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Dr. Tamara Marie Armstrong, MD
NPI1205369535PAC ID1557769833
- Medicare services, 2024
- 135
- Medicare patients, 2024
- 88
- Part D claims, 2024
- 82
- Publications
- 1
- Hospital affiliations
- 2
- Practice address
- 1930 E Thomas Rd, Phoenix, AZ 85016
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Abrazo Arizona Heart Hospital - HOPD
Acute Care Hospital outpatient department · Phoenix, Arizona
Find Dr. Armstrong's professional email, personal email and mobile number
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Dr. Tamara Marie Armstrong is an emergency medicine physician in Phoenix, Arizona
Dr. Armstrong practices at Abrazo Arizona Heart Hospital - HOPD in Phoenix, Arizona.
Dr. Armstrong's NPI, 1205369535, was assigned on April 4, 2017. Dr. Armstrong holds Arizona license 57644.
NPI and contact details
- NPI
- 1205369535NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1557769833
- NPI enumeration date
- April 4, 2017
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 35
- Medical school graduation
- 2017
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Tamara Marie Armstrong practices at Abrazo Arizona Heart Hospital - HOPD in Phoenix, Arizona
Dr. Armstrong's primary practice is Abrazo Arizona Heart Hospital - HOPD, at 1930 E Thomas Rd, Phoenix, AZ 85016.
- Abrazo Arizona Heart Hospital - HOPD1930 E Thomas Rd, Phoenix, AZ 85016
Source: Dmand AI Affiliation Data
Dr. Tamara Marie Armstrong is affiliated with 3 sites of care and 1 medical group
Dr. Armstrong's primary practice is Abrazo Arizona Heart Hospital - HOPD in Phoenix, Arizona. Dr. Armstrong is also affiliated with Valleywise Health Medical Center. The medical group on file is Emergency Group of Arizona. Dmand AI also links Dr. Armstrong to 1 more hospital, named with a free account.
Abrazo Arizona Heart Hospital - HOPDPrimary
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Tamara Marie 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 |
|---|---|
| Abrazo Arizona Heart Hospital - HOPD | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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Dr. Tamara Marie Armstrong is one of 1,360 emergency medicine physicians in Arizona
Emergency medicine is Dr. Armstrong's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Armstrong is licensed in Arizona.
Specialties and state licenses
- Emergency medicine, ArizonaPrimary
Emergency medicine physicians near Dr. Armstrong
Counts of emergency medicine physicians 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. Tamara Marie Armstrong billed Medicare for 135 services in 2024
CMS data shows 135 Medicare services from Dr. Armstrong across 2 procedure codes in 2024, for 88 Medicare patients. Medicare paid $10,556 for them. Every service was in a facility, such as a hospital, rather than an office.
Medicare services, 2024135
Medicare patients88
Paid by Medicare$10,556
Procedure codes2
Dr. Armstrong's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1262024: 7838%
- Tests and treatments
- 2023: 572024: 57No change
Dr. Armstrong compared with the Arizona median for emergency medicine physicians, 2024
- Dr. Armstrong
- Arizona median
- Medicare services
- 135vs 21638% below
- Medicare patients
- 88vs 21058% below
- Part D claims
- 12vs 5076% below
Medians across 1,326 emergency medicine physicians in Arizona 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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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Tamara Marie Armstrong treated 88 Medicare patients in 2024, average age 75
CMS counts 88 Medicare patients who saw Dr. Armstrong in 2024. The largest group is 75 to 84, with 36 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 18% are also on Medicaid. Their average risk score is 1.75, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Armstrong's median patient age at 52, with 52% women.
Medicare patients, 202488
Average age75
Average risk score1.75
Also on Medicaid18%
Dr. Armstrong's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Armstrong's Medicare patients by sex, 2024
- Women4753%
- Men4147%
Chronic conditions among Dr. Armstrong's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease67%
- Arthritis57%
- Chronic kidney disease48%
- Atrial fibrillation44%
- Heart failure43%
- Anxiety42%
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 52
Patient panel by sex, all payers
- Women52%
- Men45%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Tamara Marie Armstrong wrote 82 Medicare Part D claims in 2024
In 2024, Dr. Armstrong wrote 82 Medicare Part D claims for 39 patients. 91% of them were for generic drugs. CMS names the drug for 12 of them, across 1 drug with 11 or more claims each, at $52 in total drug cost.
Part D claims, 202482
Drugs named by CMS1
Total drug cost$52
Part D patients39
Dr. Armstrong's Part D claims by kind of drug, 2024
- Generic75 claims91%
- Brand-name and other7 claims9%
Dr. Armstrong's most prescribed drugs by claims, 2022
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Armstrong's Part D claims, 2024
- Opioids13%11 of 82 claims
- Antibiotics18%15 of 82 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. Tamara Marie 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. Tamara Marie Armstrong has 1 publication on record
Dmand AI links 1 paper to Dr. Armstrong in 2018. Dr. Armstrong's most frequent co-author is Sarah Nicole Bodine, MD.
Papers1
Dr. Armstrong's most frequent co-authors
Recent publications by Dr. Armstrong
See who Dr. Armstrong researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Armstrong works with, so you can find a warm path to the right emergency medicine physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Sources for Dr. Tamara Marie 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 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) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - 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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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. Tamara Marie 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. Tamara Marie Armstrong's NPI number?
Dr. Tamara Marie Armstrong's NPI number is 1205369535. It was assigned on April 4, 2017, and it is active in the NPI Registry.
What kind of doctor is Dr. Tamara Marie Armstrong?
Dr. Tamara Marie Armstrong is an emergency medicine physician in Phoenix, Arizona. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Tamara Marie Armstrong practice?
Dr. Armstrong practices at 1930 E Thomas Rd, Phoenix, AZ 85016. Dr. Armstrong's primary practice is Abrazo Arizona Heart Hospital - HOPD in Phoenix, Arizona. Dmand AI also links Dr. Armstrong to 1 hospital.
What is Dr. Tamara Marie Armstrong's medical license number?
Dr. Armstrong holds Arizona license 57644.
Which hospitals is Dr. Tamara Marie Armstrong affiliated with?
Dr. Armstrong is affiliated with Valleywise Health Medical Center. Dmand AI links Dr. Armstrong to 1 more hospital.
What medical group is Dr. Tamara Marie Armstrong part of?
Dr. Armstrong is linked to Emergency Group of Arizona.
Does Dr. Tamara Marie Armstrong accept Medicare?
Yes. CMS data shows Dr. Armstrong billed Medicare for 135 services in 2024, and Dr. Armstrong accepts Medicare assignment.
How many Medicare patients does Dr. Tamara Marie Armstrong see?
CMS counts 88 Medicare patients who saw Dr. Armstrong in 2024, with an average age of 75.
What services does Dr. Tamara Marie Armstrong bill to Medicare?
In 2024, Dr. Armstrong's most billed Medicare services were emergency department visit (99285) and heart test or procedure (93010).
What drugs does Dr. Tamara Marie Armstrong prescribe most?
In 2022 Medicare Part D data, Dr. Armstrong's most prescribed drugs by claims were Hydrocodone-Acetaminophen.
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How long has Dr. Tamara Marie Armstrong been practicing?
Dr. Armstrong graduated from medical school in 2017, 9 years ago.
Does Dr. Tamara Marie Armstrong do research?
Dmand AI links 1 publication to Dr. Armstrong.
Who does Dr. Tamara Marie Armstrong publish with?
Dr. Armstrong's most frequent co-authors are Sarah Nicole Bodine, MD (1 shared paper).
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