Maria R. Dejoseph, M.D.
Internal Medicine Physician · Bethlehem, PA
Maria R. Dejoseph, M.D. is an internal medicine physician with a practice address in Bethlehem, Pennsylvania, and NPI 1326108259, issued on Dec 11, 2006. Check the license (Pennsylvania MD426205, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Maria R. Dejoseph
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- MD426205 PA
C1-0006448 DE
Self-reported in NPPES; status is on the state search - Practice location
- 325 W Broad St, Bethlehem, PA 18018
- Phone
- (484) 626-9200
- Enumerated
- Dec 11, 2006
- Record last updated
- Mar 8, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (610) 867-8499
- Medicare enrollment
- Enrolled (PECOS I20160323002518); accepts Medicare assignment
- Medical or professional school
- Pennsylvania State University College Of Medicine, 1998
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 7,300 in Pennsylvania → Look up another NPI →
Also registered at 325 W Broad St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Kirsty Demille, CRNPWomen's Health Nurse Practitioner1265197271
- Diana Farrell-Grossman, D.O.Internal Medicine Physician1821359688
- Reena Kanabar, M.D.Obstetrics & Gynecology Physician1811150568
- Shelley Martinez, CRNPFamily Nurse Practitioner1740639855
Verify Maria R. Dejoseph in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD426205Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
24% more Medicare Part D claims than the average internal medicine physician in 2024
3,940 Medicare Part D claims for 373 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims.
Most prescribed
- Atorvastatin Calcium370 claims
- Amlodipine Besylate300 claims
- Levothyroxine Sodium212 claims
- Metformin Hcl Er197 claims
- Lisinopril188 claims
- Rosuvastatin Calcium153 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
- Lehigh Valley Physician GroupBethlehem, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Maria R. Dejoseph among 7,300 internal medicine physician records in Pennsylvania
Maria R. Dejoseph, M.D. is one of 7,300 internal medicine physician records with a practice address in Pennsylvania. 78% 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, 64% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated1998 · median 2008 among the 4,208 with a school on file
- Record last updated2016 · 56% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
157 internal medicine physician records list a practice address in Bethlehem
They are 157 of the 4,797 NPPES records with a practice address in Bethlehem, and 7,300 internal medicine physician records in Pennsylvania.
All 7,300 in Pennsylvania → Every provider in Bethlehem → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Matthew Bartelt, D.O.Bethlehem, PA 180181356340632
- James Cowan, M.D.Bethlehem, PA 180181548563661
- Nishi Dedania, MDBethlehem, PA 180181952728966
- Charles Digby, D.O.Bethlehem, PA 180181629208095
- Diana Farrell-Grossman, D.O.Bethlehem, PA 180181821359688
- David Hoffman, M.D.Bethlehem, PA 180181194782078
- Mark Kender, MDBethlehem, PA 180181447289087
- Horace Olewiler, MDBethlehem, PA 180181063463057
Common questions
What is Maria R. Dejoseph, M.D.'s NPI number?
Maria R. Dejoseph, M.D.'s National Provider Identifier (NPI) is 1326108259, issued on Dec 11, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Maria R. Dejoseph, M.D. located?
The NPPES record lists a practice address at 325 W Broad St, Bethlehem, PA, 18018. Phone: (484) 626-9200. Providers update this record themselves, so call before visiting.
How can I verify Maria R. Dejoseph, M.D.'s license?
NPPES lists Pennsylvania license number MD426205, 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.
How much does Maria R. Dejoseph, M.D. prescribe under Medicare Part D?
In 2024, Maria R. Dejoseph, M.D. had 3,940 Medicare Part D claims for 373 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.