Lisa Kay Armstrong, M.D.
Emergency Medicine Physician · Morristown, NJ
Lisa Kay Armstrong, M.D. is an emergency medicine physician with a practice address in Morristown, New Jersey, and NPI 1942481536, issued on Nov 24, 2007. Check the license (New Jersey 25MA08323400, as entered in NPPES) on the New Jersey State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Lisa Kay Armstrong
- Credential
- M.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 25MA08323400 NJ
Self-reported in NPPES; status is on the state search - Practice location
- 100 Madison Ave, Morristown, NJ 07960
- Phone
- (973) 971-7926
- Enumerated
- Nov 24, 2007
- Record last updated
- Apr 20, 2010 (not updated in 16 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20080325000483); accepts Medicare assignment
- Medical or professional school
- Rutgers New Jersey Medical School, 2004
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 1,754 in New Jersey → Look up another NPI →
Also registered at 100 Madison Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Ahmed Abdelhalim, MDInternal Medicine Physician1104386051
- Bavly Abdelmesih, MDStudent in an Organized Health Care Education/Training Program1932901378
- Fatema Abdulhussein, MDStudent in an Organized Health Care Education/Training Program1235514274
- Arkadiy Abkin, MDAnesthesiology Physician1316928666
Verify Lisa Kay Armstrong in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNew Jersey State Board of Medical Examiners
Search for license 25MA08323400Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
39% fewer Medicare Part D claims than the average emergency medicine physician in 2024
138 Medicare Part D claims for 104 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 11 claims were for opioids.
Most prescribed
- Cephalexin25 claims
- Prednisone17 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: $669.53
7 payments; by number, the most common kind was food and beverage; the largest payer was Mindray DS USA, Inc. The 12,335 providers of this specialty with any payment received $953.79 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.
Bills Medicare through one group practice
- Rwjbh Emergency Medicine Associates, LLCElizabeth, NJ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Lisa Kay Armstrong among 1,754 emergency medicine physician records in New Jersey
Lisa Kay Armstrong, M.D. is one of 1,754 emergency medicine physician records with a practice address in New Jersey. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 39% of them.
- NPI issued2007 · 39% of these records are older, 55% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 67% of these records are
- Graduated2004 · median 2011 among the 1,167 with a school on file
- Record last updated2010 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a New Jersey practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
84 emergency medicine physician records list a practice address in Morristown
They are 84 of the 2,942 NPPES records with a practice address in Morristown, and 1,754 emergency medicine physician records in New Jersey.
All 1,754 in New Jersey → Every provider in Morristown → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Marilyn Althoff, M.D.Morristown, NJ 079601013966217
- Christopher Amato, MDMorristown, NJ 079601407897721
- Jaroslaw Bilaniuk, MDMorristown, NJ 079601295700417
- Glenn Birnbaum, MDMorristown, NJ 079601679517395
- Dennis Cochrane, M.D.Morristown, NJ 079601922057132
- Louis Difazio, MDMorristown, NJ 079601376510032
- Frederick Fiesseler, D.O.Morristown, NJ 079601033177415
- Michael Gerardi, MDMorristown, NJ 079601194763425
Common questions
What is Lisa Kay Armstrong, M.D.'s NPI number?
Lisa Kay Armstrong, M.D.'s National Provider Identifier (NPI) is 1942481536, issued on Nov 24, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Lisa Kay Armstrong, M.D. located?
The NPPES record lists a practice address at 100 Madison Ave, Morristown, NJ, 07960. Phone: (973) 971-7926. Providers update this record themselves, so call before visiting.
How can I verify Lisa Kay Armstrong, M.D.'s license?
NPPES lists New Jersey license number 25MA08323400, as entered by the provider. Search the New Jersey State Board of Medical Examiners at https://newjersey.mylicense.com/verification/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Lisa Kay Armstrong, M.D. prescribe under Medicare Part D?
In 2024, Lisa Kay Armstrong, M.D. had 138 Medicare Part D claims for 104 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.