Louise Ambler Osborn, CPNP
Pediatric Nurse Practitioner · Boston, MA
Louise Ambler Osborn, CPNP is a pediatric nurse practitioner with a practice address in Boston, Massachusetts, and NPI 1013389386, issued on Oct 27, 2015. Check the license (Massachusetts RN2284728, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Louise Ambler Osborn
- Credential
- CPNP
- Primary taxonomy
- Pediatric Nurse Practitioner 363LP0200X
- License number
- RN2284728 MA
Self-reported in NPPES; status is on the state search - Practice location
- 1 Joslin PL, Boston, MA 02215
- Phone
- (617) 732-2603
- Enumerated
- Oct 27, 2015
- Record last updated
- Oct 27, 2015 (not updated in 11 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest pediatric nurse practitioner records → All 1,311 in Massachusetts → Look up another NPI →
Also registered at 1 Joslin PL
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Louise Ambler Osborn in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license RN2284728Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
90% fewer Medicare Part D claims than the average pediatric nurse practitioner in 2024
20 Medicare Part D claims, against an average of 206 among the 854 providers of this specialty who prescribed in Part D. Brand-name drugs were 80% of 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.
Industry payments in 2024: $308.31
3 payments; by number, the most common kind was food and beverage; the largest payer was Tandem Diabetes Care, Inc. The 7,169 providers of this specialty with any payment received $330.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Louise Ambler Osborn among 1,311 pediatric nurse practitioner records in Massachusetts
Louise Ambler Osborn, CPNP is one of 1,311 pediatric nurse practitioner records with a practice address in Massachusetts. 23% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 54% of them.
- NPI issued2015 · 54% of these records are older, 42% newer
- In a Medicare fileYes · 23% of these records are
- In the CMS Doctors and Clinicians fileNo · 11% of these records are
- Record last updated2015 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LP0200X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
630 pediatric nurse practitioner records list a practice address in Boston
They are 630 of the 41,865 NPPES records with a practice address in Boston, and 1,311 pediatric nurse practitioner records in Massachusetts.
All 1,311 in Massachusetts → Every provider in Boston → Pediatric Nurse Practitioner nationwide →
The 8 pediatric nurse practitioner records with the nearest ZIP codes
- Ruta Augius, N.P.Boston, MA 022151639142573
- Vanessa Battista, DNPBoston, MA 022151396992012
- Ann Bragan, NPBoston, MA 022151528032182
- Kathleen Connolly, NPBoston, MA 022151043284417
- Cynthia Cunningham, NPBoston, MA 022151619940285
- Mindy Gold, NPBoston, MA 022151902870199
- Deborah Holtorf, PNPBoston, MA 022151457372013
- Joyce Keady, PNP, RNBoston, MA 022151043234727
Common questions
What is Louise Ambler Osborn, CPNP's NPI number?
Louise Ambler Osborn, CPNP's National Provider Identifier (NPI) is 1013389386, issued on Oct 27, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Louise Ambler Osborn, CPNP located?
The NPPES record lists a practice address at 1 Joslin PL, Boston, MA, 02215. Phone: (617) 732-2603. Providers update this record themselves, so call before visiting.
How can I verify Louise Ambler Osborn, CPNP's license?
NPPES lists Massachusetts license number RN2284728, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.
How much does Louise Ambler Osborn, CPNP prescribe under Medicare Part D?
In 2024, Louise Ambler Osborn, CPNP had 20 Medicare Part D claims; the average among pediatric nurse practitioner prescribers was 206. 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.