Dr. Lois J. Ayash, MD

  • Detroit, MI
  • Hematologist and oncologist
NPI1699713982PAC ID2961460548
Medicare services, 2024
485
Medicare patients, 2024
100
Part D claims, 2024
408
Publications
33
Hospital affiliations
1
Practice address
4100 John R, Detroit, MI 48201
Practice phone
Call (800) 576-6266
Professional email
Get professional email
Personal email
Get personal email
Mobile number
Get mobile number
Social profiles

Primary practice

Karmanos Cancer Center

Hospital · Detroit, Michigan

See all 3 affiliations

Find Dr. Ayash'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. Lois J. Ayash is a hematologist and oncologist in Detroit, Michigan

Dr. Ayash practices at Karmanos Cancer Center in Detroit, Michigan, part of McLaren Health Care.

Dr. Ayash's NPI, 1699713982, was assigned on June 2, 2006. Dr. Ayash graduated from University of Massachusetts Medical School in 1981. Dr. Ayash holds Michigan license 4301069385.

NPI and contact details
Medicare PAC ID
2961460548
NPI enumeration date
June 2, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(800) 576-6266
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Female
Estimated age
71
Medical school graduation
1981

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

Dr. Lois J. Ayash practices at Karmanos Cancer Center in Detroit, Michigan

Dr. Ayash's primary practice is Karmanos Cancer Center, at 4100 John R, Detroit, MI 48201 in Wayne County. The practice phone is (800) 576-6266.

Source: Dmand AI Affiliation Data

Dr. Lois J. Ayash is affiliated with 1 site of care and 2 medical groups

Dr. Ayash's primary practice is Karmanos Cancer Center in Detroit, Michigan, part of McLaren Health Care. The medical group on file is Wayne Health. Dmand AI also links Dr. Ayash to 1 more medical group, named with a free account.

See all 3 affiliations for Dr. Ayash

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

Dmand AI tracks the EHR system at Dr. Lois J. Ayash's practice

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

EHR by site
SiteEHR vendor and product
Karmanos Cancer CenterAvailable with a free account
+1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

See the EHR and IT leaders at every hospital where Dr. Ayash practices

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

Dr. Lois J. Ayash is one of 298 hematologists and oncologists in Michigan

Hematology and oncology is Dr. Ayash's primary specialty in the NPI Registry, under taxonomy code 207RH0003X. Dmand AI has Dr. Ayash's licenses on file in 2 states: Michigan and Massachusetts.

Specialties and state licenses

  • Hematology and oncology, MichiganPrimaryLicense 4301069385 · taxonomy 207RH0003X
  • Massachusetts licenseLicense 50625

Hematologists and oncologists near Dr. Ayash

Counts of hematologists and oncologists 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. Lois J. Ayash billed Medicare for 485 services in 2024

CMS data shows 485 Medicare services from Dr. Ayash across 6 procedure codes in 2024, for 100 Medicare patients. Medicare paid $39,911 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024485
Medicare patients100
Paid by Medicare$39,911
Procedure codes6

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

  • 2023
  • 2024
Office and hospital visits
2023: 4972024: 4852%

Dr. Ayash compared with the Michigan median for hematologists and oncologists, 2024

  • Dr. Ayash
  • Michigan median
Medicare services
485vs 61922% below
Medicare patients
100vs 22856% below
Part D claims
233vs 37838% below

Medians across 291 hematologists and oncologists in Michigan with Dmand AI profiles that report each measure.

Dr. Ayash'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. Ayash

Need commercial claims for Dr. Ayash?

Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Ayash and other hematologists and oncologists in Michigan.

Book a meeting

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

Dr. Lois J. Ayash treated 100 Medicare patients in 2024, average age 68

CMS counts 100 Medicare patients who saw Dr. Ayash in 2024. The largest group is 65 to 74, with 71 patients. 69% of them have high blood pressure, and 68% have high cholesterol. 14% are also on Medicaid. Their average risk score is 3.07, 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. Ayash's median patient age at 66, with 43% women.

Medicare patients, 2024100
Average age68
Average risk score3.07
Also on Medicaid14%

Dr. Ayash's Medicare patients by age, 2024

Dr. Ayash's Medicare patients by sex, 2024

  • Women3434%
  • Men6666%

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

  1. High blood pressure69%
  2. High cholesterol68%
  3. Arthritis47%
  4. Anxiety35%
  5. Chronic kidney disease35%
  6. Ischemic heart disease33%
  7. Mood disorders27%
  8. Atrial fibrillation26%

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

Dr. Ayash's patients across all payers

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

Patient panel by age, all payers

Median age 66

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. Lois J. Ayash wrote 408 Medicare Part D claims in 2024

In 2024, Dr. Ayash wrote 408 Medicare Part D claims for 56 patients. 76% of them were for generic drugs. CMS names the drug for 233 of them, across 9 drugs with 11 or more claims each, at $1,013,089 in total drug cost. In 2023, CMS named 140 claims across 7 drugs.

Part D claims, 2024408
Drugs named by CMS9
Total drug cost$1M
Part D patients56

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

  • Generic309 claims76%
  • Brand-name99 claims24%

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

  • Antibiotics10%41 of 408 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: 1402024: 23366%

Drugs named by CMS: 9 in 2024, 7 in 2023.

