NPPES file of Aug 9, 2026

Christopher Haekang Chay, M.D.

Hematology & Oncology Physician · Asheville, NC

Christopher Haekang Chay, M.D. is a hematology & oncology physician with a practice address in Asheville, North Carolina, and NPI 1699764878, issued on Oct 19, 2005. Check the license (North Carolina 9701282, as entered in NPPES) on the North Carolina Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1699764878
Name
Christopher Haekang Chay
Credential
M.D.
Primary taxonomy
Hematology & Oncology Physician 207RH0003X
License numbers
9701282 NC
97-01282 NC
Self-reported in NPPES; status is on the state search
Practice location
551 Brevard RD, Asheville, NC 28806
Phone
(828) 212-7021
Enumerated
Oct 19, 2005
Record last updated
Dec 29, 2022
Fax
(828) 232-8218
Medicaid ID
89132TA NC
Medicare enrollment
Enrolled (PECOS I20080109000890); accepts Medicare assignment
Medical or professional school
University Of North Carolina At Chapel Hill School Of Medicine, 1996
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 551 Brevard RD

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Trevor Austin, MDHematology & Oncology Physician1659509644
  2. Joshua Baru, MDHospice and Palliative Medicine (Internal Medicine) Physician1962571927
  3. Andrew Beardsley, M.D.Hematology & Oncology Physician1881855948
  4. Caroline Brown, MSN, MA, NP-BCNurse Practitioner1013313873
  5. Charles Bryan, M.D.Hematology & Oncology Physician1831189877
  6. Mridu Chand, MDHematology & Oncology Physician1851377196

Verify Christopher Haekang Chay in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersNorth Carolina Medical Board
    Search for license 9701282
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the North Carolina license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

2.6 times the Medicare Part D claims of the average hematology & oncology physician in 2024

2,308 Medicare Part D claims for 351 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 26% of claims. 142 claims were for opioids.

  1. Christopher Chay2,308
  2. Specialty average877

Most prescribed

  1. Prednisone300 claims
  2. Abiraterone Acetate226 claims
  3. Xtandi95 claims
  4. Ondansetron Hcl80 claims
  5. Gabapentin75 claims
  6. Letrozole74 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

No measured MIPS final score for 2023

CMS assigned the neutral MIPS final score of 75 without scoring Quality, Cost, Promoting Interoperability or Improvement Activities. It is an administrative threshold, so PlainDoctor does not compare it with measured clinicians.

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $2,153.41

63 payments; by number, the most common kind was food and beverage; the largest payer was Daiichi Sankyo Inc. The 8,560 providers of this specialty with any payment received $7,481.41 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Christopher Chay$2,153.41
  2. Specialty average$7,481.41

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. American Oncology Partners PAAsheville, NC

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Christopher Haekang Chay among 431 hematology & oncology physician records in North Carolina

Christopher Haekang Chay, M.D. is one of 431 hematology & oncology physician records with a practice address in North Carolina. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 87% newer
  • In a Medicare fileYes · 80% of these records are
  • In the CMS Doctors and Clinicians fileYes · 70% of these records are
  • Graduated1996 · median 2003 among the 302 with a school on file
  • Record last updated2022 · 53% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0003X and a North Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Hematology & Oncology Physician providers in North Carolina

There are 431 hematology & oncology physician records in North Carolina.

The 8 hematology & oncology physician records with the nearest ZIP codes

  1. Trevor Austin, MDAsheville, NC 288061659509644
  2. Andrew Beardsley, M.D.Asheville, NC 288061881855948
  3. Charles Bryan, M.D.Asheville, NC 288061831189877
  4. Mridu Chand, MDAsheville, NC 288061851377196
  5. Shantae Lucas, MDAsheville, NC 288061063402998
  6. Eric Luk, M.D.Asheville, NC 288061992125934
  7. Michael Messino, M.D.Asheville, NC 288061699765529
  8. Martin Palmeri, M.D.,M.B.A.Asheville, NC 288061811005374

Common questions

What is Christopher Haekang Chay, M.D.'s NPI number?

Christopher Haekang Chay, M.D.'s National Provider Identifier (NPI) is 1699764878, issued on Oct 19, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Christopher Haekang Chay, M.D. located?

The NPPES record lists a practice address at 551 Brevard RD, Asheville, NC, 28806. Phone: (828) 212-7021. Providers update this record themselves, so call before visiting.

How can I verify Christopher Haekang Chay, M.D.'s license?

NPPES lists North Carolina license number 9701282, as entered by the provider. Search the North Carolina Medical Board at https://portal.ncmedboard.org/verification/search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Christopher Haekang Chay, M.D. prescribe under Medicare Part D?

In 2024, Christopher Haekang Chay, M.D. had 2,308 Medicare Part D claims for 351 beneficiaries; the average among hematology & oncology physician prescribers was 877. Part D covers Medicare prescriptions only.

What is Christopher Haekang Chay, M.D.'s MIPS final score?

CMS assigned the neutral MIPS final score of 75 for 2023 without scoring any category, so it is not a measured result.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.