Dr. Alexander Parpas, MD

  • Brooklyn, NY
  • Nephrologist
NPI1356752448PAC ID0648560649
Medicare services, 2024
829
Medicare patients, 2024
180
Part D claims, 2024
15
Publications
1
Hospital affiliations
1
Practice address
2107 Ditmas Avenue, Brooklyn, NY 11226
Practice phone
Call (718) 462-8100
Professional email
Get professional email
Personal email
Get personal email
Mobile number
Get mobile number
Social profiles

Primary practice

Ditmas Park Dialysis Center

Dialysis Center - Independent · Brooklyn, New York

See all 8 affiliations

Find Dr. Parpas' 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. Alexander Parpas is a nephrologist in Brooklyn, New York

Dr. Parpas practices at Ditmas Park Dialysis Center in Brooklyn, New York.

Dr. Parpas' NPI, 1356752448, was assigned on May 12, 2014. Dr. Parpas graduated from Ross University School of Medicine in 2013. Dr. Parpas holds New York license 290622.

NPI and contact details
Medicare PAC ID
0648560649
NPI enumeration date
May 12, 2014
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(718) 462-8100
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
39
Medical school graduation
2013

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

Dr. Alexander Parpas practices at Ditmas Park Dialysis Center in Brooklyn, New York

Dr. Parpas' primary practice is Ditmas Park Dialysis Center, at 2107 Ditmas Avenue, Brooklyn, NY 11226 in Kings County. The practice phone is (718) 462-8100.

  • Ditmas Park Dialysis Center
    2107 Ditmas Avenue, Brooklyn, NY 11226 · Kings CountyPhone(718) 462-8100

Source: Dmand AI Affiliation Data

Dr. Alexander Parpas is affiliated with 4 sites of care and 4 medical groups

Dr. Parpas' primary practice is Ditmas Park Dialysis Center in Brooklyn, New York. Dr. Parpas is also affiliated with Montefiore Nyack Hospital. The medical group on file is Cogent Medical Care PC. Dmand AI also links Dr. Parpas to 3 more medical groups, 1 physician office and 1 group practice or clinic, each named with a free account.

See all 8 affiliations for Dr. Parpas

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Alexander Parpas' practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Parpas practices, 4 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Ditmas Park Dialysis CenterAvailable with a free account
+3 more sites and 3 medical groupsAvailable 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. Parpas 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. Alexander Parpas is one of 914 nephrologists in New York

Nephrology is Dr. Parpas' primary specialty in the NPI Registry, under taxonomy code 207RN0300X. Dr. Parpas is licensed in New York.

Specialties and state licenses

  • Nephrology, New YorkPrimaryLicense 290622 · taxonomy 207RN0300X

Nephrologists near Dr. Parpas

Counts of nephrologists 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. Alexander Parpas billed Medicare for 829 services in 2024

CMS data shows 829 Medicare services from Dr. Parpas across 16 procedure codes in 2024, for 180 Medicare patients. Medicare paid $458,917 for them. Every service was in an office.

Medicare services, 2024829
Medicare patients180
Paid by Medicare$458,917
Procedure codes16

Dr. Parpas' Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Surgery
2023: 02024: 389
Tests and treatments
2023: 782024: 286267%
Imaging
2023: 02024: 124
Office and hospital visits
2023: 142024: 30114%

Dr. Parpas compared with the New York median for nephrologists, 2024

  • Dr. Parpas
  • New York median
Medicare services
829vs 68920% above
Medicare patients
180vs 21717% below
Part D claims
17vs 43696% below

Medians across 892 nephrologists in New York with Dmand AI profiles that report each measure.

Dr. Parpas' 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. Parpas

Need commercial claims for Dr. Parpas?

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

Book a meeting

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

Dr. Alexander Parpas treated 180 Medicare patients in 2024, average age 68

CMS counts 180 Medicare patients who saw Dr. Parpas in 2024. The largest group is 65 to 74, with 62 patients. 75% of them have chronic kidney disease, and 75% have diabetes. 77% are also on Medicaid. Their average risk score is 9.76, 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. Parpas' median patient age at 71, with 54% women.

Medicare patients, 2024180
Average age68
Average risk score9.76
Also on Medicaid77%

Dr. Parpas' Medicare patients by age, 2024

Dr. Parpas' Medicare patients by sex, 2024

  • Women7240%
  • Men10860%

Chronic conditions among Dr. Parpas' Medicare patients, 2024

  1. Chronic kidney disease75%
  2. Diabetes75%
  3. High blood pressure75%
  4. High cholesterol75%
  5. Heart failure63%
  6. Ischemic heart disease53%
  7. Mood disorders44%
  8. Arthritis43%

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

Dr. Parpas' patients across all payers

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

Patient panel by age, all payers

Median age 71

Patient panel by sex, all payers

  • Women54%
  • Men43%

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

Dr. Alexander Parpas wrote 15 Medicare Part D claims in 2024

In 2024, Dr. Parpas wrote 15 Medicare Part D claims for 12 patients. 100% of them were for generic drugs. They cover 1 drug, with $6,196 in total drug cost. In 2022, CMS named 60 claims across 3 drugs.

