Roger D. Smalligan, MD, MPH
Internal Medicine Physician · Huntsville, AL
Roger D. Smalligan, MD, MPH is an internal medicine physician with a practice address in Huntsville, Alabama, and NPI 1972591782, issued on Oct 6, 2005. Check the license (Alabama MD.35626, as entered in NPPES) on the Alabama Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Roger D. Smalligan
- Credential
- MD, MPH
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- MD.35626 AL
21385 TN
MD21385 TN
N4758 TX
Self-reported in NPPES; status is on the state search - Practice location
- 301 Governors Dr SW, Huntsville, AL 35801
- Phone
- (256) 536-5511
- Enumerated
- Oct 6, 2005
- Record last updated
- Jan 19, 2023
- Medicaid IDs
- 200263280 A OK
4086850 TN
205346401 TX
40572889 NM - Medicare enrollment
- Enrolled (PECOS I20170403000802); accepts Medicare assignment
- Medical or professional school
- Johns Hopkins University School Of Medicine, 1987
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 1,705 in Alabama → Look up another NPI →
Also registered at 301 Governors Dr SW
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Nessy Abraham, M. DInternal Medicine Physician1609154681
- Sawsan Alkurabi, M.D.Student in an Organized Health Care Education/Training Program1710230586
- Miranda AndrusPharmacotherapy Pharmacist1801203658
- Bayley Atkins, MDStudent in an Organized Health Care Education/Training Program1568213288
- Alan Baggett, M.D.Internal Medicine Physician1104144252
- Amani Bajunayd, MDStudent in an Organized Health Care Education/Training Program1316557754
Verify Roger D. Smalligan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersAlabama Board of Medical Examiners
Search for license MD.35626Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average internal medicine physician in 2024
61 Medicare Part D claims for 30 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Nitrofurantoin13 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
- The Valley FoundationHuntsville, AL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Roger D. Smalligan among 1,705 internal medicine physician records in Alabama
Roger D. Smalligan, MD, MPH is one of 1,705 internal medicine physician records with a practice address in Alabama. 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, 91% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 67% of these records are
- Graduated1987 · median 2003 among the 1,136 with a school on file
- Record last updated2023 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Alabama practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
98 internal medicine physician records list a practice address in Huntsville
They are 98 of the 5,555 NPPES records with a practice address in Huntsville, and 1,705 internal medicine physician records in Alabama.
All 1,705 in Alabama → Every provider in Huntsville → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Bala Chennupati, M.D.Huntsville, AL 358011922080084
- Don Evans, MDHuntsville, AL 358011710969522
- John Fanning, MDHuntsville, AL 358011417938762
- Carolyn Herrington, M.D.Huntsville, AL 358011669453411
- Rupen Joshi, M.D.Huntsville, AL 358011457341463
- Zaheer Khan, M.D.Huntsville, AL 358011669454351
- Martin Lynn, M.D.Huntsville, AL 358011760464820
- Dibyajiban Mahapatra, M.D.Huntsville, AL 358011639163769
Common questions
What is Roger D. Smalligan, MD, MPH's NPI number?
Roger D. Smalligan, MD, MPH's National Provider Identifier (NPI) is 1972591782, issued on Oct 6, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Roger D. Smalligan, MD, MPH located?
The NPPES record lists a practice address at 301 Governors Dr SW, Huntsville, AL, 35801. Phone: (256) 536-5511. Providers update this record themselves, so call before visiting.
How can I verify Roger D. Smalligan, MD, MPH's license?
NPPES lists Alabama license number MD.35626, as entered by the provider. Search the Alabama Board of Medical Examiners at https://www.albme.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Roger D. Smalligan, MD, MPH prescribe under Medicare Part D?
In 2024, Roger D. Smalligan, MD, MPH had 61 Medicare Part D claims for 30 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.