Dr. John Alexis, MD
- Medicare services, 2024
- 1,030
- Medicare patients, 2024
- 421
- Publications
- 30
- Hospital affiliations
- 1
- Industry payments
- $456
- Practice address
- 4300 Alton Rd, Miami Beach, FL 33140
- Practice phone
- Call (305) 674-2121
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Alexis' 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. John Alexis is a clinical pathology/laboratory medicine physician in Miami Beach, Florida
Dr. Alexis practices at Mount Sinai Medical Center in Miami Beach, Florida, part of Mount Sinai Medical Center of Florida.
Dr. Alexis' NPI, 1215902143, was assigned on February 22, 2006. Dr. Alexis graduated from Medical School, University of Edinburgh in 1984. Dr. Alexis holds Florida license ME55071.
- NPI
- 1215902143NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9436274024
- NPI enumeration date
- February 22, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (305) 674-2121
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 68
- Medical school graduation
- 1984
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. John Alexis practices at Mount Sinai Medical Center in Miami Beach, Florida
Dr. Alexis' primary practice is Mount Sinai Medical Center, at 4300 Alton Rd, Miami Beach, FL 33140 in Miami-Dade County. The practice phone is (305) 674-2121.
- Mount Sinai Medical Center4300 Alton Rd, Miami Beach, FL 33140 · Miami-Dade CountyPhone(305) 674-2121
Source: Dmand AI Affiliation Data
Dr. John Alexis is affiliated with 1 site of care and 1 medical group
Dr. Alexis' primary practice is Mount Sinai Medical Center in Miami Beach, Florida, part of Mount Sinai Medical Center of Florida. The medical group on file is A M Rywlin & Associates.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. John Alexis' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Alexis practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Mount Sinai Medical Center | 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 Mount Sinai Medical Center of Florida and 6.2K+ hospitals, with verified contacts in the same login.
Dr. John Alexis is one of 69 clinical pathology/laboratory medicine physicians in Florida
Clinical pathology/laboratory medicine is Dr. Alexis' primary specialty in the NPI Registry, under taxonomy code 207ZP0105X. Dr. Alexis is board certified in anatomic pathology & clinical pathology by the American Board of Pathology. Dr. Alexis is licensed in Florida.
Specialties and state licenses
- Clinical pathology/laboratory medicine, FloridaPrimary
Clinical pathology/laboratory medicine physicians near Dr. Alexis
Counts of clinical pathology/laboratory 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. John Alexis billed Medicare for 1,030 services in 2024
CMS data shows 1,030 Medicare services from Dr. Alexis across 13 procedure codes in 2024, for 421 Medicare patients. Medicare paid $31,486 for them.
Dr. Alexis' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Lab and pathology
- 2023: 9162024: 1,01511%
- Other services
- 2023: 02024: 15
Where Dr. Alexis' Medicare services took place, 2024
- In an office394%
- In a facility99196%
Dr. Alexis compared with the Florida median for clinical pathology/laboratory medicine physicians, 2024
- Dr. Alexis
- Florida median
- Medicare services
- 1,030vs 1,31922% below
- Medicare patients
- 421vs 48613% below
Medians across 51 clinical pathology/laboratory medicine physicians in Florida with Dmand AI profiles that report each measure.
Dr. Alexis' 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.
Need commercial claims for Dr. Alexis?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Alexis and other clinical pathology/laboratory medicine physicians in Florida.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. John Alexis treated 421 Medicare patients in 2024, average age 75
CMS counts 421 Medicare patients who saw Dr. Alexis in 2024. The largest group is 65 to 74, with 190 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 19% are also on Medicaid. Their average risk score is 1.62, 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. Alexis' median patient age at 62, with 50% women.
Dr. Alexis' Medicare patients by age, 2024
Dr. Alexis' Medicare patients by sex, 2024
- Women18444%
- Men23756%
Chronic conditions among Dr. Alexis' Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis50%
- Ischemic heart disease43%
- Cancer32%
- Mood disorders31%
- Anxiety30%
- Chronic kidney disease30%
Share of Medicare patients with each condition. A patient can have several.
Dr. Alexis' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 62
Patient panel by sex, all payers
- Women50%
- Men48%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How Dr. John Alexis takes part in Medicare
Dr. Alexis 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)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. John Alexis has 30 publications on record
Dmand AI links 30 papers to Dr. Alexis, published from 2015 to 2024. 2019 was the busiest year, with 3. The most frequent topics are Immunohistochemistry, Diagnosis, Differential and Skin Neoplasms. Dr. Alexis has published most often in Arch Pathol Lab Med. Dr. Alexis' most frequent co-authors are Hisham Bahmad, Robert Poppiti, MD and Jeffrey Dean Alexis, MD.
