, Barre, MA, 01005. Phone: (978) 355-9043. Providers update this record themselves, so call before visiting.
How can I verify Christopher Allen Ambler, RN, FNP-BC's license?
NPPES lists Massachusetts license number RN2285256, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.
How much does Christopher Allen Ambler, RN, FNP-BC prescribe under Medicare Part D?
In 2024, Christopher Allen Ambler, RN, FNP-BC had 377 Medicare Part D claims for 291 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions only.
What is Christopher Allen Ambler, RN, FNP-BC's MIPS final score?
The 2023 MIPS final score is 97 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.