Karlee Walther, NP-C
Family Nurse Practitioner · Natick, MA
Karlee Walther, NP-C is a family nurse practitioner with a practice address in Natick, Massachusetts, and NPI 1780042614, issued on Feb 6, 2016. Check the license (Massachusetts RN2299721, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Karlee Walther
- Credential
- NP-C
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- RN2299721 MA
Self-reported in NPPES; status is on the state search - Practice location
- 67 Union St, Natick, MA 01760
- Phone
- (508) 655-0525
- Enumerated
- Feb 6, 2016
- Record last updated
- Sep 21, 2016 (not updated in 10 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 4,724 in Massachusetts → Look up another NPI →
Also registered at 67 Union St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Johanne Agne, NPAdult Health Nurse Practitioner1710022496
- Susan Almy, NPNurse Practitioner1598945594
- Lisa Ayles, ATCAthletic Trainer1508827957
- Stephen Belmonte, M.D.Ophthalmology Physician1942249834
- Robert Berkowitz, M.D.Psychiatry Physician1538183504
- Kristen Bernstein, NPFamily Nurse Practitioner1205948676
Verify Karlee Walther in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license RN2299721Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
86% fewer Medicare Part D claims than the average family nurse practitioner in 2024
183 Medicare Part D claims for 76 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 21% of claims.
Most prescribed
- Clindamycin Phosphate21 claims
- Mometasone Furoate20 claims
- Fluocinonide19 claims
- Betamethasone Diprop Augmented16 claims
- Triamcinolone Acetonide14 claims
- Tretinoin13 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 practice group's MIPS final score for 2023 (Medicare payment program): 84.1 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $1,147.48
41 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 99,489 providers of this specialty with any payment received $650.95 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.
Karlee Walther among 4,724 family nurse practitioner records in Massachusetts
Karlee Walther, NP-C 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 fileNo · 57% of these records are
- 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).
25 family nurse practitioner records list a practice address in Natick
They are 25 of the 1,154 NPPES records with a practice address in Natick, and 4,724 family nurse practitioner records in Massachusetts.
All 4,724 in Massachusetts → Every provider in Natick → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Kristen Bernstein, NPNatick, MA 017601205948676
- Alexandra Cataldo, CNPNatick, MA 017601407462955
- Kathleen Heino, NPNatick, MA 017601043688948
- Kelly Kennedy, NPNatick, MA 017601003248204
- Abigail Lynch, FNP-BCNatick, MA 017601619512886
- Karen MagitNatick, MA 017601083223630
- Deborah Moore, NP-C, RNNatick, MA 017601255422200
- Courtney Nascimento, MS, MPH, NP-C, RN,RDNatick, MA 017601154436541
Common questions
What is Karlee Walther, NP-C's NPI number?
Karlee Walther, NP-C's National Provider Identifier (NPI) is 1780042614, issued on Feb 6, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Karlee Walther, NP-C located?
The NPPES record lists a practice address at 67 Union St, Natick, MA, 01760. Phone: (508) 655-0525. Providers update this record themselves, so call before visiting.
How can I verify Karlee Walther, NP-C's license?
NPPES lists Massachusetts license number RN2299721, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.
How much does Karlee Walther, NP-C prescribe under Medicare Part D?
In 2024, Karlee Walther, NP-C had 183 Medicare Part D claims for 76 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions only.
What is Karlee Walther, NP-C's MIPS final score?
The 2023 MIPS final score is 84.1 of 100, reported for the practice group. 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.