Dr. Amy R. MacKenzie, MD
- Medicare services, 2024
- 802
- Medicare patients, 2024
- 401
- Part D claims, 2024
- 622
- Hospital affiliations
- 2
- Industry payments
- $309
- Practice address
- 111 South 11th Street, Philadelphia, PA 19107
- Practice phone
- Call (215) 955-6000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. MacKenzie's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Amy R. MacKenzie is an internist in Philadelphia, Pennsylvania
Dr. MacKenzie practices at Thomas Jefferson University Hospital in Philadelphia, Pennsylvania, part of Thomas Jefferson University.
Dr. MacKenzie's NPI, 1992944912, was assigned on February 14, 2009. Dr. MacKenzie holds Pennsylvania license MD437425.
- NPI
- 1992944912NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0042363327
- NPI enumeration date
- February 14, 2009
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (215) 955-6000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- 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. Amy R. MacKenzie practices at Thomas Jefferson University Hospital in Philadelphia, Pennsylvania
Dr. MacKenzie's primary practice is Thomas Jefferson University Hospital, at 111 South 11th Street, Philadelphia, PA 19107 in Philadelphia County. The practice phone is (215) 955-6000.
- Thomas Jefferson University Hospital111 South 11th Street, Philadelphia, PA 19107 · Philadelphia CountyPhone(215) 955-6000
Source: Dmand AI Affiliation Data
Dr. Amy R. MacKenzie is affiliated with 3 sites of care and 3 medical groups
Dr. MacKenzie's primary practice is Thomas Jefferson University Hospital in Philadelphia, Pennsylvania, part of Thomas Jefferson University. Dr. MacKenzie is also affiliated with Jefferson Abington Hospital. The medical group on file is Jefferson University Physicians. Dmand AI also links Dr. MacKenzie to 2 more medical groups and 1 group practice or clinic, 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. Amy R. MacKenzie's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. MacKenzie practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Thomas Jefferson University Hospital | Available with a free account |
| +2 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Thomas Jefferson University and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Amy R. MacKenzie is one of 5,665 internists in Pennsylvania
Internal medicine is Dr. MacKenzie's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. MacKenzie is licensed in Pennsylvania.
Specialties and state licenses
- Internal medicine, PennsylvaniaPrimary
Internists near Dr. MacKenzie
Counts of internists 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. Amy R. MacKenzie billed Medicare for 802 services in 2024
CMS data shows 802 Medicare services from Dr. MacKenzie across 9 procedure codes in 2024, for 401 Medicare patients. Medicare paid $69,672 for them.
Dr. MacKenzie's Medicare services by type, 2024
- Office and hospital visits761
- Other services41
Where Dr. MacKenzie's Medicare services took place, 2024
- In an office69687%
- In a facility10613%
Dr. MacKenzie compared with the Pennsylvania median for internists, 2024
- Dr. MacKenzie
- Pennsylvania median
- Medicare services
- 802vs 41792% above
- Medicare patients
- 401vs 1852.2 times
- Part D claims
- 462vs 2242.1 times
Medians across 5,518 internists in Pennsylvania with Dmand AI profiles that report each measure.
Dr. MacKenzie'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. MacKenzie and other internists in Pennsylvania.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Amy R. MacKenzie treated 401 Medicare patients in 2024, average age 77
CMS counts 401 Medicare patients who saw Dr. MacKenzie in 2024. The largest group is 75 to 84, with 159 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 10% are also on Medicaid. Their average risk score is 1.89, 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. MacKenzie's median patient age at 77, with 73% women.
Dr. MacKenzie's Medicare patients by age, 2024
Dr. MacKenzie's Medicare patients by sex, 2024
- Women26466%
- Men13734%
Chronic conditions among Dr. MacKenzie's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis56%
- Cancer46%
- Chronic kidney disease41%
- Diabetes35%
- Anxiety32%
- Ischemic heart disease30%
Share of Medicare patients with each condition. A patient can have several.
