Dr. Michael Thornton Longaker, MBA, MD

  • Stanford, CA
  • Plastic surgeon
NPI1427183672PAC ID2961508833
Medicare services, 2024
159
Medicare patients, 2024
41
Publications
926
Clinical trials
1
MIPS score, 2024
89
Practice address
300 Pasteur Drive, Stanford, CA 94305
Practice phone
Call (650) 723-4000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Stanford Hospital at 300 Pasteur Drive

Hospital · Stanford, California

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Dr. Michael Thornton Longaker is a plastic surgeon in Stanford, California

Dr. Longaker practices at Stanford Hospital at 300 Pasteur Drive in Stanford, California, part of Stanford University.

Dr. Longaker's NPI, 1427183672, was assigned on February 21, 2007. Dr. Longaker graduated from Harvard Medical School in 1984. Dr. Longaker holds California license G57362.

NPI and contact details
Medicare PAC ID
2961508833
NPI enumeration date
February 21, 2007
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(650) 723-4000
Professional email
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Personal email
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Mobile number
Get number
Sex
Male
Estimated age
68
Medical school graduation
1984

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

Dr. Michael Thornton Longaker practices at Stanford Hospital at 300 Pasteur Drive in Stanford, California

Dr. Longaker's primary practice is Stanford Hospital at 300 Pasteur Drive, at 300 Pasteur Drive, Stanford, CA 94305 in Santa Clara County. The practice phone is (650) 723-4000.

Source: Dmand AI Affiliation Data

Dr. Michael Thornton Longaker is affiliated with 2 sites of care and 1 medical group

Dr. Longaker's primary practice is Stanford Hospital at 300 Pasteur Drive in Stanford, California, part of Stanford University. The medical group on file is Stanford Health Care. Dmand AI also links Dr. Longaker to 1 more hospital, named with a free account. Dr. Longaker's employer is on file too: a hospital.

See all 3 affiliations for Dr. Longaker

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

Dmand AI tracks the EHR system at Dr. Michael Thornton Longaker's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Longaker practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Stanford Hospital at 300 Pasteur DriveAvailable with a free account
+1 more affiliated siteAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Michael Thornton Longaker is one of 778 plastic surgeons in California

Plastic surgery is Dr. Longaker's primary specialty in the NPI Registry, under taxonomy code 208200000X. Dr. Longaker is board certified in plastic surgery by the American Board of Plastic Surgery. Dr. Longaker is licensed in California.

Specialties and state licenses

  • Plastic surgery, CaliforniaPrimaryLicense G57362 · 1986 to 2026 · taxonomy 208200000X

Plastic surgeons near Dr. Longaker

Counts of plastic surgeons 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. Michael Thornton Longaker billed Medicare for 159 services in 2024

CMS data shows 159 Medicare services from Dr. Longaker across 2 procedure codes in 2024, for 41 Medicare patients. Medicare paid $14,908 for them. Every service was in an office.

Medicare services, 2024159
Medicare patients41
Paid by Medicare$14,908
Procedure codes2

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

  • 2023
  • 2024
Surgery
2023: 392024: 159308%

Dr. Longaker compared with the California median for plastic surgeons, 2024

  • Dr. Longaker
  • California median
Medicare services
159vs 582.7 times
Medicare patients
41vs 5931% below

Medians across 622 plastic surgeons in California with Dmand AI profiles that report each measure.

Dr. Longaker'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. Longaker

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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Longaker and other plastic surgeons in California.

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

Dr. Michael Thornton Longaker treated 41 Medicare patients in 2024, average age 74

CMS counts 41 Medicare patients who saw Dr. Longaker in 2024. The largest group is 65 to 74, with 14 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 29% are also on Medicaid. Their average risk score is 3.70, 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. Longaker's median patient age at 64, with 45% women.

