David M. Callahan, D.O.
Critical Care Medicine (Internal Medicine) Physician · West Grove, PA
David M. Callahan, D.O. is a critical care medicine (internal medicine) physician with a practice address in West Grove, Pennsylvania, and NPI 1386660157, issued on Jul 14, 2006. Check the license (Pennsylvania AC9490929, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- David M. Callahan
- Credential
- D.O.
- Primary taxonomy
- Critical Care Medicine (Internal Medicine) Physician 207RC0200X
- License number
- AC9490929 PA
Self-reported in NPPES; status is on the state search - Practice location
- 1011 W Baltimore Pike, West Grove, PA 19390
- Phone
- (610) 869-3620
- Enumerated
- Jul 14, 2006
- Record last updated
- Aug 8, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (610) 869-0358
- Entity
- Type 1 · individual
8 nearest critical care medicine (internal medicine) physician records → All 332 in Pennsylvania → Look up another NPI →
Also registered at 1011 W Baltimore Pike
A shared address usually means a shared clinic or building; it does not show who employs whom.
- John Barlow, MDInternal Medicine Physician1336102961
- Heather Carrion, CNMAdvanced Practice Midwife1740506237
- Michael Chiusano, DOUrology Physician1366415150
- Pauline CousineauAdult Health Nurse Practitioner1538426424
- Alfonse Gagliardi, R.P.H.Pharmacist1700833779
- Sharon Jarrett, C.R.F.N.P.Nurse Practitioner1710946512
Verify David M. Callahan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license AC9490929Check 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: $20.30
1 payment: food and beverage; the largest payer was Janssen Pharmaceuticals, Inc. The 2,708 providers of this specialty with any payment received $2,958.68 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.
David M. Callahan among 332 critical care medicine (internal medicine) physician records in Pennsylvania
David M. Callahan, D.O. is one of 332 critical care medicine (internal medicine) physician records with a practice address in Pennsylvania. 92% 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 4% of them.
- NPI issued2006 · 4% of these records are older, 67% newer
- In a Medicare fileYes · 92% of these records are
- In the CMS Doctors and Clinicians fileNo · 85% of these records are
- Record last updated2012 · 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 207RC0200X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Critical Care Medicine (Internal Medicine) Physician providers in Pennsylvania
There are 332 critical care medicine (internal medicine) physician records in Pennsylvania.
All 332 in Pennsylvania → Every provider in West Grove → Critical Care Medicine (Internal Medicine) Physician nationwide →
The 8 critical care medicine (internal medicine) physician records with the nearest ZIP codes
- Kapil Rangavajhala, MDWest Chester, PA 193801760637961
- Edward Gray, DOEast Norriton, PA 194031588843015
- Jaimeson BairPaoli, PA 193011568240380
- Justin Chacko, D.O.Philadelphia, PA 191521306227038
- George Anesi, MDPhiladelphia, PA 191461609160639
- Omprakash Bhatt, MDPhiladelphia, PA 191431750585089
- Lee Chadrick Chua, M.D.Philadelphia, PA 191431942415716
- Rotem Friede, MDPhiladelphia, PA 191431730138926
Common questions
What is David M. Callahan, D.O.'s NPI number?
David M. Callahan, D.O.'s National Provider Identifier (NPI) is 1386660157, issued on Jul 14, 2006. An NPI identifies a provider in billing; it is not a license.
Where is David M. Callahan, D.O. located?
The NPPES record lists a practice address at 1011 W Baltimore Pike, West Grove, PA, 19390. Phone: (610) 869-3620. Providers update this record themselves, so call before visiting.
How can I verify David M. Callahan, D.O.'s license?
NPPES lists Pennsylvania license number AC9490929, 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.