Dr. MacKenzie's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 77
Patient panel by sex, all payers
- Women73%
- Men26%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Amy R. MacKenzie wrote 622 Medicare Part D claims in 2024
In 2024, Dr. MacKenzie wrote 622 Medicare Part D claims for 167 patients. 70% of them were for generic drugs. CMS names the drug for 462 of them, across 12 drugs with 11 or more claims each, at $794,823 in total drug cost.
Dr. MacKenzie's Part D claims by kind of drug, 2024
- Generic438 claims70%
- Brand-name184 claims30%
Dr. MacKenzie's most prescribed drugs by claims, 2024
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. MacKenzie's Part D claims, 2024
- Opioids3%18 of 622 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
Dr. Amy R. MacKenzie offers telehealth to Medicare patients
Dr. MacKenzie accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. MacKenzie as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Amy R. MacKenzie received $309 in industry payments in 2025
CMS Open Payments shows 3 general payments to Dr. MacKenzie from 3 drug and device companies in 2025. Food and beverage make up the largest share, 78% of the total. Janssen Pharmaceuticals, Inc paid the most, $124.
General payments to Dr. MacKenzie by kind, 2025 to 2025
- Food and beverage$24078%
- Education$6822%
Companies that paid Dr. MacKenzie the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Amy R. MacKenzie'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) |
| 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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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. Amy R. MacKenzie
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. Amy R. MacKenzie's NPI number?
Dr. Amy R. MacKenzie's NPI number is 1992944912. It was assigned on February 14, 2009, and it is active in the NPI Registry.
What kind of doctor is Dr. Amy R. MacKenzie?
Dr. Amy R. MacKenzie is an internist in Philadelphia, Pennsylvania. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Amy R. MacKenzie practice?
Dr. MacKenzie practices at 111 South 11th Street, Philadelphia, PA 19107. Dr. MacKenzie's primary practice is Thomas Jefferson University Hospital in Philadelphia, Pennsylvania, part of Thomas Jefferson University. Dmand AI also links Dr. MacKenzie to 2 medical groups and 1 group practice or clinic.
What is Dr. Amy R. MacKenzie's office phone number?
The practice phone on file for Dr. MacKenzie is (215) 955-6000.
What is Dr. Amy R. MacKenzie's medical license number?
Dr. MacKenzie holds Pennsylvania license MD437425.
Which hospitals is Dr. Amy R. MacKenzie affiliated with?
Dr. MacKenzie practices at Thomas Jefferson University Hospital in Philadelphia, Pennsylvania. Dr. MacKenzie is also affiliated with Jefferson Abington Hospital.
What medical group is Dr. Amy R. MacKenzie part of?
Dr. MacKenzie is linked to Jefferson University Physicians. Dmand AI links Dr. MacKenzie to 2 more medical groups.
Does Dr. Amy R. MacKenzie accept Medicare?
Yes. CMS data shows Dr. MacKenzie billed Medicare for 802 services in 2024, and Dr. MacKenzie accepts Medicare assignment.
Does Dr. Amy R. MacKenzie offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. MacKenzie as offering telehealth services.
How many Medicare patients does Dr. Amy R. MacKenzie see?
CMS counts 401 Medicare patients who saw Dr. MacKenzie in 2024, with an average age of 77.
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What services does Dr. Amy R. MacKenzie bill to Medicare?
In 2024, Dr. MacKenzie's most billed Medicare services were office visit, established patient (99214), office visit, established patient (99215) and office visit, new patient (99205).
What drugs does Dr. Amy R. MacKenzie prescribe most?
In 2024 Medicare Part D data, Dr. MacKenzie's most prescribed drugs by claims were Anastrozole, Eliquis and Ibrance.
Has Dr. Amy R. MacKenzie received payments from drug or device companies?
CMS Open Payments shows $309 in general payments to Dr. MacKenzie from 3 companies from 2025 to 2025. The largest total came from Janssen Pharmaceuticals, Inc.
How long has Dr. Amy R. MacKenzie been practicing?
Dr. MacKenzie graduated from medical school in 2005, 21 years ago.
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