Dr. Wai Tak Loh, MD
- Medicare services, 2024
- 62
- Medicare patients, 2024
- 104
- Hospital affiliations
- 1
- Industry payments
- $776
- Medical groups
- 2
- Practice address
- 690 North Cofco Center Court, Suite 150, Phoenix, AZ 85008
- Practice phone
- Call (602) 288-4441
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Gateway Surgery Center - Phoenix
Surgery Center - Medicare-Certified · Phoenix, Arizona
Find Dr. Loh's professional email, personal email and mobile number
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Dr. Wai Tak Loh is an anesthesiologist in Phoenix, Arizona
Dr. Loh practices at Gateway Surgery Center - Phoenix in Phoenix, Arizona.
Dr. Loh's NPI, 1346217015, was assigned on March 2, 2006. Dr. Loh graduated from University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) in 1985. Dr. Loh holds Arizona license 18657.
- NPI
- 1346217015NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4981636131
- NPI enumeration date
- March 2, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (602) 288-4441
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 67
- Medical school graduation
- 1985
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Wai Tak Loh practices at Gateway Surgery Center - Phoenix in Phoenix, Arizona
Dr. Loh's primary practice is Gateway Surgery Center - Phoenix, at 690 North Cofco Center Court, Suite 150, Phoenix, AZ 85008. The practice phone is (602) 288-4441.
- Gateway Surgery Center - Phoenix690 North Cofco Center Court, Suite 150, Phoenix, AZ 85008Phone(602) 288-4441
Source: Dmand AI Affiliation Data
Dr. Wai Tak Loh is affiliated with 4 sites of care and 2 medical groups
Dr. Loh's primary practice is Gateway Surgery Center - Phoenix in Phoenix, Arizona. Dr. Loh is also affiliated with Dignity Health Arizona Specialty Hospital. The medical group on file is National Partners in Healthcare. Dmand AI also links Dr. Loh to 2 more group practices and clinics and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Wai Tak Loh's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Loh practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Gateway Surgery Center - Phoenix | Available with a free account |
| +3 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Wai Tak Loh is one of 1,244 anesthesiologists in Arizona
Anesthesiology is Dr. Loh's primary specialty in the NPI Registry, under taxonomy code 207L00000X. Dr. Loh is licensed in Arizona.
Specialties and state licenses
- Anesthesiology, ArizonaPrimary
Anesthesiologists near Dr. Loh
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. Wai Tak Loh billed Medicare for 62 services in 2024
CMS data shows 62 Medicare services from Dr. Loh across 4 procedure codes in 2024, for 104 Medicare patients. Medicare paid $7,148 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Loh's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Anesthesia
- 2023: 502024: 484%
- Surgery
- 2023: 442024: 1468%
Dr. Loh compared with the Arizona median for anesthesiologists, 2024
- Dr. Loh
- Arizona median
- Medicare services
- 62vs 7214% below
- Medicare patients
- 104vs 13322% below
Medians across 1,218 anesthesiologists in Arizona with Dmand AI profiles that report each measure.
Dr. Loh'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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Loh and other anesthesiologists in Arizona.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Wai Tak Loh treated 104 Medicare patients in 2024, average age 73
CMS counts 104 Medicare patients who saw Dr. Loh in 2024. The largest group is 65 to 74, with 60 patients. 75% of them have high cholesterol, and 74% have arthritis. Their average risk score is 0.92, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Loh's median patient age at 57, with 50% women.
Dr. Loh's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Loh's Medicare patients by sex, 2024
- Women5957%
- Men4543%
Chronic conditions among Dr. Loh's Medicare patients, 2024
- High cholesterol75%
- Arthritis74%
- High blood pressure64%
- Mood disorders30%
- Depression26%
- Ischemic heart disease24%
- Anxiety21%
- Diabetes18%
Share of Medicare patients with each condition. A patient can have several.
Dr. Loh's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 57
Patient panel by sex, all payers
- Women50%
- Men49%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How Dr. Wai Tak Loh takes part in Medicare
Dr. Loh 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. Wai Tak Loh received $776 in industry payments from 2016 to 2024
CMS Open Payments shows 9 general payments to Dr. Loh from 4 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 100% of the total. Merck Sharp & Dohme Corporation paid the most, $517.
General payments to Dr. Loh by program year, 2016 to 2024
Companies that paid Dr. Loh the most, 2016 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Wai Tak Loh graduated from University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb)
Dr. Loh graduated from University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) in 1985.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Wai Tak Loh'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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| 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. Wai Tak Loh
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. Wai Tak Loh's NPI number?
Dr. Wai Tak Loh's NPI number is 1346217015. It was assigned on March 2, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Wai Tak Loh?
Dr. Wai Tak Loh is an anesthesiologist in Phoenix, Arizona. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).
Where does Dr. Wai Tak Loh practice?
Dr. Loh practices at 690 North Cofco Center Court, Suite 150, Phoenix, AZ 85008. Dr. Loh's primary practice is Gateway Surgery Center - Phoenix in Phoenix, Arizona. Dmand AI also links Dr. Loh to 2 group practices and clinics and 1 medical group.
What is Dr. Wai Tak Loh's office phone number?
The practice phone on file for Dr. Loh is (602) 288-4441.
What is Dr. Wai Tak Loh's medical license number?
Dr. Loh holds Arizona license 18657.
Which hospitals is Dr. Wai Tak Loh affiliated with?
Dr. Loh is affiliated with Dignity Health Arizona Specialty Hospital.
What medical group is Dr. Wai Tak Loh part of?
Dr. Loh is linked to National Partners in Healthcare. Dmand AI links Dr. Loh to 1 more medical group.
Does Dr. Wai Tak Loh accept Medicare?
Yes. CMS data shows Dr. Loh billed Medicare for 62 services in 2024, and Dr. Loh accepts Medicare assignment.
How many Medicare patients does Dr. Wai Tak Loh see?
CMS counts 104 Medicare patients who saw Dr. Loh in 2024, with an average age of 73.
What services does Dr. Wai Tak Loh bill to Medicare?
In 2024, Dr. Loh's most billed Medicare services were anesthesia (01480), anesthesia (01810) and anesthesia (01630).
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Where did Dr. Wai Tak Loh go to medical school?
Dr. Loh graduated from University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) in 1985.
Has Dr. Wai Tak Loh received payments from drug or device companies?
CMS Open Payments shows $776 in general payments to Dr. Loh from 4 companies from 2016 to 2024. The largest total came from Merck Sharp & Dohme Corporation.
How long has Dr. Wai Tak Loh been practicing?
Dr. Loh graduated from medical school in 1985, 41 years ago.
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