Dr. Robert J. Alexander, DO

  • Bethpage, NY
  • Internist
NPI1912956301PAC ID5890770945
Medicare services, 2024
3,446
Medicare patients, 2024
523
Part D claims, 2024
4,379
MIPS score, 2024
93
Industry payments
$198
Practice address
4072 Hempstead Turnpike, Bethpage, NY 11714
Practice phone
Call (516) 876-6000
Professional email
Get professional email
Personal email
Get personal email
Mobile number
Get mobile number
Social profiles

Primary practice

Northwell Healthcare Inc

Bethpage, New York

See all 5 affiliations

Find Dr. Alexander'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.

View contacts for free

Dr. Robert J. Alexander is an internist in Bethpage, New York

Dr. Alexander practices at Northwell Healthcare Inc in Bethpage, New York.

Dr. Alexander's NPI, 1912956301, was assigned on May 10, 2006. Dr. Alexander graduated from New York Institute of Technology College of Osteopathic Medicine - Old Westbury in 1996. Dr. Alexander holds New York license 207736.

NPI and contact details
Medicare PAC ID
5890770945
NPI enumeration date
May 10, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(516) 876-6000
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
56
Medical school graduation
1996

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Robert J. Alexander practices at Northwell Healthcare Inc in Bethpage, New York

Dr. Alexander's primary practice is Northwell Healthcare Inc, at 4072 Hempstead Turnpike, Bethpage, NY 11714 in Nassau County. The practice phone is (516) 876-6000.

  • Northwell Healthcare Inc
    4072 Hempstead Turnpike, Bethpage, NY 11714 · Nassau CountyPhone(516) 876-6000

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Robert J. Alexander is affiliated with 4 sites of care and 1 medical group

Dr. Alexander's primary practice is Northwell Healthcare Inc in Bethpage, New York. The medical group on file is Northwell Health Physician Partners. Dmand AI also links Dr. Alexander to 2 more home health agencies and 1 group practice or clinic, each named with a free account.

See all 5 affiliations for Dr. Alexander

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. Robert J. Alexander's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Alexander practices, 3 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Northwell Healthcare IncAvailable with a free account
+3 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

See the EHR and IT leaders at every site where Dr. Alexander practices

Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.

Dr. Robert J. Alexander is one of 9,643 internists in New York

Internal medicine is Dr. Alexander's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Alexander is board certified in internal medicine by the American Board of Internal Medicine. Dr. Alexander is licensed in New York.

Specialties and state licenses

  • Internal medicine, New YorkPrimaryLicense 207736 · taxonomy 207R00000X

Clinical focus

Dmand AI lists acid reflux, acute skin infection, aneurysm, ankle or foot injury, asthma, atrial fibrillation and flutter, chronic anemia and chronic diabetes among the conditions Dr. Alexander treats.

Internists near Dr. Alexander

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. Robert J. Alexander billed Medicare for 3,446 services in 2024

CMS data shows 3,446 Medicare services from Dr. Alexander across 20 procedure codes in 2024, for 523 Medicare patients. Medicare paid $181,976 for them. Every service was in an office.

Medicare services, 20243,446
Medicare patients523
Paid by Medicare$181,976
Procedure codes20

Dr. Alexander's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Other services
2023: 1,4282024: 1,84229%
Office and hospital visits
2023: 5922024: 6388%
Surgery
2023: 5712024: 5612%
Tests and treatments
2023: 3122024: 3101%
Lab and pathology
2023: 492024: 9594%

Dr. Alexander compared with the New York median for internists, 2024

  • Dr. Alexander
  • New York median
Medicare services
3,446vs 4268.1 times
Medicare patients
523vs 1583.3 times
Part D claims
3,788vs 6226.1 times

Medians across 9,428 internists in New York with Dmand AI profiles that report each measure.

Dr. Alexander'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.

See all procedures by Dr. Alexander

Need commercial claims for Dr. Alexander?

Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Alexander and other internists in New York.

Book a meeting

Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Robert J. Alexander treated 523 Medicare patients in 2024, average age 74

CMS counts 523 Medicare patients who saw Dr. Alexander in 2024. The largest group is 65 to 74, with 262 patients. 75% of them have diabetes, and 75% have high cholesterol. 5% are also on Medicaid. Their average risk score is 0.89, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Alexander's median patient age at 61, with 49% women.

Medicare patients, 2024523
Average age74
Average risk score0.89
Also on Medicaid5%

Dr. Alexander's Medicare patients by age, 2024

Dr. Alexander's Medicare patients by sex, 2024

  • Women28755%
  • Men23645%

Chronic conditions among Dr. Alexander's Medicare patients, 2024

  1. Diabetes75%
  2. High cholesterol75%
  3. High blood pressure63%
  4. Arthritis47%
  5. Ischemic heart disease24%
  6. Cancer18%
  7. Atrial fibrillation14%
  8. Osteoporosis13%

Share of Medicare patients with each condition. A patient can have several.

