Katherine Conn Warther, MD
Pediatrics Physician · Philadelphia, PA
Katherine Conn Warther, MD is a pediatrics physician with a practice address in Philadelphia, Pennsylvania, and NPI 1275092371, issued on Mar 18, 2019. Check the license (Pennsylvania MD476716, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Katherine Conn Warther
- Credential
- MD
- Primary taxonomy
- Pediatrics Physician 208000000X
- License number
- MD476716 PA
Self-reported in NPPES; status is on the state search - Practice location
- 834 Chestnut St Ste 306, Philadelphia, PA 19107
- Phone
- (215) 545-8188
- Enumerated
- Mar 18, 2019
- Record last updated
- May 2, 2022
- Entity
- Type 1 · individual
8 nearest pediatrics physician records → All 3,382 in Pennsylvania → Look up another NPI →
Also registered at 834 Chestnut St Ste 306
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Marcus Ramspott, DOPediatrics Physician1033806559
- Gail Waltz, MDPediatrics Physician1841878485
Verify Katherine Conn Warther in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD476716Check 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: $43.93
2 payments; by number, the most common kind was food and beverage; the largest payer was Hologic Sales and Service, LLC. 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.
Katherine Conn Warther among 3,382 pediatrics physician records in Pennsylvania
Katherine Conn Warther, MD is one of 3,382 pediatrics physician records with a practice address in Pennsylvania. 25% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 79% of them.
- NPI issued2019 · 79% of these records are older, 18% newer
- In a Medicare fileYes · 25% of these records are
- In the CMS Doctors and Clinicians fileNo · 7% of these records are
- Record last updated2022 · 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 Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1,153 pediatrics physician records list a practice address in Philadelphia
They are 1,153 of the 42,849 NPPES records with a practice address in Philadelphia, and 3,382 pediatrics physician records in Pennsylvania.
All 3,382 in Pennsylvania → Every provider in Philadelphia → Pediatrics Physician nationwide →
The 8 pediatrics physician records with the nearest ZIP codes
- Dona Chen, M.D.Philadelphia, PA 191071013944321
- Janet Crino, MDPhiladelphia, PA 191071427096965
- Shea Cronley, MDPhiladelphia, PA 191071558302554
- Hiewon Hann, M.D.Phila, PA 191071265491419
- Cynthia Hill, MDPhiladelphia, PA 191071235170226
- Barbara Homeier, MDPhiladelphia, PA 191071811046204
- Lisa Knoflicek, MDPhiladelphia, PA 191071720184807
- William McNett, MDPhiladelphia, PA 191071366581159
Common questions
What is Katherine Conn Warther, MD's NPI number?
Katherine Conn Warther, MD's National Provider Identifier (NPI) is 1275092371, issued on Mar 18, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Katherine Conn Warther, MD located?
The NPPES record lists a practice address at 834 Chestnut St Ste 306, Philadelphia, PA, 19107. Phone: (215) 545-8188. Providers update this record themselves, so call before visiting.
How can I verify Katherine Conn Warther, MD's license?
NPPES lists Pennsylvania license number MD476716, as entered by the provider. Search the Pennsylvania Department of State (PALS) at https://www.pals.pa.gov/. 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.