Dr. Clarence L. Waltrous Jr., MD

  • Brooklyn, NY
  • Nephrologist
NPI1942214580PAC ID9133300759
Medicare services, 2024
47
Medicare patients, 2024
18
Part D claims, 2024
46
Industry payments
$495
Affiliated sites
1
Practice address
2372 Linden Blvd, Brooklyn, NY 11208
Practice phone
Call (718) 345-9000
Professional email
Get professional email
Personal email
Get personal email
Mobile number
Get mobile number
Social profiles

Primary practice

Nephrology Foundation of Brooklyn

Brooklyn, New York

See all 3 affiliations

Find Dr. Waltrous' 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. Clarence L. Waltrous Jr. is a nephrologist in Brooklyn, New York

Dr. Waltrous practices at Nephrology Foundation of Brooklyn in Brooklyn, New York.

Dr. Waltrous' NPI, 1942214580, was assigned on July 28, 2006. Dr. Waltrous graduated from Howard University College Of Medicine in 1976. Dr. Waltrous holds New York license 134427.

NPI and contact details
Medicare PAC ID
9133300759
NPI enumeration date
July 28, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(718) 345-9000
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
76
Medical school graduation
1976

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

Dr. Clarence L. Waltrous Jr. practices at Nephrology Foundation of Brooklyn in Brooklyn, New York

Dr. Waltrous' primary practice is Nephrology Foundation of Brooklyn, at 2372 Linden Blvd, Brooklyn, NY 11208 in Kings County. The practice phone is (718) 345-9000.

  • Nephrology Foundation of Brooklyn
    2372 Linden Blvd, Brooklyn, NY 11208 · Kings CountyPhone(718) 345-9000

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

Dr. Clarence L. Waltrous Jr. is affiliated with 2 sites of care and 1 medical group

Dr. Waltrous' primary practice is Nephrology Foundation of Brooklyn in Brooklyn, New York. The medical group on file is Linden Medical Group. Dmand AI also links Dr. Waltrous to 1 more dialysis center, named with a free account.

See all 3 affiliations for Dr. Waltrous

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

Dmand AI tracks the EHR system at Dr. Clarence L. Waltrous Jr.'s practice

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

EHR by site
SiteEHR vendor and product
Nephrology Foundation of BrooklynAvailable with a free account
+1 more affiliated siteAvailable 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. Waltrous 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. Clarence L. Waltrous Jr. is one of 914 nephrologists in New York

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

Specialties and state licenses

  • Nephrology, New YorkPrimaryLicense 134427 · taxonomy 207RN0300X

Nephrologists near Dr. Waltrous

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. Clarence L. Waltrous Jr. billed Medicare for 47 services in 2024

CMS data shows 47 Medicare services from Dr. Waltrous across 1 procedure code in 2024, for 18 Medicare patients. Medicare paid $14,594 for them. Every service was in an office.

Medicare services, 202447
Medicare patients18
Paid by Medicare$14,594
Procedure codes1

Dr. Waltrous' Medicare services by type, 2022 to 2024

  • 2022
  • 2024
Tests and treatments
2022: 7142024: 4793%
Office and hospital visits
2022: 252024: 0100%

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

  • Dr. Waltrous
  • New York median
Medicare services
47vs 68993% below
Medicare patients
18vs 21792% below
Part D claims
112vs 43674% below

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

Dr. Waltrous' 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. Waltrous

Need commercial claims for Dr. Waltrous?

Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Waltrous 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. Clarence L. Waltrous Jr. treated 18 Medicare patients in 2024, average age 63

CMS counts 18 Medicare patients who saw Dr. Waltrous in 2024. 75% of them have chronic kidney disease, and 75% have high blood pressure. Their average risk score is 10.01, 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. Waltrous' median patient age at 62, with 43% women.