Dr. Alexander's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 61

Patient panel by sex, all payers

  • Women49%
  • Men48%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Robert J. Alexander wrote 4,379 Medicare Part D claims in 2024

In 2024, Dr. Alexander wrote 4,379 Medicare Part D claims for 548 patients. 92% of them were for generic drugs. CMS names the drug for 3,788 of them, across 78 drugs with 11 or more claims each, at $136,212 in total drug cost. In 2023, CMS named 3,301 claims across 80 drugs.

Part D claims, 20244,379
Drugs named by CMS78
Total drug cost$136,212
Part D patients548

Dr. Alexander's Part D claims by kind of drug, 2024

  • Generic4,009 claims92%
  • Brand-name350 claims8%
  • Other20 claims0%

Dr. Alexander'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. Alexander's Part D claims, 2024

  • Opioids1%45 of 4,379 claims
  • Antibiotics3%128 of 4,379 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 3,3012024: 3,78815%

Drugs named by CMS: 78 in 2024, 80 in 2023.

See all prescribing by Dr. Alexander

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. Robert J. Alexander scored 93 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 93 out of 100 for Dr. Alexander for performance year 2024, reported through an alternative payment model (APM). Dr. Alexander accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Dr. Alexander's MIPS scores, performance year 2024

  • 93of 100Final score
  • 79.8of 100Quality
  • 89of 100Promoting Interoperability
  • 40of 100Improvement Activities

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026

For MedTech and pharma teams

Find internists like Dr. Alexander by procedure volume and prescribing

Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.

Dr. Robert J. Alexander received $198 in industry payments from 2016 to 2023

CMS Open Payments shows 4 general payments to Dr. Alexander from 4 drug and device companies from 2016 to 2023. Food and beverage make up the largest share, 87% of the total. AtriCure, Inc. paid the most, $145.

General payments to Dr. Alexander by program year, 2016 to 2023

General payments to Dr. Alexander by kind, 2016 to 2023

$198in total
  • Food and beverage$17387%
  • Education$2513%

Companies that paid Dr. Alexander the most, 2016 to 2023

Share is of all general payments to this clinician.

See all payments to Dr. Alexander

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Robert J. Alexander graduated from New York Institute of Technology College of Osteopathic Medicine - Old Westbury

Dr. Alexander graduated from New York Institute of Technology College of Osteopathic Medicine - Old Westbury in 1996.

  1. Medical schoolNew York Institute of Technology College of Osteopathic Medicine - Old Westbury
  2. Board certified in internal medicineAmerican Board of Internal Medicine
  3. Board certified in 1997 - 2027NY State License

Source: Dmand AI Professional Profile Data

Dr. Robert J. Alexander accepts plans from 18 insurance carriers

Dr. Alexander is in network with 18 carriers, including Aetna, Elevance and United Healthcare. PPO plans come from the most carriers, 11. Check the plan with the practice before a visit.

Plan types Dr. Alexander accepts, by number of carriers

  1. PPO11
  2. Medicare9
  3. HMO8
  4. EPO5
  5. Medicaid2
  6. POS2

Source: Dmand AI Insurance Network Data

Sources for Dr. Robert J. Alexander's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare 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 percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Robert J. Alexander

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. Robert J. Alexander's NPI number?

Dr. Robert J. Alexander's NPI number is 1912956301. It was assigned on May 10, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Robert J. Alexander?

Dr. Robert J. Alexander is an internist in Bethpage, New York. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).

Where does Dr. Robert J. Alexander practice?

Dr. Alexander practices at 4072 Hempstead Turnpike, Bethpage, NY 11714. Dr. Alexander's primary practice is Northwell Healthcare Inc in Bethpage, New York. Dmand AI also links Dr. Alexander to 2 home health agencies and 1 group practice or clinic.

What is Dr. Robert J. Alexander's office phone number?

The practice phone on file for Dr. Alexander is (516) 876-6000.

What is Dr. Robert J. Alexander's medical license number?

Dr. Alexander holds New York license 207736.

What medical group is Dr. Robert J. Alexander part of?

Dr. Alexander is linked to Northwell Health Physician Partners.

Does Dr. Robert J. Alexander accept Medicare?

Yes. CMS data shows Dr. Alexander billed Medicare for 3,446 services in 2024, and Dr. Alexander accepts Medicare assignment.