Medicare patients, 202441
Average age74
Average risk score3.70
Also on Medicaid29%

Dr. Longaker's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Longaker's Medicare patients by sex, 2024

  • Women1741%
  • Men2459%

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

  1. High blood pressure75%
  2. High cholesterol75%
  3. Chronic kidney disease51%
  4. Diabetes44%
  5. Arthritis37%
  6. Atrial fibrillation34%
  7. Heart failure34%
  8. Cancer32%

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

Dr. Longaker's patients across all payers

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

Patient panel by age, all payers

Median age 64

Patient panel by sex, all payers

  • Women45%
  • Men55%

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

Dr. Michael Thornton Longaker scored 89 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 89 out of 100 for Dr. Longaker for performance year 2024, reported as part of a group. Dr. Longaker accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 244 procedures of removal of tissue by Dr. Longaker, more than 93% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes

Dr. Longaker's MIPS scores, performance year 2024

  • 89of 100Final score
  • 87.1of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities
  • 70of 100Cost

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

Where Dr. Longaker ranks in Medicare procedure volume

Removal of tissue
93rd percentile244 procedures

CMS ranks each clinician against every clinician it reports for the same procedure category.

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

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Dr. Michael Thornton Longaker has 926 publications on record

Dmand AI links 926 papers to Dr. Longaker, published from 2002 to 2025. 2016 was the busiest year, with 31. The most frequent topics are Wound Healing, Osteogenesis and Cells, Cultured. Dr. Longaker has published most often in Plast Reconstr Surg. Dr. Longaker's most frequent co-authors are Derrick Check Wan, MD, Hermann Peter Lorenz, MD and Michael Sung-Min Hu, MD.

Papers926
Years published2002 to 2025

Dr. Longaker's papers by year, 2016 to 2025

Topics Dr. Longaker writes about most

  • Wound Healing
  • Osteogenesis
  • Cells, Cultured
  • Cell Differentiation
  • Skin
  • Adipose Tissue
  • Fibroblasts
  • Cicatrix

Dr. Longaker's most frequent co-authors

Recent publications by Dr. Longaker

See all 926 publications and co-authors

See who Dr. Longaker researches with

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

How network discovery works

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

Dr. Michael Thornton Longaker has worked on 1 clinical trial

Dmand AI links Dr. Longaker to 1 clinical trial. Conditions studied include Pressure Ulcer and Diabetic Foot.

Conditions in Dr. Longaker's trials

  • Pressure Ulcer
  • Diabetic Foot

Recent clinical trials with Dr. Longaker

Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)

Dr. Michael Thornton Longaker received $1,502 in industry payments from 2016 to 2025

CMS Open Payments shows 12 general payments to Dr. Longaker from 7 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 65% of the total. Amgen Inc. paid the most, $525.

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

General payments to Dr. Longaker by kind, 2016 to 2025

$1.5Kin total
  • Food and beverage$97765%
  • Consulting fees$52535%

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

Share is of all general payments to this clinician.

See all payments to Dr. Longaker

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

Dr. Michael Thornton Longaker has 4 awards and honors on record

Dmand AI lists 4 awards for Dr. Longaker, most recently IOM Elected Member in 2007.

Awards and honors for Dr. Longaker

  1. 2007
    • IOM Elected Member
  2. 2004
    • Whos Who
  3. Undated
    • ACS Fellow
    • ASCI Member

Source: Dmand AI Professional Profile Data

Dr. Michael Thornton Longaker graduated from Harvard Medical School

Dr. Longaker graduated from Harvard Medical School in 1984. Dr. Longaker is a member of ACS and ASPS.

  1. Medical schoolHarvard Medical School
  2. Board certified in plastic surgeryAmerican Board of Plastic Surgery

Source: Dmand AI Professional Profile Data

Dr. Michael Thornton Longaker accepts plans from 5 insurance carriers

Dr. Longaker is in network with 5 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. EPO plans come from the most carriers, 3. Check the plan with the practice before a visit.

