Jacob Zembles, MD
Rheumatology Physician · Ballwin, MO
Jacob Zembles, MD is a rheumatology physician with a practice address in Ballwin, Missouri, and NPI 1285164228, issued on Jun 13, 2017. Check the license (Missouri 2020025235, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.
- Name
- Jacob Zembles
- Credential
- MD
- Primary taxonomy
- Rheumatology Physician 207RR0500X
- License number
- 2020025235 MO
Self-reported in NPPES; status is on the state search - Practice location
- 15945 Clayton RD, Ballwin, MO 63011
- Phone
- (636) 256-5070
- Enumerated
- Jun 13, 2017
- Record last updated
- Nov 11, 2024
- Fax
- (636) 256-5066
- Medicare enrollment
- Enrolled (PECOS I20200824002166); accepts Medicare assignment
- Medical or professional school
- University Of Missouri, Columbia School Of Medicine, 2021
- Entity
- Type 1 · individual
8 nearest rheumatology physician records → All 151 in Missouri → Look up another NPI →
Also registered at 15945 Clayton RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Cara Hahs, MDSurgery Physician1427031129
- Laura Hooper, AGNPGerontology Nurse Practitioner1598156820
- Mark Houston, MDFamily Medicine Physician1689640344
- Shanna Ingram, FNP-CFamily Nurse Practitioner1982451027
- James Ketchum, MDInternal Medicine Physician1386610376
Verify Jacob Zembles in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMissouri Board of Registration for the Healing Arts
Search for license 2020025235Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
61% fewer Medicare Part D claims than the average rheumatology physician in 2024
772 Medicare Part D claims for 169 beneficiaries, against an average of 1,978 among the 6,301 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims.
Most prescribed
- Hydroxychloroquine Sulfate186 claims
- Prednisone145 claims
- Methotrexate89 claims
- Sulfasalazine39 claims
- Allopurinol38 claims
- Humira(Cf) Pen29 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
- Mercy Clinic East CommunitiesBallwin, MO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jacob Zembles among 151 rheumatology physician records in Missouri
Jacob Zembles, MD is one of 151 rheumatology physician records with a practice address in Missouri. 79% 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 86% of them.
- NPI issued2017 · 86% of these records are older, 11% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated2021 · median 2005 among the 103 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 207RR0500X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Rheumatology Physician providers in Missouri
There are 151 rheumatology physician records in Missouri.
All 151 in Missouri → Every provider in Ballwin → Rheumatology Physician nationwide →
The 8 rheumatology physician records with the nearest ZIP codes
- Joshua Hendin, MDBallwin, MO 630111881154284
- David Rosenberg, M.D.Ballwin, MO 630111174597454
- Phan Saligrama, MD/PHDBallwin, MO 630111578927307
- Anam Ahmad, MDChesterfield, MO 630171639739485
- Donica Baker, MD, FACRChesterfield, MO 630171356751176
- Keith Bernstein, MDChesterfield, MO 630171447273727
- Faye Cohen, M.D.Chesterfield, MO 630171306808548
- James Esther, M.D.Chesterfield, MO 630171609838309
Common questions
What is Jacob Zembles, MD's NPI number?
Jacob Zembles, MD's National Provider Identifier (NPI) is 1285164228, issued on Jun 13, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Jacob Zembles, MD located?
The NPPES record lists a practice address at 15945 Clayton RD, Ballwin, MO, 63011. Phone: (636) 256-5070. Providers update this record themselves, so call before visiting.
How can I verify Jacob Zembles, MD's license?
NPPES lists Missouri license number 2020025235, as entered by the provider. Search the Missouri Board of Registration for the Healing Arts at https://www.fsmb.org/contact-a-state-medical-board/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Jacob Zembles, MD prescribe under Medicare Part D?
In 2024, Jacob Zembles, MD had 772 Medicare Part D claims for 169 beneficiaries; the average among rheumatology physician prescribers was 1,978. 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.