David Farrell Armstrong, D.O
Cardiovascular Disease Physician · Glen Ridge, NJ
David Farrell Armstrong, D.O is a cardiovascular disease physician with a practice address in Glen Ridge, New Jersey, and NPI 1134353964, issued on May 7, 2009. Check the license (New Jersey 25MB10360600, as entered in NPPES) on the New Jersey State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- David Farrell Armstrong
- Credential
- D.O
- Primary taxonomy
- Cardiovascular Disease Physician 207RC0000X
- License numbers
- 25MB10360600 NJ
269416-1 NY
Self-reported in NPPES; status is on the state search - Practice location
- 123 Highland Ave Ste 302, Glen Ridge, NJ 07028
- Phone
- (973) 748-9555
- Enumerated
- May 7, 2009
- Record last updated
- Jun 28, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (973) 748-2003
- Medicare enrollment
- Enrolled (PECOS I20180726000458); accepts Medicare assignment
- Medical or professional school
- New York College Of Osteo Medicine Of New York Institute Of Technology, 2009
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest cardiovascular disease physician records → All 1,102 in New Jersey → Look up another NPI →
Verify David Farrell 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 25MB10360600Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
18% fewer Medicare Part D claims than the average cardiovascular disease physician in 2024
2,510 Medicare Part D claims for 347 beneficiaries, against an average of 3,078 among the 20,728 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims.
Most prescribed
- Atorvastatin Calcium414 claims
- Eliquis254 claims
- Amlodipine Besylate215 claims
- Metoprolol Succinate204 claims
- Losartan Potassium161 claims
- Rosuvastatin Calcium136 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): 75.8 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: $246.07
13 payments; by number, the most common kind was food and beverage; the largest payer was Novartis Pharmaceuticals Corporation. The 16,686 providers of this specialty with any payment received $3,819.56 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
- Hackensack Meridian Health Medical Group - Specialty Care PCHackensack, NJ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
David Farrell Armstrong among 1,102 cardiovascular disease physician records in New Jersey
David Farrell Armstrong, D.O is one of 1,102 cardiovascular disease physician records with a practice address in New Jersey. 87% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 75% of them.
- NPI issued2009 · 75% of these records are older, 23% newer
- In a Medicare fileYes · 87% of these records are
- In the CMS Doctors and Clinicians fileYes · 76% of these records are
- Graduated2009 · median 1997 among the 833 with a school on file
- Record last updated2018 · 64% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0000X and a New Jersey practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
11 cardiovascular disease physician records list a practice address in Glen Ridge
They are 11 of the 169 NPPES records with a practice address in Glen Ridge, and 1,102 cardiovascular disease physician records in New Jersey.
All 1,102 in New Jersey → Every provider in Glen Ridge → Cardiovascular Disease Physician nationwide →
The 8 cardiovascular disease physician records with the nearest ZIP codes
- Carlos Alfonso, MDGlen Ridge, NJ 070281801864061
- Bart Degregorio, MDGlen Ridge, NJ 070281245205558
- Joseph Degregorio, MDGlen Ridge, NJ 070281023086691
- Christopher Di Giorgio, MDGlen Ridge, NJ 070281548575137
- Khaula Khalid, DOGlen Ridge, NJ 070281164698445
- Dusan Knezevic, MDGlen Ridge, NJ 070281023062866
- Domenic Mariano, DOGlen Ridge, NJ 070281457327975
- Alan Saroff, MDGlen Ridge, NJ 070281982658613
Common questions
What is David Farrell Armstrong, D.O's NPI number?
David Farrell Armstrong, D.O's National Provider Identifier (NPI) is 1134353964, issued on May 7, 2009. An NPI identifies a provider in billing; it is not a license.
Where is David Farrell Armstrong, D.O located?
The NPPES record lists a practice address at 123 Highland Ave Ste 302, Glen Ridge, NJ, 07028. Phone: (973) 748-9555. Providers update this record themselves, so call before visiting.
How can I verify David Farrell Armstrong, D.O's license?
NPPES lists New Jersey license number 25MB10360600, 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 David Farrell Armstrong, D.O prescribe under Medicare Part D?
In 2024, David Farrell Armstrong, D.O had 2,510 Medicare Part D claims for 347 beneficiaries; the average among cardiovascular disease physician prescribers was 3,078. Part D covers Medicare prescriptions only.
What is David Farrell Armstrong, D.O's MIPS final score?
The 2023 MIPS final score is 75.8 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.