James C. Wasson, M.D.
Internal Medicine Physician · Nazareth, PA
James C. Wasson, M.D. is an internal medicine physician with a practice address in Nazareth, Pennsylvania, and NPI 1669435236, issued on Apr 6, 2006. Check the license (Pennsylvania MD056581L, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- James C. Wasson
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- MD056581L PA
Self-reported in NPPES; status is on the state search - Practice location
- 534 S Main St, Nazareth, PA 18064
- Phone
- (610) 746-1860
- Enumerated
- Apr 6, 2006
- Record last updated
- Dec 14, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (610) 746-5068
- Medicare enrollment
- Enrolled (PECOS I20050426000968); accepts Medicare assignment
- Medical or professional school
- Jefferson Medical College Of Thomas Jefferson University, 1993
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 7,300 in Pennsylvania → Look up another NPI →
Verify James C. Wasson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD056581LCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.2 times the Medicare Part D claims of the average internal medicine physician in 2024
10,053 Medicare Part D claims for 672 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 219 claims were for opioids.
Most prescribed
- Atorvastatin Calcium685 claims
- Amlodipine Besylate480 claims
- Alprazolam366 claims
- Lisinopril340 claims
- Levothyroxine Sodium334 claims
- Metoprolol Succinate318 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 GroupNazareth, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
James C. Wasson among 7,300 internal medicine physician records in Pennsylvania
James C. Wasson, 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
- Graduated1993 · median 2008 among the 4,208 with a school on file
- Record last updated2010 · 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).
3 internal medicine physician records list a practice address in Nazareth
They are 3 of the 240 NPPES records with a practice address in Nazareth, and 7,300 internal medicine physician records in Pennsylvania.
All 7,300 in Pennsylvania → Every provider in Nazareth → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Ross Ellis, MDNazareth, PA 180641386281673
- George Manja, M.D.Nazareth, PA 180641346242773
- Barry Follweiler, MDNew Tripoli, PA 180661942297502
- James Freeman, DOMacungie, PA 180621417903790
- Iftikhar Ahmad, M.D.Northampton, PA 180671699776369
- Melissa Brown, PANorthampton, PA 180671447251079
- Angeles Gonzalez-Prado, MDNorthampton, PA 180671164412169
- Iqbal Sorathia, MDNorthampton, PA 180671356341812
Common questions
What is James C. Wasson, M.D.'s NPI number?
James C. Wasson, M.D.'s National Provider Identifier (NPI) is 1669435236, issued on Apr 6, 2006. An NPI identifies a provider in billing; it is not a license.
Where is James C. Wasson, M.D. located?
The NPPES record lists a practice address at 534 S Main St, Nazareth, PA, 18064. Phone: (610) 746-1860. Providers update this record themselves, so call before visiting.
How can I verify James C. Wasson, M.D.'s license?
NPPES lists Pennsylvania license number MD056581L, 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 James C. Wasson, M.D. prescribe under Medicare Part D?
In 2024, James C. Wasson, M.D. had 10,053 Medicare Part D claims for 672 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.