John E. Ertl, MD
Pediatrics Physician · Danbury, CT
John E. Ertl, MD is a pediatrics physician with a practice address in Danbury, Connecticut, and NPI 1316928633, issued on Nov 14, 2005. Check the license (Connecticut 020601, as entered in NPPES) on the Connecticut Medical Examining Board; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- John E. Ertl
- Credential
- MD
- Primary taxonomy
- Pediatrics Physician 208000000X
- License number
- 020601 CT
Self-reported in NPPES; status is on the state search - Practice location
- 41 Germantown RD, Danbury, CT 06810
- Phone
- (203) 744-1680
- Enumerated
- Nov 14, 2005
- Record last updated
- Jul 13, 2026
- Fax
- (203) 792-6510
- Entity
- Type 1 · individual
8 nearest pediatrics physician records → All 1,043 in Connecticut → Look up another NPI →
Also registered at 41 Germantown RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jamie Alon, MDPediatrics Physician1891770251
- Jose Arraiano, PAPediatrics Physician1710962147
- Leon Baczeski, MDPediatrics Physician1114908431
- Pankaj Chidwal, BPT, MSPTOrthopedic Physical Therapist1942493069
- Shawn Childs, PA-CSurgical Physician Assistant1720600356
- Bruce Cohen, MDPediatrics Physician1235114612
Verify John E. Ertl in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 020601Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
John E. Ertl among 1,043 pediatrics physician records in Connecticut
John E. Ertl, MD is one of 1,043 pediatrics physician records with a practice address in Connecticut. 32% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 90% newer
- In a Medicare fileNo · 32% 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 Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
29 pediatrics physician records list a practice address in Danbury
They are 29 of the 2,412 NPPES records with a practice address in Danbury, and 1,043 pediatrics physician records in Connecticut. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 1,043 in Connecticut → Every provider in Danbury → Pediatrics Physician nationwide →
The 8 pediatrics physician records with the nearest ZIP codes
- Jamie Alon, MDDanbury, CT 068101891770251
- Jose Arraiano, PADanbury, CT 068101710962147
- Leon Baczeski, MDDanbury, CT 068101114908431
- Claire Bailey, M.D.Danbury, CT 068101922042050
- Bruce Cohen, MDDanbury, CT 068101235114612
- Jacques Etienne, M.D., F.A.A.PDanbury, CT 068101902836976
- David Gropper, MDDanbury, CT 068101720060445
- Uwe Koepke, M.D.Danbury, CT 068101306832621
Common questions
What is John E. Ertl, MD's NPI number?
John E. Ertl, MD's National Provider Identifier (NPI) is 1316928633, issued on Nov 14, 2005. An NPI identifies a provider in billing; it is not a license.
Where is John E. Ertl, MD located?
The NPPES record lists a practice address at 41 Germantown RD, Danbury, CT, 06810. Phone: (203) 744-1680. Providers update this record themselves, so call before visiting.
How can I verify John E. Ertl, MD's license?
NPPES lists Connecticut license number 020601, as entered by the provider. Search the Connecticut Medical Examining Board at https://www.elicense.ct.gov/Lookup/LicenseLookup.aspx. 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. 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.