Dr. May T. Chow, MD
- Medicare services, 2023
- 1,364
- Part D claims, 2024
- 99
- Industry payments
- $4,828
- Affiliated sites
- 1
- Medical group
- 1
- Practice address
- 120 N Oak St, Hinsdale, IL 60521
- Practice phone
- Call (630) 856-9000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
AdventHealth Hinsdale Hospital
Hinsdale, Illinois
Find Dr. Chow's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. May T. Chow is a nephrologist in Hinsdale, Illinois
Dr. Chow practices at AdventHealth Hinsdale Hospital in Hinsdale, Illinois.
Dr. Chow's NPI, 1770580870, was assigned on July 5, 2005. Dr. Chow holds Illinois license 036087665.
- NPI
- 1770580870NPI Registry (opens in a new tab)
- NPI enumeration date
- July 5, 2005
- NPI status
- Active
- Practice phone
- (630) 856-9000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 66
- Medical school graduation
- 1986
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. May T. Chow practices at AdventHealth Hinsdale Hospital in Hinsdale, Illinois
Dr. Chow's primary practice is AdventHealth Hinsdale Hospital, at 120 N Oak St, Hinsdale, IL 60521 in Dupage County. The practice phone is (630) 856-9000.
- AdventHealth Hinsdale Hospital120 N Oak St, Hinsdale, IL 60521 · Dupage CountyPhone(630) 856-9000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. May T. Chow is affiliated with 2 sites of care and 1 medical group
Dr. Chow's primary practice is AdventHealth Hinsdale Hospital in Hinsdale, Illinois. The medical group on file is NANI (Nephrology Associates of Northern Illinois and Indiana). Dmand AI also links Dr. Chow to 1 more group practice or clinic, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. May T. Chow's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chow practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| AdventHealth Hinsdale Hospital | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. May T. Chow is one of 534 nephrologists in Illinois
Nephrology is Dr. Chow's primary specialty in the NPI Registry, under taxonomy code 207RN0300X. Dr. Chow is licensed in Illinois.
Specialties and state licenses
- Nephrology, IllinoisPrimary
Nephrologists near Dr. Chow
Counts of nephrologists 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. May T. Chow billed Medicare for 1,364 services in 2023
CMS data shows 1,364 Medicare services from Dr. Chow across 11 procedure codes in 2023. Medicare paid $130,334 for them.
Dr. Chow's Medicare services by type, 2022 to 2023
- 2022
- 2023
- Office and hospital visits
- 2022: 2,0482023: 1,23540%
- Tests and treatments
- 2022: 2472023: 12948%
- Lab and pathology
- 2022: 382023: 0100%
Where Dr. Chow's Medicare services took place, 2023
- In an office63647%
- In a facility72853%
Dr. Chow compared with the Illinois median for nephrologists, 2023
- Dr. Chow
- Illinois median
- Medicare services
- 1,364vs 1,2846% above
- Part D claims
- 13vs 57898% below
Medians across 526 nephrologists in Illinois with Dmand AI profiles that report each measure.
Dr. Chow's most billed Medicare procedure codes, 2023
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. Chow?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Chow and other nephrologists in Illinois.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. May T. Chow's patients have a median age of 74
Across all payers, Dmand AI patient panel data puts Dr. Chow's median patient age at 74, with 42% women.
Dr. Chow's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 74
Patient panel by sex, all payers
- Women42%
- Men58%
Source: Dmand AI Patient Panel Data
Dr. May T. Chow wrote 99 Medicare Part D claims in 2024
In 2024, Dr. Chow wrote 99 Medicare Part D claims for 52 patients. 79% of them were for generic drugs. CMS names the drug for 13 of them, across 1 drug with 11 or more claims each, at $9,028 in total drug cost. In 2023, CMS named 688 claims across 24 drugs.
Dr. Chow's Part D claims by kind of drug, 2024
- Generic78 claims79%
- Brand-name21 claims21%
Dr. Chow'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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 6882024: 1398%
Drugs named by CMS: 1 in 2024, 24 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
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Dr. May T. Chow received $4,828 in industry payments from 2016 to 2025
CMS Open Payments shows 126 general payments to Dr. Chow from 36 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 93% of the total. Novartis Pharmaceuticals Corporation paid the most, $1,250.
General payments to Dr. Chow by program year, 2016 to 2025
General payments to Dr. Chow by kind, 2016 to 2025
- Food and beverage$4,50193%
- Education$3277%
Companies that paid Dr. Chow the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. May T. Chow'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation 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 Data |
| 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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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. May T. Chow
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. May T. Chow's NPI number?
Dr. May T. Chow's NPI number is 1770580870. It was assigned on July 5, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. May T. Chow?
Dr. May T. Chow is a nephrologist in Hinsdale, Illinois. The primary specialty in the NPI Registry is Nephrology Physician (taxonomy code 207RN0300X).
Where does Dr. May T. Chow practice?
Dr. Chow practices at 120 N Oak St, Hinsdale, IL 60521. Dr. Chow's primary practice is AdventHealth Hinsdale Hospital in Hinsdale, Illinois. Dmand AI also links Dr. Chow to 1 group practice or clinic.
What is Dr. May T. Chow's office phone number?
The practice phone on file for Dr. Chow is (630) 856-9000.
What is Dr. May T. Chow's medical license number?
Dr. Chow holds Illinois license 036087665.
What medical group is Dr. May T. Chow part of?
Dr. Chow is linked to NANI (Nephrology Associates of Northern Illinois and Indiana).
Does Dr. May T. Chow accept Medicare?
Yes. CMS data shows Dr. Chow billed Medicare for 1,364 services in 2023.
What services does Dr. May T. Chow bill to Medicare?
In 2023, Dr. Chow's most billed Medicare services were care management and other visits (99490), hospital inpatient care (99233) and hospital inpatient care (99232).
What drugs does Dr. May T. Chow prescribe most?
In 2024 Medicare Part D data, Dr. Chow's most prescribed drugs by claims were Farxiga.
Has Dr. May T. Chow received payments from drug or device companies?
CMS Open Payments shows $4,828 in general payments to Dr. Chow from 36 companies from 2016 to 2025. The largest total came from Novartis Pharmaceuticals Corporation.
How long has Dr. May T. Chow been practicing?
Dr. Chow graduated from medical school in 1986, 40 years ago.
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