Douglas Millet Cluff, M.D.
Family Medicine Physician · Irving, TX
Douglas Millet Cluff, M.D. is a family medicine physician with a practice address in Irving, Texas, and NPI 1508890914, issued on Jul 10, 2006. Check the license (Texas L1822, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Douglas Millet Cluff
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- L1822 TX
Self-reported in NPPES; status is on the state search - Practice location
- 400 W IH 635 Fwy, Irving, TX 75063
- Phone
- (972) 869-2772
- Enumerated
- Jul 10, 2006
- Record last updated
- Sep 15, 2009 (not updated in 17 years: call before relying on the address or phone)
- Fax
- (972) 869-1747
- Medicaid ID
- 149129201 TX
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 11,119 in Texas → Look up another NPI →
Also registered at 400 W IH 635 Fwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Anand Bhatt, M.D.Pediatrics Physician1164447579
- Michelle Fowers, M.D.Pediatrics Physician1043243744
- Michelle Han, M.D.Pediatrics Physician1841223542
- Tiffany Harvey, M.D.Internal Medicine Physician1346405636
- Melissa Johnson, PNPPediatric Nurse Practitioner1902194301
- Manvinder Kainth, M.D.Family Medicine Physician1396893491
Verify Douglas Millet Cluff in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license L1822Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
80% fewer Medicare Part D claims than the average family medicine physician in 2024
719 Medicare Part D claims for 48 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 21 claims were for opioids.
Most prescribed
- Atorvastatin Calcium33 claims
- Gabapentin32 claims
- Trazodone Hcl28 claims
- Lisinopril27 claims
- Metoprolol Succinate24 claims
- Levothyroxine Sodium23 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.
Douglas Millet Cluff among 11,119 family medicine physician records in Texas
Douglas Millet Cluff, M.D. is one of 11,119 family medicine physician records with a practice address in Texas. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 12% of them.
- NPI issued2006 · 12% of these records are older, 54% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileNo · 64% of these records are
- Record last updated2009 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
90 family medicine physician records list a practice address in Irving
They are 90 of the 3,532 NPPES records with a practice address in Irving, and 11,119 family medicine physician records in Texas.
All 11,119 in Texas → Every provider in Irving → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Scott Daigle, MDIrving, TX 750631184730772
- Sat Gupta, DOIrving, TX 750631013999549
- Anwar Haque, M.D.Irving, TX 750631508962739
- Amber Hyde, M.D.Irving, TX 750631902083082
- Manvinder Kainth, M.D.Irving, TX 750631396893491
- Rolf Naley, MDIrving, TX 750631407889181
- Shalin Parikh, M.D.Irving, TX 750631902105240
- Madhu Potla, MDIrving, TX 750631366468944
Common questions
What is Douglas Millet Cluff, M.D.'s NPI number?
Douglas Millet Cluff, M.D.'s National Provider Identifier (NPI) is 1508890914, issued on Jul 10, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Douglas Millet Cluff, M.D. located?
The NPPES record lists a practice address at 400 W IH 635 Fwy, Irving, TX, 75063. Phone: (972) 869-2772. Providers update this record themselves, so call before visiting.
How can I verify Douglas Millet Cluff, M.D.'s license?
NPPES lists Texas license number L1822, 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 Douglas Millet Cluff, M.D. prescribe under Medicare Part D?
In 2024, Douglas Millet Cluff, M.D. had 719 Medicare Part D claims for 48 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
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.