Medicare patients, 202418
Average age63
Average risk score10.01

Chronic conditions among Dr. Waltrous' Medicare patients, 2024

  1. Chronic kidney disease75%
  2. High blood pressure75%
  3. High cholesterol75%
  4. Diabetes67%

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

Dr. Waltrous' 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

  • Women43%
  • Men57%

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

Dr. Clarence L. Waltrous Jr. wrote 46 Medicare Part D claims in 2024

In 2024, Dr. Waltrous wrote 46 Medicare Part D claims for 14 patients. 67% of them were for generic drugs. They cover 5 drugs, with $115,329 in total drug cost. In 2022, CMS named 816 claims across 22 drugs.

Part D claims, 202446
Drugs named by CMS5
Total drug cost$115,329
Part D patients14

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

  • Generic31 claims67%
  • Brand-name15 claims33%

Dr. Waltrous' 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: 8162023: 11286%

Drugs named by CMS: 5 in 2023, 22 in 2022.

See all prescribing by Dr. Waltrous

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. Clarence L. Waltrous Jr. takes part in Medicare

Dr. Waltrous 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. Waltrous 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. Clarence L. Waltrous Jr. received $495 in industry payments from 2016 to 2022

CMS Open Payments shows 22 general payments to Dr. Waltrous from 6 drug and device companies from 2016 to 2022. Food and beverage make up the largest share, 100% of the total. Amgen Inc. paid the most, $215.

General payments to Dr. Waltrous by program year, 2016 to 2022

Companies that paid Dr. Waltrous the most, 2016 to 2022

Share is of all general payments to this clinician.

See all payments to Dr. Waltrous

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

Dr. Clarence L. Waltrous Jr. graduated from Howard University College Of Medicine

Dr. Waltrous graduated from Howard University College Of Medicine in 1976.

  1. Medical schoolHoward University College Of Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. Clarence L. Waltrous Jr.'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 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)
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. Clarence L. Waltrous Jr.

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. Clarence L. Waltrous Jr.'s NPI number?

Dr. Clarence L. Waltrous Jr.'s NPI number is 1942214580. It was assigned on July 28, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Clarence L. Waltrous Jr.?

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

Where does Dr. Clarence L. Waltrous Jr. practice?

Dr. Waltrous practices at 2372 Linden Blvd, Brooklyn, NY 11208. Dr. Waltrous' primary practice is Nephrology Foundation of Brooklyn in Brooklyn, New York. Dmand AI also links Dr. Waltrous to 1 dialysis center.

What is Dr. Clarence L. Waltrous Jr.'s office phone number?

The practice phone on file for Dr. Waltrous is (718) 345-9000.

What is Dr. Clarence L. Waltrous Jr.'s medical license number?

Dr. Waltrous holds New York license 134427.

What medical group is Dr. Clarence L. Waltrous Jr. part of?

Dr. Waltrous is linked to Linden Medical Group.

Does Dr. Clarence L. Waltrous Jr. accept Medicare?

Yes. CMS data shows Dr. Waltrous billed Medicare for 47 services in 2024, and Dr. Waltrous accepts Medicare assignment.

How many Medicare patients does Dr. Clarence L. Waltrous Jr. see?

CMS counts 18 Medicare patients who saw Dr. Waltrous in 2024, with an average age of 63.

What services does Dr. Clarence L. Waltrous Jr. bill to Medicare?

In 2024, Dr. Waltrous' most billed Medicare services were dialysis (90960).

Where did Dr. Clarence L. Waltrous Jr. go to medical school?

Dr. Waltrous graduated from Howard University College Of Medicine in 1976.

Show 3 more questionsShow fewer questions

What drugs does Dr. Clarence L. Waltrous Jr. prescribe most?

In 2023 Medicare Part D data, Dr. Waltrous' most prescribed drugs by claims were Clinolipid, Velphoro and Prosol.

Has Dr. Clarence L. Waltrous Jr. received payments from drug or device companies?

CMS Open Payments shows $495 in general payments to Dr. Waltrous from 6 companies from 2016 to 2022. The largest total came from Amgen Inc.

How long has Dr. Clarence L. Waltrous Jr. been practicing?

Dr. Waltrous graduated from medical school in 1976, 50 years ago.

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)