Robert C. Holladay, M.D.
Pulmonary Disease Physician · Shreveport, LA
Robert C. Holladay, M.D. is a pulmonary disease physician with a practice address in Shreveport, Louisiana, and NPI 1124023668, issued on Jun 20, 2005. Check the license (Louisiana 020136, as entered in NPPES) on the Louisiana State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Robert C. Holladay
- Credential
- M.D.
- Primary taxonomy
- Pulmonary Disease Physician 207RP1001X
- License numbers
- 020136 LA
MD.020136 LA
Self-reported in NPPES; status is on the state search - Practice location
- 850 Olive St, Shreveport, LA 71104
- Phone
- (318) 222-3662
- Enumerated
- Jun 20, 2005
- Record last updated
- Feb 12, 2025
- Fax
- (318) 222-0034
- Medicaid ID
- 1987115 LA
- Medicare enrollment
- Enrolled (PECOS I20090225000709); accepts Medicare assignment
- Medical or professional school
- Louisiana State University School Of Medicine In Shreveport, 1988
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest pulmonary disease physician records → All 208 in Louisiana → Look up another NPI →
Also registered at 850 Olive St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ioannis Moissidis, MDAllergy & Immunology Physician1053308742
Verify Robert C. Holladay in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersLouisiana State Board of Medical Examiners
Search for license 020136Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
34% fewer Medicare Part D claims than the average pulmonary disease physician in 2024
944 Medicare Part D claims for 142 beneficiaries, against an average of 1,425 among the 11,596 providers of this specialty who prescribed in Part D. Brand-name drugs were 49% of claims.
Most prescribed
- Trelegy Ellipta132 claims
- Albuterol Sulfate Hfa110 claims
- Prednisone51 claims
- Fluticasone Propionate46 claims
- Montelukast Sodium44 claims
- Azithromycin42 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.
Industry payments in 2024: $2,028.65
104 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 8,806 providers of this specialty with any payment received $5,159.88 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 2 group practices
- Lsu Health Sciences Center Shreveport Faculty Group PracticeShreveport, LA
- Nrmc Physician Ipa IncNatchitoches, LA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Robert C. Holladay among 208 pulmonary disease physician records in Louisiana
Robert C. Holladay, M.D. is one of 208 pulmonary disease physician records with a practice address in Louisiana. 84% 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, 84% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 75% of these records are
- Graduated1988 · median 2001 among the 156 with a school on file
- Record last updated2025 · 61% 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 Louisiana 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 Louisiana
There are 208 pulmonary disease physician records in Louisiana.
All 208 in Louisiana → Every provider in Shreveport → Pulmonary Disease Physician nationwide →
The 8 pulmonary disease physician records with the nearest ZIP codes
- Howard Lippton, M.D.Shreveport, LA 711041548267578
- Teddy Arevalo Rodriguez, MDShreveport, LA 711031295390169
- Afsana Asharaf, MDShreveport, LA 711031114448784
- Daniel Banks, M.D.Shreveport, LA 711031790707131
- Randy Bryn, MDShreveport, LA 711031851497275
- David Chambers, M.D.Shreveport, LA 711031306139746
- Himanshu Desai, MDShreveport, LA 711051710976592
- Ashley Ferraro, DOShreveport, LA 711031912917139
Common questions
What is Robert C. Holladay, M.D.'s NPI number?
Robert C. Holladay, M.D.'s National Provider Identifier (NPI) is 1124023668, issued on Jun 20, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Robert C. Holladay, M.D. located?
The NPPES record lists a practice address at 850 Olive St, Shreveport, LA, 71104. Phone: (318) 222-3662. Providers update this record themselves, so call before visiting.
How can I verify Robert C. Holladay, M.D.'s license?
NPPES lists Louisiana license number 020136, as entered by the provider. Search the Louisiana State Board of Medical Examiners at https://www.lsbme.la.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Robert C. Holladay, M.D. prescribe under Medicare Part D?
In 2024, Robert C. Holladay, M.D. had 944 Medicare Part D claims for 142 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.