Zachary Paul Castle, D.O.
Family Medicine Physician · Plano, TX
Zachary Paul Castle, D.O. is a family medicine physician with a practice address in Plano, Texas, and NPI 1619388774, issued on May 12, 2014. Check the license (Texas R1711, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Zachary Paul Castle
- Credential
- D.O.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- R1711 TX
Self-reported in NPPES; status is on the state search - Practice location
- 5655 W Spring Creek Pkwy Ste 200, Plano, TX 75024
- Phone
- (972) 599-9600
- Enumerated
- May 12, 2014
- Record last updated
- Dec 16, 2025
- Medicaid ID
- 376817801 TX
- Medicare enrollment
- Enrolled (PECOS I20170724001938); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 5655 W Spring Creek Pkwy Ste 200
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Munira AsifPrimary Care Nurse Practitioner1871106930
- Tonia Field, P.A.Medical Physician Assistant1053359778
- Steven FreyFamily Medicine Physician1285293670
- Kishore Gadikota, M.D.Pediatrics Physician1366616583
- Jennifer Griffith, PA-CPhysician Assistant1427760156
- Lynn Gross, FNP-CFamily Nurse Practitioner1811377419
Verify Zachary Paul Castle in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license R1711Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
55% fewer Medicare Part D claims than the average family medicine physician in 2024
1,587 Medicare Part D claims for 207 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 17 claims were for opioids.
Most prescribed
- Atorvastatin Calcium92 claims
- Amlodipine Besylate86 claims
- Losartan Potassium60 claims
- Levothyroxine Sodium58 claims
- Rosuvastatin Calcium58 claims
- Metformin Hcl39 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: $1,169.49
55 payments; by number, the most common kind was food and beverage; the largest payer was Novo Nordisk 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
- Catalyst Physician Group - Ntx, PLLCPlano, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
138 family medicine physician records list a practice address in Plano
They are 138 of the 7,271 NPPES records with a practice address in Plano, and 11,119 family medicine physician records in Texas.
All 138 in Plano → All 11,119 in Texas → Every provider in Plano →
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 Zachary Paul Castle, D.O.'s NPI number?
Zachary Paul Castle, D.O.'s National Provider Identifier (NPI) is 1619388774, issued on May 12, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Zachary Paul Castle, D.O. located?
The NPPES record lists a practice address at 5655 W Spring Creek Pkwy Ste 200, Plano, TX, 75024. Phone: (972) 599-9600. Providers update this record themselves, so call before visiting.
How can I verify Zachary Paul Castle, D.O.'s license?
NPPES lists Texas license number R1711, 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 Zachary Paul Castle, D.O. prescribe under Medicare Part D?
In 2024, Zachary Paul Castle, D.O. had 1,587 Medicare Part D claims for 207 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.