Dr. Laraine Lynn Washer, MD
- Medicare services, 2024
- 135
- Medicare patients, 2024
- 91
- Part D claims, 2024
- 284
- Publications
- 44
- Hospital affiliations
- 2
- Practice address
- 1500 E Medical Center Dr, Ann Arbor, MI 48109
- Practice phone
- Call (734) 936-4000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
University Hospital
School-Based Health Center · Ann Arbor, Michigan
Find Dr. Washer's professional email, personal email and mobile number
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Dr. Laraine Lynn Washer is an infectious disease specialist in Ann Arbor, Michigan
Dr. Washer practices at University Hospital in Ann Arbor, Michigan.
Dr. Washer's NPI, 1356456339, was assigned on August 20, 2006. Dr. Washer graduated from University of Michigan Medical School in 1996. Dr. Washer holds Michigan license 4301067940.
- NPI
- 1356456339NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5698755189
- NPI enumeration date
- August 20, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (734) 936-4000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 56
- Medical school graduation
- 1996
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Laraine Lynn Washer practices at University Hospital in Ann Arbor, Michigan
Dr. Washer's primary practice is University Hospital, at 1500 E Medical Center Dr, Ann Arbor, MI 48109. The practice phone is (734) 936-4000.
- University Hospital1500 E Medical Center Dr, Ann Arbor, MI 48109Phone(734) 936-4000
Source: Dmand AI Affiliation Data
Dr. Laraine Lynn Washer is affiliated with 3 sites of care and 1 medical group
Dr. Washer's primary practice is University Hospital in Ann Arbor, Michigan. Dr. Washer is also affiliated with University Hospital. The medical group on file is University of Michigan Health. Dmand AI also links Dr. Washer to 1 more hospital, named with a free account. Dr. Washer's employer is on file too: a school & student health.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Laraine Lynn Washer's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Washer practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| University Hospital | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Laraine Lynn Washer is one of 264 infectious disease specialists in Michigan
Infectious disease is Dr. Washer's primary specialty in the NPI Registry, under taxonomy code 207RI0200X. Dr. Washer is licensed in Michigan.
Specialties and state licenses
- Infectious disease, MichiganPrimary
Infectious disease specialists near Dr. Washer
Counts of infectious disease specialists 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. Laraine Lynn Washer billed Medicare for 135 services in 2024
CMS data shows 135 Medicare services from Dr. Washer across 6 procedure codes in 2024, for 91 Medicare patients. Medicare paid $11,483 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Washer's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1502024: 13510%
Dr. Washer compared with the Michigan median for infectious disease specialists, 2024
- Dr. Washer
- Michigan median
- Medicare services
- 135vs 31858% below
- Medicare patients
- 91vs 14336% below
- Part D claims
- 169vs 13922% above
Medians across 266 infectious disease specialists in Michigan with Dmand AI profiles that report each measure.
Dr. Washer'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.
Need commercial claims for Dr. Washer?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Washer and other infectious disease specialists in Michigan.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Laraine Lynn Washer treated 91 Medicare patients in 2024, average age 69
CMS counts 91 Medicare patients who saw Dr. Washer in 2024. The largest group is 65 to 74, with 30 patients. 75% of them have high blood pressure, and 71% have high cholesterol. 29% are also on Medicaid. Their average risk score is 3.40, 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. Washer's median patient age at 61, with 50% women.
Dr. Washer's Medicare patients by age, 2024
Dr. Washer's Medicare patients by sex, 2024
- Women4853%
- Men4347%
Chronic conditions among Dr. Washer's Medicare patients, 2024
- High blood pressure75%
- High cholesterol71%
- Chronic kidney disease66%
- Arthritis65%
- Mood disorders55%
- Depression52%
- Diabetes51%
- Ischemic heart disease51%
Share of Medicare patients with each condition. A patient can have several.
Dr. Washer'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
- Women50%
- Men50%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Laraine Lynn Washer wrote 284 Medicare Part D claims in 2024
In 2024, Dr. Washer wrote 284 Medicare Part D claims for 65 patients. 97% of them were for generic drugs. CMS names the drug for 169 of them, across 9 drugs with 11 or more claims each, at $16,713 in total drug cost. In 2023, CMS named 217 claims across 10 drugs.
Dr. Washer's Part D claims by kind of drug, 2024
- Generic275 claims97%
- Brand-name and other9 claims3%
Dr. Washer'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. Washer's Part D claims, 2024
- Antibiotics87%246 of 284 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: 2172024: 16922%
Drugs named by CMS: 9 in 2024, 10 in 2023.
