Jonathan Charles Klontz, M.D.
Pediatrics Physician · Olney, MD
Jonathan Charles Klontz, M.D. is a pediatrics physician with a practice address in Olney, Maryland, and NPI 1730150418, issued on Jan 30, 2006. Check the license (Maryland H40842, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Jonathan Charles Klontz
- Credential
- M.D.
- Primary taxonomy
- Pediatrics Physician 208000000X
- License number
- H40842 MD
Self-reported in NPPES; status is on the state search - Practice location
- 18109 Prince Philip Dr, Olney, MD 20832
- Phone
- (301) 774-5800
- Enumerated
- Jan 30, 2006
- Record last updated
- Jul 13, 2026
- Entity
- Type 1 · individual
8 nearest pediatrics physician records → All 1,842 in Maryland → Look up another NPI →
Also registered at 18109 Prince Philip Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Terry Black, PTPhysical Therapist1821151655
- Laura Bothe, NPFamily Nurse Practitioner1396393955
- Christopher Brandt, ATC, PTAPhysical Therapy Assistant1306017629
- Mercedes Brito, PTAPhysical Therapy Assistant1083868798
- Samer Charbel, M.D.Gastroenterology Physician1144499468
- Shawn Chong, PA-CSurgical Physician Assistant1023461951
Verify Jonathan Charles Klontz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license H40842Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $38.20
1 payment: food and beverage; the largest payer was Cumberland Pharmaceuticals, Inc. The 21,580 providers of this specialty with any payment received $842.05 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.
Jonathan Charles Klontz among 1,842 pediatrics physician records in Maryland
Jonathan Charles Klontz, M.D. is one of 1,842 pediatrics physician records with a practice address in Maryland. 35% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 9% of them.
- NPI issued2006 · 9% of these records are older, 51% newer
- In a Medicare fileYes · 35% of these records are
- In the CMS Doctors and Clinicians fileNo · 9% of these records are
- Record last updated2026 · 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 208000000X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
14 pediatrics physician records list a practice address in Olney
They are 14 of the 742 NPPES records with a practice address in Olney, and 1,842 pediatrics physician records in Maryland.
All 1,842 in Maryland → Every provider in Olney → Pediatrics Physician nationwide →
The 8 pediatrics physician records with the nearest ZIP codes
- Morris Albert, MDOlney, MD 208321013951904
- Maislyn Christie, M.D.Olney, MD 208321619952728
- Cheryl Dias, M.D.Olney, MD 208321346211042
- Maria Hussain, MDOlney, MD 208321114440880
- Elaine Lee, M.D.Olney, MD 208321720059595
- Victoria Lee, MDOlney, MD 208321104860097
- Samuel Milbin, MDOlney, MD 208321831756485
- Melissa Schwartz, MDOlney, MD 208321083658991
Common questions
What is Jonathan Charles Klontz, M.D.'s NPI number?
Jonathan Charles Klontz, M.D.'s National Provider Identifier (NPI) is 1730150418, issued on Jan 30, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Jonathan Charles Klontz, M.D. located?
The NPPES record lists a practice address at 18109 Prince Philip Dr, Olney, MD, 20832. Phone: (301) 774-5800. Providers update this record themselves, so call before visiting.
How can I verify Jonathan Charles Klontz, M.D.'s license?
NPPES lists Maryland license number H40842, as entered by the provider. Search the Maryland Board of Physicians at https://www.mbp.state.md.us/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
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.