What is Dr. Robert J. Alexander's MIPS score?

Dr. Alexander's MIPS final score for performance year 2024 is 93 out of 100, reported through an alternative payment model (APM).

How many Medicare patients does Dr. Robert J. Alexander see?

CMS counts 523 Medicare patients who saw Dr. Alexander in 2024, with an average age of 74.

Is Dr. Robert J. Alexander board certified?

Yes. Dr. Alexander is board certified in internal medicine by the American Board of Internal Medicine.

Show 6 more questionsShow fewer questions

What services does Dr. Robert J. Alexander bill to Medicare?

In 2024, Dr. Alexander's most billed Medicare services were surgery: heart and blood vessels (36415), medicare service (G0442) and medicare service (G0444).

Where did Dr. Robert J. Alexander go to medical school?

Dr. Alexander graduated from New York Institute of Technology College of Osteopathic Medicine - Old Westbury in 1996.

What drugs does Dr. Robert J. Alexander prescribe most?

In 2024 Medicare Part D data, Dr. Alexander's most prescribed drugs by claims were Atorvastatin Calcium, Rosuvastatin Calcium and Amlodipine Besylate.

Has Dr. Robert J. Alexander received payments from drug or device companies?

CMS Open Payments shows $198 in general payments to Dr. Alexander from 4 companies from 2016 to 2023. The largest total came from AtriCure, Inc.

How long has Dr. Robert J. Alexander been practicing?

Dr. Alexander graduated from medical school in 1996, 30 years ago.

What insurance does Dr. Robert J. Alexander accept?

Dr. Alexander is in network with 18 carriers, including Aetna, Elevance and United Healthcare. PPO plans come from the most carriers, 11. Check the plan with the practice before a visit.

Selling to internal medicine practices?

See internists in New York 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

Cookie settings

Turn each category on or off. Your choice is kept for 12 months and you can change it here at any time.

Necessary

Always on. Sign-in, security, downloads you asked for, your cookie choice, and the page that led to a signup.

View cookies (6)
  • dm_consentDmand AI. Your cookie choices and whether your browser sent a Global Privacy Control signal. 12 months.
  • dm_ft, dm_ltDmand AI. The first and the latest page you arrived on, with the date, so a signup is credited to the page that worked. 90 days, 30 days.
  • dm_fs, dm_lsDmand AI. The first and the latest source of a visit (a search engine, a campaign or the site that linked here). 90 days, 30 days.
  • dm_dl, dm_dl_okDmand AI. After you give an email address for a download, lets you download files without being asked again. 30 days.
  • Session and CSRF cookiesDmand AI (app.dmand.ai). Sign-in and form protection in the application. Session.
  • __cf_bm, cf_clearanceCloudflare. Tells people from automated traffic and keeps the site available. 30 minutes; cf_clearance while a security check is valid.

Analytics

On unless you turn it off. How pages are used, in aggregate, and recordings of how pages are used.

View cookies (6)
  • Google Tag ManagerGoogle. Loads the analytics and marketing tags that are on. Sets no cookie of its own and does not load when both categories are off. n/a.
  • _ga, _ga_<container-id>Google Analytics 4. Visits and page views in aggregate on dmand.ai. 2 years.
  • _clck, _clskMicrosoft Clarity. Recordings and heatmaps of how pages are used, with form fields masked. 1 year, 1 day.
  • CLID, MUID, ANONCHK, MR, SMMicrosoft (clarity.ms). Set by Microsoft when Clarity loads, to recognize a browser across sites that use Clarity. Up to 1 year.
  • None (cookieless)Ahrefs Analytics. Page views in aggregate. n/a.
  • ph_<project>_posthogPostHog. Product usage, errors and performance in app.dmand.ai, used to fix bugs and improve features. 365 days.

Marketing

On unless you turn it off, and always off when your browser sends a Global Privacy Control signal. A visitor identification service tells our sales team which companies and people visit.

View cookies (6)
  • _reb2buid, _reb2butkRB2B. Recognizes a returning browser for visitor identification. 360 days, 1 year.
  • _reb2bgeoRB2B. The location used to decide whether a visit can be identified. 20 days.
  • _reb2brefRB2B. The page or site that referred the visit. 15 days.
  • _reb2bfxf, _reb2btd, _reb2bliRB2B. Links the visit to an identified business profile. 1 month.
  • _reb2bresolveRB2B. Holds a match while it is being resolved. 2 days.
  • _reb2sessionID, _reb2bloadedRB2B. The current visit, and a guard against loading the script twice. 30 minutes, 1 second.

Functional

On unless you turn it off. Remembers choices such as a collapsed section.

View cookies (none today)