Dr. Alexis' papers by year, 2015 to 2024
Topics Dr. Alexis writes about most
- Immunohistochemistry
- Diagnosis, Differential
- Skin Neoplasms
- Melanoma
- Biomarkers, Tumor
- Cysts
- Neoplasm Proteins
- Gene Expression Regulation, Neoplastic
Dr. Alexis' most frequent co-authors
- Hisham Bahmad5 shared papers
- Robert Poppiti, MD4 shared papers
- Jeffrey Dean Alexis, MD2 shared papers
Recent publications by Dr. Alexis
Pathol Res Pract
See who Dr. Alexis researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Alexis works with, so you can find a warm path to the right clinical pathology/laboratory medicine physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. John Alexis received $456 in industry payments from 2016 to 2024
CMS Open Payments shows 24 general payments to Dr. Alexis from 14 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 100% of the total. Amgen Inc. paid the most, $98.
General payments to Dr. Alexis by program year, 2016 to 2024
Companies that paid Dr. Alexis the most, 2016 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. John Alexis graduated from Medical School, University of Edinburgh
Dr. Alexis graduated from Medical School, University of Edinburgh in 1984.
- Medical school
- Board certified in anatomic pathology & clinical pathology
- Board certified in dermatopathology
Source: Dmand AI Professional Profile Data
Dr. John Alexis accepts plans from 2 insurance carriers
Dr. Alexis is in network with 2 carriers, including Excellus BlueCross BlueShield and CMS Medicare. Medicare plans come from the most carriers, 2. Check the plan with the practice before a visit.
- Excellus BlueCross BlueShield
- CMS Medicare
Plan types Dr. Alexis accepts, by number of carriers
- Medicare2
- EPO1
- HMO1
- POS1
- PPO1
Source: Dmand AI Insurance Network Data
Sources for Dr. John Alexis'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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network 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. John Alexis
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. John Alexis' NPI number?
Dr. John Alexis' NPI number is 1215902143. It was assigned on February 22, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. John Alexis?
Dr. John Alexis is a clinical pathology/laboratory medicine physician in Miami Beach, Florida. The primary specialty in the NPI Registry is Clinical Pathology/Laboratory Medicine Physician (taxonomy code 207ZP0105X).
Where does Dr. John Alexis practice?
Dr. Alexis practices at 4300 Alton Rd, Miami Beach, FL 33140. Dr. Alexis' primary practice is Mount Sinai Medical Center in Miami Beach, Florida, part of Mount Sinai Medical Center of Florida.
What is Dr. John Alexis' office phone number?
The practice phone on file for Dr. Alexis is (305) 674-2121.
What is Dr. John Alexis' medical license number?
Dr. Alexis holds Florida license ME55071.
Which hospitals is Dr. John Alexis affiliated with?
Dr. Alexis practices at Mount Sinai Medical Center in Miami Beach, Florida.
What medical group is Dr. John Alexis part of?
Dr. Alexis is linked to A M Rywlin & Associates.
Does Dr. John Alexis accept Medicare?
Yes. CMS data shows Dr. Alexis billed Medicare for 1,030 services in 2024, and Dr. Alexis accepts Medicare assignment.
How many Medicare patients does Dr. John Alexis see?
CMS counts 421 Medicare patients who saw Dr. Alexis in 2024, with an average age of 75.
Is Dr. John Alexis board certified?
Yes. Dr. Alexis is board certified in anatomic pathology & clinical pathology by the American Board of Pathology.
Show 7 more questionsShow fewer questions
What services does Dr. John Alexis bill to Medicare?
In 2024, Dr. Alexis' most billed Medicare services were lab and pathology test (88305), lab and pathology test (88341) and lab and pathology test (88304).
Where did Dr. John Alexis go to medical school?
Dr. Alexis graduated from Medical School, University of Edinburgh in 1984.
Has Dr. John Alexis received payments from drug or device companies?
CMS Open Payments shows $456 in general payments to Dr. Alexis from 14 companies from 2016 to 2024. The largest total came from Amgen Inc.
How long has Dr. John Alexis been practicing?
Dr. Alexis graduated from medical school in 1984, 42 years ago.
Does Dr. John Alexis do research?
Dmand AI links 30 publications to Dr. Alexis, published from 2015 to 2024.
Who does Dr. John Alexis publish with?
Dr. Alexis' most frequent co-authors are Hisham Bahmad (5 shared papers), Robert Poppiti, MD (4 shared papers) and Jeffrey Dean Alexis, MD (2 shared papers).
What insurance does Dr. John Alexis accept?
Dr. Alexis is in network with 2 carriers, including Excellus BlueCross BlueShield and CMS Medicare. Medicare plans come from the most carriers, 2. Check the plan with the practice before a visit.
Selling to clinical pathology/laboratory medicine practices?
See clinical pathology/laboratory medicine physicians in Florida by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card