Dr. Michael A. Schremmer, MD

  • Wailuku, HI
  • Emergency medicine physician
NPI1750365854PAC ID4183616238
Medicare services, 2024
417
Medicare patients, 2024
296
Part D claims, 2024
263
MIPS score, 2024
88
Hospital affiliations
3
Practice address
221 Mahalani Street, Wailuku, HI 96793
Practice phone
Call (808) 244-9056
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Maui Memorial Medical Center

Hospital · Wailuku, Hawaii

See all 11 affiliations

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Dr. Michael A. Schremmer is an emergency medicine physician in Wailuku, Hawaii

Dr. Schremmer practices at Maui Memorial Medical Center in Wailuku, Hawaii, part of Kaiser Permanente.

Dr. Schremmer's NPI, 1750365854, was assigned on December 1, 2005. Dr. Schremmer graduated from Temple University School of Medicine in 1986. Dr. Schremmer holds Florida license ME0055391.

NPI and contact details
Medicare PAC ID
4183616238
NPI enumeration date
December 1, 2005
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(808) 244-9056
Professional email
Get email
Personal email
Get email
Mobile number
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Sex
Male
Estimated age
66
Medical school graduation
1986

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

Dr. Michael A. Schremmer practices at Maui Memorial Medical Center in Wailuku, Hawaii

Dr. Schremmer's primary practice is Maui Memorial Medical Center, at 221 Mahalani Street, Wailuku, HI 96793 in Maui County. The practice phone is (808) 244-9056.

Source: Dmand AI Affiliation Data

Dr. Michael A. Schremmer is affiliated with 4 sites of care and 7 medical groups

Dr. Schremmer's primary practice is Maui Memorial Medical Center in Wailuku, Hawaii, part of Kaiser Permanente. Dr. Schremmer is also affiliated with Sarasota Memorial Hospital - Sarasota Campus. The medical group on file is Kauaʻi Medical Clinic. Dmand AI also links Dr. Schremmer to 1 more hospital, 6 medical groups and 1 rural health clinic, each named with a free account.

See all 11 affiliations for Dr. Schremmer

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

Dmand AI tracks the EHR system at Dr. Michael A. Schremmer's practice

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

EHR by site
SiteEHR vendor and product
Maui Memorial Medical CenterAvailable with a free account
+3 more sites and 6 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

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Dr. Michael A. Schremmer is one of 393 emergency medicine physicians in Hawaii

Emergency medicine is Dr. Schremmer's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Schremmer is licensed in Florida.

Specialties and state licenses

  • Emergency medicine, FloridaPrimaryLicense ME0055391 · taxonomy 207P00000X

Emergency medicine physicians near Dr. Schremmer

Counts of emergency medicine physicians 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 A. Schremmer billed Medicare for 417 services in 2024

CMS data shows 417 Medicare services from Dr. Schremmer across 5 procedure codes in 2024, for 296 Medicare patients. Medicare paid $37,527 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024417
Medicare patients296
Paid by Medicare$37,527
Procedure codes5

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

  • 2023
  • 2024
Office and hospital visits
2023: 3252024: 2988%
Tests and treatments
2023: 1282024: 1197%

Dr. Schremmer compared with the Hawaii median for emergency medicine physicians, 2024

  • Dr. Schremmer
  • Hawaii median
Medicare services
417vs 22982% above
Medicare patients
296vs 20445% above
Part D claims
106vs 7247% above

Medians across 378 emergency medicine physicians in Hawaii with Dmand AI profiles that report each measure.

Dr. Schremmer'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. Schremmer

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

Dr. Michael A. Schremmer treated 296 Medicare patients in 2024, average age 76

CMS counts 296 Medicare patients who saw Dr. Schremmer in 2024. The largest group is 65 to 74, with 107 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 15% are also on Medicaid. Their average risk score is 1.78, 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. Schremmer's median patient age at 62, with 49% women.