Part D claims, 202415
Drugs named by CMS1
Total drug cost$6,196
Part D patients12

Dr. Parpas' most prescribed drugs by claims, 2023

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Part D claims for drugs CMS names, 2022 to 2023

  • 2022
  • 2023
Claims for drugs CMS names
2022: 602023: 1772%

Drugs named by CMS: 1 in 2023, 3 in 2022.

See all prescribing by Dr. Parpas

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. Alexander Parpas takes part in Medicare

Dr. Parpas 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

Find nephrologists like Dr. Parpas 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. Alexander Parpas has 1 publication on record

Dmand AI links 1 paper to Dr. Parpas in 2017. Dr. Parpas' most frequent co-authors are Ayesha Anwar, MD, Erdal Cavusoglu, MD and Sudhanva S. Hegde, MBBS, MD, MPH.

Papers1

Dr. Parpas' most frequent co-authors

Recent publications by Dr. Parpas

See all 1 publications and co-authors

See who Dr. Parpas researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Parpas works with, so you can find a warm path to the right nephrologists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Alexander Parpas received $2,251 in industry payments from 2018 to 2025

CMS Open Payments shows 28 general payments to Dr. Parpas from 15 drug and device companies from 2018 to 2025. Travel and lodging make up the largest share, 62% of the total. Mozarc Medical US LLC paid the most, $1,574.

General payments to Dr. Parpas by program year, 2018 to 2025

General payments to Dr. Parpas by kind, 2018 to 2025

$2.3Kin total
  • Travel and lodging$1,39162%
  • Food and beverage$81236%
  • Education$482%

Companies that paid Dr. Parpas the most, 2018 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Parpas

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

Dr. Alexander Parpas graduated from Ross University School of Medicine

Dr. Parpas graduated from Ross University School of Medicine in 2013.

  1. Medical schoolRoss University School of Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. Alexander Parpas'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 phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy 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)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile 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. Alexander Parpas

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. Alexander Parpas' NPI number?

Dr. Alexander Parpas' NPI number is 1356752448. It was assigned on May 12, 2014, and it is active in the NPI Registry.

What kind of doctor is Dr. Alexander Parpas?

Dr. Alexander Parpas is a nephrologist in Brooklyn, New York. The primary specialty in the NPI Registry is Nephrology Physician (taxonomy code 207RN0300X).

Where does Dr. Alexander Parpas practice?

Dr. Parpas practices at 2107 Ditmas Avenue, Brooklyn, NY 11226. Dr. Parpas' primary practice is Ditmas Park Dialysis Center in Brooklyn, New York. Dmand AI also links Dr. Parpas to 3 medical groups, 1 physician office and 1 group practice or clinic.

What is Dr. Alexander Parpas' office phone number?

The practice phone on file for Dr. Parpas is (718) 462-8100.

What is Dr. Alexander Parpas' medical license number?

Dr. Parpas holds New York license 290622.

Which hospitals is Dr. Alexander Parpas affiliated with?

Dr. Parpas is affiliated with Montefiore Nyack Hospital.

What medical group is Dr. Alexander Parpas part of?

Dr. Parpas is linked to Cogent Medical Care PC. Dmand AI links Dr. Parpas to 3 more medical groups.

Does Dr. Alexander Parpas accept Medicare?

Yes. CMS data shows Dr. Parpas billed Medicare for 829 services in 2024, and Dr. Parpas accepts Medicare assignment.

How many Medicare patients does Dr. Alexander Parpas see?

CMS counts 180 Medicare patients who saw Dr. Parpas in 2024, with an average age of 68.

What services does Dr. Alexander Parpas bill to Medicare?

In 2024, Dr. Parpas' most billed Medicare services were special service (99152), surgery: heart and blood vessels (36902) and special service (99153).

Show 6 more questionsShow fewer questions

Where did Dr. Alexander Parpas go to medical school?

Dr. Parpas graduated from Ross University School of Medicine in 2013.

What drugs does Dr. Alexander Parpas prescribe most?

In 2023 Medicare Part D data, Dr. Parpas' most prescribed drugs by claims were Sevelamer Carbonate.

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

CMS Open Payments shows $2,251 in general payments to Dr. Parpas from 15 companies from 2018 to 2025. The largest total came from Mozarc Medical US LLC.

How long has Dr. Alexander Parpas been practicing?

Dr. Parpas graduated from medical school in 2013, 13 years ago.

Does Dr. Alexander Parpas do research?

Dmand AI links 1 publication to Dr. Parpas.

Who does Dr. Alexander Parpas publish with?

Dr. Parpas' most frequent co-authors are Ayesha Anwar, MD (1 shared paper), Erdal Cavusoglu, MD (1 shared paper) and Sudhanva S. Hegde, MBBS, MD, MPH (1 shared paper).

Selling to nephrology practices?

See nephrologists 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)