  • Aetna
  • Elevance
  • Blue Cross Blue Shield of Michigan
  • Blue Cross and Blue Shield of Kansas City
  • CMS Medicare

Plan types Dr. Longaker accepts, by number of carriers

  1. EPO3
  2. HMO3
  3. Medicare3
  4. POS3
  5. PPO3

Source: Dmand AI Insurance Network Data

Sources for Dr. Michael Thornton Longaker'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)
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)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Clinical trials and co-investigatorsDmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Awards and committee rolesDmand AI Professional Profile Data
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. Michael Thornton Longaker

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. Michael Thornton Longaker's NPI number?

Dr. Michael Thornton Longaker's NPI number is 1427183672. It was assigned on February 21, 2007, and it is active in the NPI Registry.

What kind of doctor is Dr. Michael Thornton Longaker?

Dr. Michael Thornton Longaker is a plastic surgeon in Stanford, California. The primary specialty in the NPI Registry is Plastic Surgery Physician (taxonomy code 208200000X).

Where does Dr. Michael Thornton Longaker practice?

Dr. Longaker practices at 300 Pasteur Drive, Stanford, CA 94305. Dr. Longaker's primary practice is Stanford Hospital at 300 Pasteur Drive in Stanford, California, part of Stanford University. Dmand AI also links Dr. Longaker to 1 hospital.

What is Dr. Michael Thornton Longaker's office phone number?

The practice phone on file for Dr. Longaker is (650) 723-4000.

What is Dr. Michael Thornton Longaker's medical license number?

Dr. Longaker holds California license G57362.

Which hospitals is Dr. Michael Thornton Longaker affiliated with?

Dr. Longaker practices at Stanford Hospital at 300 Pasteur Drive in Stanford, California. Dmand AI links Dr. Longaker to 1 more hospital.

What medical group is Dr. Michael Thornton Longaker part of?

Dr. Longaker is linked to Stanford Health Care.

Does Dr. Michael Thornton Longaker accept Medicare?

Yes. CMS data shows Dr. Longaker billed Medicare for 159 services in 2024, and Dr. Longaker accepts Medicare assignment.

What is Dr. Michael Thornton Longaker's MIPS score?

Dr. Longaker's MIPS final score for performance year 2024 is 89 out of 100, reported as part of a group.

How many Medicare patients does Dr. Michael Thornton Longaker see?

CMS counts 41 Medicare patients who saw Dr. Longaker in 2024, with an average age of 74.

Show 8 more questionsShow fewer questions

Is Dr. Michael Thornton Longaker board certified?

Yes. Dr. Longaker is board certified in plastic surgery by the American Board of Plastic Surgery.

What services does Dr. Michael Thornton Longaker bill to Medicare?

In 2024, Dr. Longaker's most billed Medicare services were surgery: skin and soft tissue (11043) and surgery: skin and soft tissue (11042).

Where did Dr. Michael Thornton Longaker go to medical school?

Dr. Longaker graduated from Harvard Medical School in 1984.

Has Dr. Michael Thornton Longaker received payments from drug or device companies?

CMS Open Payments shows $1,502 in general payments to Dr. Longaker from 7 companies from 2016 to 2025. The largest total came from Amgen Inc.

How long has Dr. Michael Thornton Longaker been practicing?

Dr. Longaker graduated from medical school in 1984, 42 years ago.

Does Dr. Michael Thornton Longaker do research?

Dmand AI links 926 publications to Dr. Longaker, published from 2002 to 2025. Dr. Longaker has worked on 1 clinical trial.

Who does Dr. Michael Thornton Longaker publish with?

Dr. Longaker's most frequent co-authors are Derrick Check Wan, MD (219 shared papers), Hermann Peter Lorenz, MD (76 shared papers) and Michael Sung-Min Hu, MD (73 shared papers).

What insurance does Dr. Michael Thornton Longaker accept?

Dr. Longaker is in network with 5 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. EPO plans come from the most carriers, 3. Check the plan with the practice before a visit.

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