Najam Siddiqui, DO
Pulmonary Disease Physician · Dallas, TX
Najam Siddiqui, DO is a pulmonary disease physician with a practice address in Dallas, Texas, and NPI 1598297194, issued on Apr 1, 2017. Check the license (Texas U3018, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Najam Siddiqui
- Credential
- DO
- Primary taxonomy
- Pulmonary Disease Physician 207RP1001X
- License number
- U3018 TX
Self-reported in NPPES; status is on the state search - Practice location
- 221 W Colorado Blvd, Dallas, TX 75208
- Phone
- (214) 960-5681
- Enumerated
- Apr 1, 2017
- Record last updated
- Jan 30, 2024
- Fax
- (214) 960-5681
- Medicare enrollment
- Enrolled (PECOS I20230601003016); accepts Medicare assignment
- Medical or professional school
- Lake Erie College Of Osteopathic Medicine, Erie, 2017
- Entity
- Type 1 · individual
8 nearest pulmonary disease physician records → All 967 in Texas → Look up another NPI →
Also registered at 221 W Colorado Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Howard Anderson, M.D.Internal Medicine Physician1396825006
- Antonio Arazoza, M.D.Orthopaedic Surgery Physician1154393577
- Hermine Ariyibi, NPAdult Health Nurse Practitioner1568615417
Verify Najam Siddiqui in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license U3018Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
88% fewer Medicare Part D claims than the average pulmonary disease physician in 2024
175 Medicare Part D claims for 59 beneficiaries, against an average of 1,425 among the 11,596 providers of this specialty who prescribed in Part D. Brand-name drugs were 48% of claims.
Most prescribed
- Albuterol Sulfate Hfa35 claims
- Trelegy Ellipta18 claims
- Azelastine Hcl12 claims
- Stiolto Respimat11 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.
Bills Medicare through one group practice
- Dallas Pulmonary And Critical Care PADallas, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Najam Siddiqui among 967 pulmonary disease physician records in Texas
Najam Siddiqui, DO is one of 967 pulmonary disease physician records with a practice address in Texas. 88% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 89% of them.
- NPI issued2017 · 89% of these records are older, 7% newer
- In a Medicare fileYes · 88% of these records are
- In the CMS Doctors and Clinicians fileYes · 80% of these records are
- Graduated2017 · median 2001 among the 773 with a school on file
- Record last updated2024 · 48% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RP1001X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pulmonary Disease Physician providers in Texas
There are 967 pulmonary disease physician records in Texas.
All 967 in Texas → Every provider in Dallas → Pulmonary Disease Physician nationwide →
The 8 pulmonary disease physician records with the nearest ZIP codes
- Arturo Aviles, MDDallas, TX 752081356381750
- Andrew Bayat, M.D.Dallas, TX 752081316380058
- Zachary Dreyfuss, M.D.Dallas, TX 752081063701605
- Yasser Etman, MDDallas, TX 752081295949980
- Valentino Fernandes, M.D.Dallas, TX 752081144213489
- Peter Heidbrink, M.D.Dallas, TX 752081124071956
- Jacqueline Horst, M.D.Dallas, TX 752081003158254
- Madhuri Kamatham, M.D.Dallas, TX 752081972665289
Common questions
What is Najam Siddiqui, DO's NPI number?
Najam Siddiqui, DO's National Provider Identifier (NPI) is 1598297194, issued on Apr 1, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Najam Siddiqui, DO located?
The NPPES record lists a practice address at 221 W Colorado Blvd, Dallas, TX, 75208. Phone: (214) 960-5681. Providers update this record themselves, so call before visiting.
How can I verify Najam Siddiqui, DO's license?
NPPES lists Texas license number U3018, 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 Najam Siddiqui, DO prescribe under Medicare Part D?
In 2024, Najam Siddiqui, DO had 175 Medicare Part D claims for 59 beneficiaries; the average among pulmonary disease physician prescribers was 1,425. 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.