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. Laraine Lynn Washer offers telehealth to Medicare patients
Dr. Washer accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Washer as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Laraine Lynn Washer has 44 publications on record
Dmand AI links 44 papers to Dr. Washer, published from 2012 to 2025. 2021 was the busiest year, with 6. The most frequent topics are Anti-Bacterial Agents, Cross Infection and COVID-19. Dr. Washer has published most often in Infect Control Hosp Epidemiol. Dr. Washer's most frequent co-authors are Scott Alan Flanders, MD, Anurag N. Malani, MD and Carol Elizabeth Chenoweth, MD.
Dr. Washer's papers by year, 2014 to 2025
Topics Dr. Washer writes about most
- Anti-Bacterial Agents
- Cross Infection
- COVID-19
- Michigan
- Hospitals
- SARS-CoV-2
- Clostridioides difficile
- Infection Control
Dr. Washer's most frequent co-authors
- Scott Alan Flanders, MD7 shared papers
- Anurag N. Malani, MD7 shared papers
- Carol Elizabeth Chenoweth, MD6 shared papers
Recent publications by Dr. Washer
Infect Control Hosp Epidemiol
Am J Infect Control
Infect Control Hosp Epidemiol
See who Dr. Washer researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Washer works with, so you can find a warm path to the right infectious disease specialists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Laraine Lynn Washer received $2,638 in industry payments from 2019 to 2023
CMS Open Payments shows 2 general payments to Dr. Washer from 2 drug and device companies from 2019 to 2023. Consulting fees make up the largest share, 100% of the total. Ferring Pharmaceuticals Inc. paid the most, $2,625.
General payments to Dr. Washer by program year, 2019 to 2023
General payments to Dr. Washer by kind, 2019 to 2023
- Consulting fees$2,625100%
- Education$130%
Companies that paid Dr. Washer the most, 2019 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Laraine Lynn Washer graduated from University of Michigan Medical School
Dr. Washer graduated from University of Michigan Medical School in 1996.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Laraine Lynn Washer'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) |
| Part D prescribing | Medicare 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 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 |
| 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. Laraine Lynn Washer
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. Laraine Lynn Washer's NPI number?
Dr. Laraine Lynn Washer's NPI number is 1356456339. It was assigned on August 20, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Laraine Lynn Washer?
Dr. Laraine Lynn Washer is an infectious disease specialist in Ann Arbor, Michigan. The primary specialty in the NPI Registry is Infectious Disease Physician (taxonomy code 207RI0200X).
Where does Dr. Laraine Lynn Washer practice?
Dr. Washer practices at 1500 E Medical Center Dr, Ann Arbor, MI 48109. Dr. Washer's primary practice is University Hospital in Ann Arbor, Michigan. Dmand AI also links Dr. Washer to 1 hospital.
What is Dr. Laraine Lynn Washer's office phone number?
The practice phone on file for Dr. Washer is (734) 936-4000.
What is Dr. Laraine Lynn Washer's medical license number?
Dr. Washer holds Michigan license 4301067940.
Which hospitals is Dr. Laraine Lynn Washer affiliated with?
Dr. Washer is affiliated with University Hospital. Dmand AI links Dr. Washer to 1 more hospital.
What medical group is Dr. Laraine Lynn Washer part of?
Dr. Washer is linked to University of Michigan Health.
Does Dr. Laraine Lynn Washer accept Medicare?
Yes. CMS data shows Dr. Washer billed Medicare for 135 services in 2024, and Dr. Washer accepts Medicare assignment.
Does Dr. Laraine Lynn Washer offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Washer as offering telehealth services.
How many Medicare patients does Dr. Laraine Lynn Washer see?
CMS counts 91 Medicare patients who saw Dr. Washer in 2024, with an average age of 69.
Show 7 more questionsShow fewer questions
What services does Dr. Laraine Lynn Washer bill to Medicare?
In 2024, Dr. Washer's most billed Medicare services were hospital inpatient care (99222), hospital inpatient care (99233) and office visit, established patient (99213).
Where did Dr. Laraine Lynn Washer go to medical school?
Dr. Washer graduated from University of Michigan Medical School in 1996.
What drugs does Dr. Laraine Lynn Washer prescribe most?
In 2024 Medicare Part D data, Dr. Washer's most prescribed drugs by claims were Cephalexin, Amoxicillin-Clavulanate Potass and Meropenem.
Has Dr. Laraine Lynn Washer received payments from drug or device companies?
CMS Open Payments shows $2,638 in general payments to Dr. Washer from 2 companies from 2019 to 2023. The largest total came from Ferring Pharmaceuticals Inc.
How long has Dr. Laraine Lynn Washer been practicing?
Dr. Washer graduated from medical school in 1996, 30 years ago.
Does Dr. Laraine Lynn Washer do research?
Dmand AI links 44 publications to Dr. Washer, published from 2012 to 2025.
Who does Dr. Laraine Lynn Washer publish with?
Dr. Washer's most frequent co-authors are Scott Alan Flanders, MD (7 shared papers), Anurag N. Malani, MD (7 shared papers) and Carol Elizabeth Chenoweth, MD (6 shared papers).
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