Dr. Patrick Armstrong, MD
- Medicare services, 2024
- 292
- Medicare patients, 2024
- 351
- Hospital affiliations
- 2
- Industry payments
- $1,201
- Medical groups
- 2
- Practice address
- 100 Madison Ave, Morristown, NJ 07962
- Practice phone
- Call (973) 971-5450
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Armstrong's professional email, personal email and mobile number
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Dr. Patrick Armstrong is an anesthesiologist in Morristown, New Jersey
Dr. Armstrong practices at Morristown Medical Center in Morristown, New Jersey, part of Atlantic Health System.
Dr. Armstrong's NPI, 1255451639, was assigned on March 30, 2007. Dr. Armstrong graduated from Northwestern University Feinberg Medical School in 2005. Dr. Armstrong holds North Carolina license 2009-00473.
- NPI
- 1255451639NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7113070079
- NPI enumeration date
- March 30, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (973) 971-5450
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 47
- Medical school graduation
- 2005
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Patrick Armstrong practices at Morristown Medical Center in Morristown, New Jersey
Dr. Armstrong's primary practice is Morristown Medical Center, at 100 Madison Ave, Morristown, NJ 07962 in Morris County. The practice phone is (973) 971-5450.
- Morristown Medical Center100 Madison Ave, Morristown, NJ 07962 · Morris CountyPhone(973) 971-5450
Source: Dmand AI Affiliation Data
Dr. Patrick Armstrong is affiliated with 3 sites of care and 2 medical groups
Dr. Armstrong's primary practice is Morristown Medical Center in Morristown, New Jersey, part of Atlantic Health System. Dr. Armstrong is also affiliated with Hackettstown Medical Center. The medical group on file is Anesthesia Associates of Morristown. Dmand AI also links Dr. Armstrong to 1 more group practice or clinic and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Patrick Armstrong's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Armstrong practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Morristown Medical Center | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Patrick Armstrong is one of 1,613 anesthesiologists in New Jersey
Anesthesiology is Dr. Armstrong's primary specialty in the NPI Registry, under taxonomy code 207L00000X. Dmand AI has Dr. Armstrong's licenses on file in 2 states: North Carolina and Michigan.
Specialties and state licenses
- Anesthesiology, North CarolinaPrimary
- Student in an organized health care education/training program, Michigan
Anesthesiologists near Dr. Armstrong
Counts of anesthesiologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Patrick Armstrong billed Medicare for 292 services in 2024
CMS data shows 292 Medicare services from Dr. Armstrong across 11 procedure codes in 2024, for 351 Medicare patients. Medicare paid $27,284 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Armstrong's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Anesthesia
- 2023: 1792024: 1724%
- Surgery
- 2023: 1042024: 12015%
- Imaging
- 2023: 412024: 0100%
Dr. Armstrong compared with the New Jersey median for anesthesiologists, 2024
- Dr. Armstrong
- New Jersey median
- Medicare services
- 292vs 923.2 times
- Medicare patients
- 351vs 1692.1 times
Medians across 1,604 anesthesiologists in New Jersey with Dmand AI profiles that report each measure.
Dr. Armstrong's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Armstrong and other anesthesiologists in New Jersey.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Patrick Armstrong treated 351 Medicare patients in 2024, average age 74
CMS counts 351 Medicare patients who saw Dr. Armstrong in 2024. The largest group is 65 to 74, with 169 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 7% are also on Medicaid. Their average risk score is 1.40, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Armstrong's median patient age at 67, with 49% women.
Dr. Armstrong's Medicare patients by age, 2024
Dr. Armstrong's Medicare patients by sex, 2024
- Women19556%
- Men15644%
Chronic conditions among Dr. Armstrong's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis65%
- Ischemic heart disease40%
- Anxiety33%
- Mood disorders33%
- Cancer28%
- Depression28%
Share of Medicare patients with each condition. A patient can have several.
Dr. Armstrong's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 67
Patient panel by sex, all payers
- Women49%
- Men48%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How Dr. Patrick Armstrong takes part in Medicare
Dr. Armstrong accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Patrick Armstrong received $1,201 in industry payments from 2016 to 2025
CMS Open Payments shows 66 general payments to Dr. Armstrong from 17 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 99% of the total. Janssen Pharmaceuticals, Inc paid the most, $360.
General payments to Dr. Armstrong by program year, 2016 to 2025
General payments to Dr. Armstrong by kind, 2016 to 2025
- Food and beverage$1,18599%
- Education$161%
Companies that paid Dr. Armstrong the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Patrick Armstrong graduated from Northwestern University Feinberg Medical School
Dr. Armstrong graduated from Northwestern University Feinberg Medical School in 2005.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Patrick Armstrong's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Patrick Armstrong
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Patrick Armstrong's NPI number?
Dr. Patrick Armstrong's NPI number is 1255451639. It was assigned on March 30, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Patrick Armstrong?
Dr. Patrick Armstrong is an anesthesiologist in Morristown, New Jersey. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).
Where does Dr. Patrick Armstrong practice?
Dr. Armstrong practices at 100 Madison Ave, Morristown, NJ 07962. Dr. Armstrong's primary practice is Morristown Medical Center in Morristown, New Jersey, part of Atlantic Health System. Dmand AI also links Dr. Armstrong to 1 group practice or clinic and 1 medical group.
What is Dr. Patrick Armstrong's office phone number?
The practice phone on file for Dr. Armstrong is (973) 971-5450.
What is Dr. Patrick Armstrong's medical license number?
Dr. Armstrong holds North Carolina license 2009-00473, one of the licenses on file in 2 states.
Which states has Dr. Patrick Armstrong been licensed in?
Dmand AI has state licenses on file for Dr. Armstrong in North Carolina and Michigan.
Which hospitals is Dr. Patrick Armstrong affiliated with?
Dr. Armstrong practices at Morristown Medical Center in Morristown, New Jersey. Dr. Armstrong is also affiliated with Hackettstown Medical Center.
What medical group is Dr. Patrick Armstrong part of?
Dr. Armstrong is linked to Anesthesia Associates of Morristown. Dmand AI links Dr. Armstrong to 1 more medical group.
Does Dr. Patrick Armstrong accept Medicare?
Yes. CMS data shows Dr. Armstrong billed Medicare for 292 services in 2024, and Dr. Armstrong accepts Medicare assignment.
How many Medicare patients does Dr. Patrick Armstrong see?
CMS counts 351 Medicare patients who saw Dr. Armstrong in 2024, with an average age of 74.
Show 4 more questionsShow fewer questions
What services does Dr. Patrick Armstrong bill to Medicare?
In 2024, Dr. Armstrong's most billed Medicare services were surgery: brain, spine and nerves (64447), surgery: brain, spine and nerves (64450) and anesthesia (01402).
Where did Dr. Patrick Armstrong go to medical school?
Dr. Armstrong graduated from Northwestern University Feinberg Medical School in 2005.
Has Dr. Patrick Armstrong received payments from drug or device companies?
CMS Open Payments shows $1,201 in general payments to Dr. Armstrong from 17 companies from 2016 to 2025. The largest total came from Janssen Pharmaceuticals, Inc.
How long has Dr. Patrick Armstrong been practicing?
Dr. Armstrong graduated from medical school in 2005, 21 years ago.
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