Dr. Tammy Mai, DO

  • Portland, OR
  • Anesthesiologist
NPI1275821902PAC ID3971730136
Medicare services, 2024
97
Medicare patients, 2024
87
Hospital affiliations
3
Industry payments
$113
Medical groups
7
Practice address
1015 Nw 22nd Avenue, W121, Portland, OR 97210
Practice phone
Call (503) 413-7682
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Legacy Good Samaritan Medical Center

Hospital · Portland, Oregon

See all 13 affiliations

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Dr. Tammy Mai is an anesthesiologist in Portland, Oregon

Dr. Mai practices at Legacy Good Samaritan Medical Center in Portland, Oregon, part of Legacy Health.

Dr. Mai's NPI, 1275821902, was assigned on July 15, 2011. Dr. Mai graduated from University of North Texas Hsc, College of Osteopathic Med in 2010. Dr. Mai holds Oregon license DO173813.

NPI and contact details
Medicare PAC ID
3971730136
NPI enumeration date
July 15, 2011
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(503) 413-7682
Professional email
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Personal email
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Mobile number
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Sex
Female
Estimated age
42
Medical school graduation
2010

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

Dr. Tammy Mai practices at Legacy Good Samaritan Medical Center in Portland, Oregon

Dr. Mai's primary practice is Legacy Good Samaritan Medical Center, at 1015 Nw 22nd Avenue, W121, Portland, OR 97210 in Multnomah County. The practice phone is (503) 413-7682.

Source: Dmand AI Affiliation Data

Dr. Tammy Mai is affiliated with 6 sites of care and 7 medical groups

Dr. Mai's primary practice is Legacy Good Samaritan Medical Center in Portland, Oregon, part of Legacy Health. Dr. Mai is also affiliated with Salem Hospital. The medical group on file is Oregon Anesthesiology Group. Dmand AI also links Dr. Mai to 1 more hospital, 6 medical groups and 3 group practices and clinics, each named with a free account.

See all 13 affiliations for Dr. Mai

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

Dmand AI tracks the EHR system at Dr. Tammy Mai's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Mai practices, 6 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Legacy Good Samaritan Medical CenterAvailable with a free account
+5 more sites and 6 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Tammy Mai is one of 797 anesthesiologists in Oregon

Anesthesiology is Dr. Mai's primary specialty in the NPI Registry, under taxonomy code 207L00000X. Dmand AI has Dr. Mai's licenses on file in 2 states: Oregon and Missouri.

Specialties and state licenses

  • Anesthesiology, OregonPrimaryLicense DO173813 · taxonomy 207L00000X
  • Missouri licenseLicense 2011015606

Anesthesiologists near Dr. Mai

Counts of anesthesiologists 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. Tammy Mai billed Medicare for 97 services in 2024

CMS data shows 97 Medicare services from Dr. Mai across 5 procedure codes in 2024, for 87 Medicare patients. Medicare paid $7,072 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 202497
Medicare patients87
Paid by Medicare$7,072
Procedure codes5

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

  • 2023
  • 2024
Tests and treatments
2023: 362024: 6478%
Anesthesia
2023: 312024: 2132%
Surgery
2023: 122024: 12No change

Dr. Mai compared with the Oregon median for anesthesiologists, 2024

  • Dr. Mai
  • Oregon median
Medicare services
97vs 392.5 times
Medicare patients
87vs 925% below

Medians across 720 anesthesiologists in Oregon with Dmand AI profiles that report each measure.

Dr. Mai'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. Mai

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

Dr. Tammy Mai treated 87 Medicare patients in 2024, average age 76

CMS counts 87 Medicare patients who saw Dr. Mai in 2024. The largest group is 75 to 84, with 33 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 23% are also on Medicaid. Their average risk score is 1.99, 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. Mai's median patient age at 60, with 55% women.

