Grant H. Chen, M.D.
Pain Medicine (Anesthesiology) Physician · Houston, TX
Grant H. Chen, M.D. is a pain medicine (anesthesiology) physician with a practice address in Houston, Texas, and NPI 1548555469, issued on Jun 20, 2011. Check the license (Texas S8810, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Grant H. Chen
- Credential
- M.D.
- Primary taxonomy
- Pain Medicine (Anesthesiology) Physician 207LP2900X
- License numbers
- S8810 TX
25MA10180200 NJ
279067 NY
Self-reported in NPPES; status is on the state search - Practice location
- 6431 Fannin St., Houston, TX 77030
- Phone
- (713) 500-6200
- Enumerated
- Jun 20, 2011
- Record last updated
- Aug 31, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20210628001668); accepts Medicare assignment
- Medical or professional school
- Texas Tech University Health Science Center School Of Medicine, 2011
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest pain medicine (anesthesiology) physician records → All 382 in Texas → Look up another NPI →
Also registered at 6431 Fannin St.
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Angie Aceves, MDEmergency Medicine Physician1952977753
- Mohammad Asim Amjad, MDStudent in an Organized Health Care Education/Training Program1932720307
- Muhammad Ali AneesStudent in an Organized Health Care Education/Training Program1144841529
- Calli Bertschy, D.O.Sleep Medicine (Internal Medicine) Physician1417489451
- Shaun Collins, DOEmergency Medicine Physician1174268205
- Ricardo Concepcion Gomez, M.D.Student in an Organized Health Care Education/Training Program1699394924
Verify Grant H. Chen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license S8810Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
75% fewer Medicare Part D claims than the average pain medicine (anesthesiology) physician in 2024
430 Medicare Part D claims for 155 beneficiaries, against an average of 1,750 among the 2,982 providers of this specialty who prescribed in Part D. 125 claims were for opioids.
Most prescribed
- Gabapentin107 claims
- Meloxicam45 claims
- Hydrocodone-Acetaminophen42 claims
- Pregabalin39 claims
- Tramadol Hcl29 claims
- Duloxetine Hcl27 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 82.4 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $43,734.69
69 payments; by number, the most common kind was food and beverage; the largest payer was Spr Therapeutics, Inc. The 2,789 providers of this specialty with any payment received $3,225.41 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
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
- UT PhysiciansHouston, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Grant H. Chen among 382 pain medicine (anesthesiology) physician records in Texas
Grant H. Chen, M.D. is one of 382 pain medicine (anesthesiology) physician records with a practice address in Texas. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 69% of them.
- NPI issued2011 · 69% of these records are older, 27% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 74% of these records are
- Graduated2011 · median 2007 among the 284 with a school on file
- Record last updated2021 · 52% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207LP2900X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pain Medicine (Anesthesiology) Physician providers in Texas
There are 382 pain medicine (anesthesiology) physician records in Texas.
All 382 in Texas → Every provider in Houston → Pain Medicine (Anesthesiology) Physician nationwide →
The 8 pain medicine (anesthesiology) physician records with the nearest ZIP codes
- Thao Bui, M.D.Houston, TX 770301659465367
- Allen Burton, M.D.Houston, TX 770301760582688
- Octavio Calvillo, M.D.Houston, TX 770301831131572
- Joseph Chiang, M.D.Houston, TX 770301841398716
- Larry Driver, M.DHouston, TX 770301346339033
- Mitchell Engle, M.D., PH.D.Houston, TX 770301790946051
- David Ferson, M.D.Houston, TX 770301710082334
- Billy Huh, M.D.Houston, TX 770301760566673
Common questions
What is Grant H. Chen, M.D.'s NPI number?
Grant H. Chen, M.D.'s National Provider Identifier (NPI) is 1548555469, issued on Jun 20, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Grant H. Chen, M.D. located?
The NPPES record lists a practice address at 6431 Fannin St., Houston, TX, 77030. Phone: (713) 500-6200. Providers update this record themselves, so call before visiting.
How can I verify Grant H. Chen, M.D.'s license?
NPPES lists Texas license number S8810, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Grant H. Chen, M.D. prescribe under Medicare Part D?
In 2024, Grant H. Chen, M.D. had 430 Medicare Part D claims for 155 beneficiaries; the average among pain medicine (anesthesiology) physician prescribers was 1,750. Part D covers Medicare prescriptions only.
What is Grant H. Chen, M.D.'s MIPS final score?
The 2023 MIPS final score is 82.4 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.