Medicare patients, 2024296
Average age76
Average risk score1.78
Also on Medicaid15%

Dr. Schremmer's Medicare patients by age, 2024

Dr. Schremmer's Medicare patients by sex, 2024

  • Women14449%
  • Men15251%

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

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis40%
  4. Diabetes39%
  5. Chronic kidney disease37%
  6. Ischemic heart disease33%
  7. Atrial fibrillation24%
  8. Anxiety23%

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

Dr. Schremmer's 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

  • Women49%
  • Men51%

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

Dr. Michael A. Schremmer wrote 263 Medicare Part D claims in 2024

In 2024, Dr. Schremmer wrote 263 Medicare Part D claims for 185 patients. 96% of them were for generic drugs. CMS names the drug for 106 of them, across 5 drugs with 11 or more claims each, at $864 in total drug cost. In 2023, CMS named 145 claims across 8 drugs.

Part D claims, 2024263
Drugs named by CMS5
Total drug cost$864
Part D patients185

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

  • Generic253 claims96%
  • Brand-name and other10 claims4%

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

  • Opioids16%42 of 263 claims
  • Antibiotics33%87 of 263 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: 1452024: 10627%

Drugs named by CMS: 5 in 2024, 8 in 2023.

See all prescribing by Dr. Schremmer

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. Michael A. Schremmer scored 88 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 88 out of 100 for Dr. Schremmer for performance year 2024, reported as part of a group. Dr. Schremmer accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Dr. Schremmer's MIPS scores, performance year 2024

  • 88of 100Final score
  • 79.9of 100Quality
  • 99of 100Promoting Interoperability
  • 40of 100Improvement Activities
  • 82of 100Cost

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

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

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Dr. Michael A. Schremmer graduated from Temple University School of Medicine

Dr. Schremmer graduated from Temple University School of Medicine in 1986.

  1. Medical schoolTemple University School of Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. Michael A. Schremmer'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)Clinician Public Reporting: Overall MIPS Performance (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. Michael A. Schremmer

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 A. Schremmer's NPI number?

Dr. Michael A. Schremmer's NPI number is 1750365854. It was assigned on December 1, 2005, and it is active in the NPI Registry.

What kind of doctor is Dr. Michael A. Schremmer?

Dr. Michael A. Schremmer is an emergency medicine physician in Wailuku, Hawaii. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).

Where does Dr. Michael A. Schremmer practice?

Dr. Schremmer practices at 221 Mahalani Street, Wailuku, HI 96793. Dr. Schremmer's primary practice is Maui Memorial Medical Center in Wailuku, Hawaii, part of Kaiser Permanente. Dmand AI also links Dr. Schremmer to 1 hospital, 6 medical groups and 1 rural health clinic.

What is Dr. Michael A. Schremmer's office phone number?

The practice phone on file for Dr. Schremmer is (808) 244-9056.

What is Dr. Michael A. Schremmer's medical license number?

Dr. Schremmer holds Florida license ME0055391.

Which hospitals is Dr. Michael A. Schremmer affiliated with?

Dr. Schremmer practices at Maui Memorial Medical Center in Wailuku, Hawaii. Dr. Schremmer is also affiliated with Sarasota Memorial Hospital - Sarasota Campus. Dmand AI links Dr. Schremmer to 1 more hospital.

What medical group is Dr. Michael A. Schremmer part of?

Dr. Schremmer is linked to Kauaʻi Medical Clinic. Dmand AI links Dr. Schremmer to 6 more medical groups.

Does Dr. Michael A. Schremmer accept Medicare?

Yes. CMS data shows Dr. Schremmer billed Medicare for 417 services in 2024, and Dr. Schremmer accepts Medicare assignment.

What is Dr. Michael A. Schremmer's MIPS score?

Dr. Schremmer's MIPS final score for performance year 2024 is 88 out of 100, reported as part of a group.

How many Medicare patients does Dr. Michael A. Schremmer see?

CMS counts 296 Medicare patients who saw Dr. Schremmer in 2024, with an average age of 76.

Show 4 more questionsShow fewer questions

What services does Dr. Michael A. Schremmer bill to Medicare?

In 2024, Dr. Schremmer's most billed Medicare services were emergency department visit (99285), emergency department visit (99284) and heart test or procedure (93010).

Where did Dr. Michael A. Schremmer go to medical school?

Dr. Schremmer graduated from Temple University School of Medicine in 1986.

What drugs does Dr. Michael A. Schremmer prescribe most?

In 2024 Medicare Part D data, Dr. Schremmer's most prescribed drugs by claims were Cephalexin, Hydrocodone-Acetaminophen and Prednisone.

How long has Dr. Michael A. Schremmer been practicing?

Dr. Schremmer graduated from medical school in 1986, 40 years ago.

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