Robert D. Johnston, MD
Family Medicine Physician · La Porte, TX
Robert D. Johnston, MD is a family medicine physician with a practice address in La Porte, Texas, and NPI 1649272907, issued on Jun 1, 2005. Check the license (Texas H4443, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Robert D. Johnston
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- H4443 TX
Self-reported in NPPES; status is on the state search - Practice location
- 11006 Spencer Hwy, La Porte, TX 77571
- Phone
- (281) 470-2100
- Enumerated
- Jun 1, 2005
- Record last updated
- Oct 27, 2025
- Fax
- (281) 867-8219
- Medicare enrollment
- Enrolled (PECOS I20060213000257); accepts Medicare assignment
- Medical or professional school
- Texas A & M University System, Hsc, College Of Medicine, 1987
- Entity
- Type 1 · individual
Also registered at 11006 Spencer Hwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ashley Gilbert, PA-C, M.P.A.S.Physician Assistant1881040004
- Steve Gove, FNPFamily Nurse Practitioner1689679250
- Megan Johnson, PAPhysician Assistant1659660439
- Tenecia MasonFamily Nurse Practitioner1174391049
- Susanne Ramey, FNP-CFamily Nurse Practitioner1093056210
- Ericka Small, ARNPAdult Health Nurse Practitioner1891137584
Verify Robert D. Johnston in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license H4443Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.5 times the Medicare Part D claims of the average family medicine physician in 2024
8,866 Medicare Part D claims for 488 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 777 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen331 claims
- Levothyroxine Sodium293 claims
- Atorvastatin Calcium266 claims
- Alprazolam249 claims
- Rosuvastatin Calcium216 claims
- Lisinopril194 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: $904.89
39 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 55,478 providers of this specialty with any payment received $902.55 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
- Mycare Medical OF Texas PLLCLa Porte, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
4 family medicine physician records list a practice address in La Porte
They are 4 of the 134 NPPES records with a practice address in La Porte, and 11,119 family medicine physician records in Texas.
All 4 in La Porte → All 11,119 in Texas → Every provider in La Porte →
Other family medicine physician records in Texas
- Srinivasa Aaluri, MDEl Paso, TX1265566509
- Maira Aamir, MDShenandoah, TX1932660859
- Fakhrudin Aaseemah Mohamed, M.DAllen, TX1952782518
- So Abad, MDWichita Falls, TX1184624694
- Yoseph AbadiRichardson, TX1700742640
- Marcus Abadie, M.D.Athens, TX1104821107
- Montserrat Abadie Sole, M.D.Fort Worth, TX1245437078
- Sarah Abang-Hayes, M.D.San Antonio, TX1326244724
- Ahmad Abazid, M.DRichardson, TX1013238401
- Syed Abbas, M.D.Houston, TX1821267477
Common questions
What is Robert D. Johnston, MD's NPI number?
Robert D. Johnston, MD's National Provider Identifier (NPI) is 1649272907, issued on Jun 1, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Robert D. Johnston, MD located?
The NPPES record lists a practice address at 11006 Spencer Hwy, La Porte, TX, 77571. Phone: (281) 470-2100. Providers update this record themselves, so call before visiting.
How can I verify Robert D. Johnston, MD's license?
NPPES lists Texas license number H4443, 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 Robert D. Johnston, MD prescribe under Medicare Part D?
In 2024, Robert D. Johnston, MD had 8,866 Medicare Part D claims for 488 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.