Medicare patients, 202487
Average age76
Average risk score1.99
Also on Medicaid23%

Dr. Mai's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Mai's Medicare patients by sex, 2024

  • Women4046%
  • Men4754%

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

  1. High blood pressure75%
  2. High cholesterol75%
  3. Atrial fibrillation55%
  4. Arthritis52%
  5. Heart failure49%
  6. Ischemic heart disease41%
  7. Diabetes40%
  8. Chronic kidney disease37%

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

Dr. Mai's patients across all payers

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

Patient panel by age, all payers

Median age 60

Patient panel by sex, all payers

  • Women55%
  • Men44%

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

How Dr. Tammy Mai takes part in Medicare

Dr. Mai 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)

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Dr. Tammy Mai received $113 in industry payments from 2019 to 2020

CMS Open Payments shows 4 general payments to Dr. Mai from 3 drug and device companies from 2019 to 2020. Food and beverage make up the largest share, 100% of the total. Halyard Health, Inc. paid the most, $63.

General payments to Dr. Mai by program year, 2019 to 2020

Companies that paid Dr. Mai the most, 2019 to 2020

Share is of all general payments to this clinician.

See all payments to Dr. Mai

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

Dr. Tammy Mai graduated from University of North Texas Hsc, College of Osteopathic Med

Dr. Mai graduated from University of North Texas Hsc, College of Osteopathic Med in 2010.

  1. Medical schoolUniversity of North Texas Hsc, College of Osteopathic Med

Source: Dmand AI Professional Profile Data

Sources for Dr. Tammy Mai'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)
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. Tammy Mai

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. Tammy Mai's NPI number?

Dr. Tammy Mai's NPI number is 1275821902. It was assigned on July 15, 2011, and it is active in the NPI Registry.

What kind of doctor is Dr. Tammy Mai?

Dr. Tammy Mai is an anesthesiologist in Portland, Oregon. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).

Where does Dr. Tammy Mai practice?

Dr. Mai practices at 1015 Nw 22nd Avenue, W121, Portland, OR 97210. Dr. Mai's primary practice is Legacy Good Samaritan Medical Center in Portland, Oregon, part of Legacy Health. Dmand AI also links Dr. Mai to 1 hospital, 6 medical groups and 3 group practices and clinics.

What is Dr. Tammy Mai's office phone number?

The practice phone on file for Dr. Mai is (503) 413-7682.

What is Dr. Tammy Mai's medical license number?

Dr. Mai holds Oregon license DO173813, one of the licenses on file in 2 states.

Which states has Dr. Tammy Mai been licensed in?

Dmand AI has state licenses on file for Dr. Mai in Oregon and Missouri.

Which hospitals is Dr. Tammy Mai affiliated with?

Dr. Mai practices at Legacy Good Samaritan Medical Center in Portland, Oregon. Dr. Mai is also affiliated with Salem Hospital. Dmand AI links Dr. Mai to 1 more hospital.

What medical group is Dr. Tammy Mai part of?

Dr. Mai is linked to Oregon Anesthesiology Group. Dmand AI links Dr. Mai to 6 more medical groups.

Does Dr. Tammy Mai accept Medicare?

Yes. CMS data shows Dr. Mai billed Medicare for 97 services in 2024, and Dr. Mai accepts Medicare assignment.

How many Medicare patients does Dr. Tammy Mai see?

CMS counts 87 Medicare patients who saw Dr. Mai in 2024, with an average age of 76.

Show 4 more questionsShow fewer questions

What services does Dr. Tammy Mai bill to Medicare?

In 2024, Dr. Mai's most billed Medicare services were heart test or procedure (93312), anesthesia (01926) and heart test or procedure (93320).

Where did Dr. Tammy Mai go to medical school?

Dr. Mai graduated from University of North Texas Hsc, College of Osteopathic Med in 2010.

Has Dr. Tammy Mai received payments from drug or device companies?

CMS Open Payments shows $113 in general payments to Dr. Mai from 3 companies from 2019 to 2020. The largest total came from Halyard Health, Inc.

How long has Dr. Tammy Mai been practicing?

Dr. Mai graduated from medical school in 2010, 16 years ago.

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