See all prescribing by Dr. Ayash

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. Lois J. Ayash takes part in Medicare

Dr. Ayash 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 hematologists and oncologists like Dr. Ayash 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. Lois J. Ayash has 33 publications on record

Dmand AI links 33 papers to Dr. Ayash, published from 2012 to 2024. 2019 was the busiest year, with 6. The most frequent topics are Hematopoietic Stem Cell Transplantation, Graft vs Host Disease and Transplantation Conditioning. Dr. Ayash has published most often in Bone Marrow Transplant. Dr. Ayash's most frequent co-authors are Abhinav Deol, MD, Joseph P. Uberti, MD, PhD and Asif Alavi, MD.

Papers33
Years published2012 to 2024

Dr. Ayash's papers by year, 2015 to 2024

Topics Dr. Ayash writes about most

  • Hematopoietic Stem Cell Transplantation
  • Graft vs Host Disease
  • Transplantation Conditioning
  • Peripheral Blood Stem Cell Transplantation
  • Stem Cell Transplantation
  • Transplantation, Autologous
  • Transplantation, Homologous
  • Unrelated Donors

Dr. Ayash's most frequent co-authors

Recent publications by Dr. Ayash

See all 33 publications and co-authors

See who Dr. Ayash researches with

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

How network discovery works

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

Dr. Lois J. Ayash received $2,991 in industry payments from 2016 to 2025

CMS Open Payments shows 27 general payments to Dr. Ayash from 18 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Amgen Inc. paid the most, $519.

General payments to Dr. Ayash by program year, 2016 to 2025

Companies that paid Dr. Ayash the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Ayash

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

Dr. Lois J. Ayash graduated from University of Massachusetts Medical School

Dr. Ayash graduated from University of Massachusetts Medical School in 1981.

  1. Medical schoolUniversity of Massachusetts Medical School

Source: Dmand AI Professional Profile Data

Sources for Dr. Lois J. Ayash'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. Lois J. Ayash

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. Lois J. Ayash's NPI number?

Dr. Lois J. Ayash's NPI number is 1699713982. It was assigned on June 2, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Lois J. Ayash?

Dr. Lois J. Ayash is a hematologist and oncologist in Detroit, Michigan. The primary specialty in the NPI Registry is Hematology & Oncology Physician (taxonomy code 207RH0003X).

Where does Dr. Lois J. Ayash practice?

Dr. Ayash practices at 4100 John R, Detroit, MI 48201. Dr. Ayash's primary practice is Karmanos Cancer Center in Detroit, Michigan, part of McLaren Health Care. Dmand AI also links Dr. Ayash to 1 medical group.

What is Dr. Lois J. Ayash's office phone number?

The practice phone on file for Dr. Ayash is (800) 576-6266.

What is Dr. Lois J. Ayash's medical license number?

Dr. Ayash holds Michigan license 4301069385, one of the licenses on file in 2 states.

Which states has Dr. Lois J. Ayash been licensed in?

Dmand AI has state licenses on file for Dr. Ayash in Michigan and Massachusetts.

Which hospitals is Dr. Lois J. Ayash affiliated with?

Dr. Ayash practices at Karmanos Cancer Center in Detroit, Michigan.

What medical group is Dr. Lois J. Ayash part of?

Dr. Ayash is linked to Wayne Health. Dmand AI links Dr. Ayash to 1 more medical group.

Does Dr. Lois J. Ayash accept Medicare?

Yes. CMS data shows Dr. Ayash billed Medicare for 485 services in 2024, and Dr. Ayash accepts Medicare assignment.

How many Medicare patients does Dr. Lois J. Ayash see?

CMS counts 100 Medicare patients who saw Dr. Ayash in 2024, with an average age of 68.

Show 7 more questionsShow fewer questions

What services does Dr. Lois J. Ayash bill to Medicare?

In 2024, Dr. Ayash's most billed Medicare services were hospital inpatient care (99233), hospital inpatient care (99232) and office visit, established patient (99214).

Where did Dr. Lois J. Ayash go to medical school?

Dr. Ayash graduated from University of Massachusetts Medical School in 1981.

What drugs does Dr. Lois J. Ayash prescribe most?

In 2024 Medicare Part D data, Dr. Ayash's most prescribed drugs by claims were Acyclovir, Jakafi and Pantoprazole Sodium.

Has Dr. Lois J. Ayash received payments from drug or device companies?

CMS Open Payments shows $2,991 in general payments to Dr. Ayash from 18 companies from 2016 to 2025. The largest total came from Amgen Inc.

How long has Dr. Lois J. Ayash been practicing?

Dr. Ayash graduated from medical school in 1981, 45 years ago.

Does Dr. Lois J. Ayash do research?

Dmand AI links 33 publications to Dr. Ayash, published from 2012 to 2024.

Who does Dr. Lois J. Ayash publish with?

Dr. Ayash's most frequent co-authors are Abhinav Deol, MD (33 shared papers), Joseph P. Uberti, MD, PhD (33 shared papers) and Asif Alavi, MD (13 shared papers).

Selling to hematology and oncology practices?

See hematologists and oncologists in Michigan 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)