NPPES file of Aug 9, 2026

Kathleen Marie Furlong, NP

Adult Health Nurse Practitioner · Mission Viejo, CA

Kathleen Marie Furlong, NP is an adult health nurse practitioner with a practice address in Mission Viejo, California, and NPI 1205101987, issued on Mar 14, 2012. Check the license (California 579745, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1205101987
Name
Kathleen Marie Furlong
Credential
NP
Primary taxonomy
Adult Health Nurse Practitioner 363LA2200X
License number
579745 CA
Self-reported in NPPES; status is on the state search
Practice location
26800 Crown Valley Pkwy, Mission Viejo, CA 92691
Phone
(949) 542-8002
Enumerated
Mar 14, 2012
Record last updated
Oct 22, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(949) 542-7337
Medicare enrollment
Enrolled (PECOS I20120417000314); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest adult health nurse practitioner records → All 1,405 in California → Look up another NPI →

Also registered at 26800 Crown Valley Pkwy

A shared address usually means a shared clinic or building; it does not show who employs whom.

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  2. Matt Ahmadi, D.P.M.Foot & Ankle Surgery Podiatrist1285635144
  3. Jennifer Altamira, ACNPAcute Care Nurse Practitioner1205815248
  4. Habib Azad, M.D.Nephrology Physician1114962610
  5. Bahman Badie, M.D.Internal Medicine Physician1396721916
  6. Mehrnaz Badie, M.D.Internal Medicine Physician1831212885

Verify Kathleen Marie Furlong in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license 579745    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the California license search

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15% fewer Medicare Part D claims than the average adult health nurse practitioner in 2024

1,082 Medicare Part D claims for 250 beneficiaries, against an average of 1,280 among the 16,937 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims.

  1. Kathleen Furlong1,082
  2. Specialty average1,280

Most prescribed

  1. Gabapentin132 claims
  2. Donepezil Hcl111 claims
  3. Sumatriptan Succinate94 claims
  4. Quetiapine Fumarate75 claims
  5. Rizatriptan50 claims
  6. Memantine Hcl44 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: $1,880.11

97 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 12,291 providers of this specialty with any payment received $946.40 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Kathleen Furlong$1,880.11
  2. Specialty average$946.40

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Providence Medical FoundationFullerton, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Kathleen Marie Furlong among 1,405 adult health nurse practitioner records in California

Kathleen Marie Furlong, NP is one of 1,405 adult health nurse practitioner records with a practice address in California. 56% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 47% of them.

  • NPI issued2012 · 47% of these records are older, 48% newer
  • In a Medicare fileYes · 56% of these records are
  • In the CMS Doctors and Clinicians fileYes · 31% of these records are
  • Graduated1995 · median 2013 among the 441 with a school on file
  • Record last updated2021 · 62% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LA2200X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Adult Health Nurse Practitioner providers in California

There are 1,405 adult health nurse practitioner records in California.

All 1,405 in California → Every provider in Mission Viejo → Adult Health Nurse Practitioner nationwide →

The 8 adult health nurse practitioner records with the nearest ZIP codes

  1. Peggy Kirkwood, RN,NPMission Viejo, CA 926911740268721
  2. Sheri Sameni, NPMission Viejo, CA 926911487955571
  3. Catherine McAdams-Ortiz, MSN, A/GNPIrvine, CA 926971760667554
  4. Hiroko Moriguchi, NPWestminster, CA 926831033509708
  5. Thuy Phuong Trinh, NPWestminster, CA 926831982096186
  6. Gerardo De Jesus, NPSanta Ana, CA 927031003180498
  7. James Miller, AGNP-CCoto De Caza, CA 926791285386789
  8. James AgatepSanta Ana, CA 927041578939153

Common questions

What is Kathleen Marie Furlong, NP's NPI number?

Kathleen Marie Furlong, NP's National Provider Identifier (NPI) is 1205101987, issued on Mar 14, 2012. An NPI identifies a provider in billing; it is not a license.

Where is Kathleen Marie Furlong, NP located?

The NPPES record lists a practice address at 26800 Crown Valley Pkwy, Mission Viejo, CA, 92691. Phone: (949) 542-8002. Providers update this record themselves, so call before visiting.

How can I verify Kathleen Marie Furlong, NP's license?

NPPES lists California license number 579745, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Kathleen Marie Furlong, NP prescribe under Medicare Part D?

In 2024, Kathleen Marie Furlong, NP had 1,082 Medicare Part D claims for 250 beneficiaries; the average among adult health nurse practitioner prescribers was 1,280. 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.