Robert Lamson Williams, P.A.-C.
Physician Assistant · Bethlehem, PA
Robert Lamson Williams, P.A.-C. is a physician assistant with a practice address in Bethlehem, Pennsylvania, and NPI 1326046368, issued on Jul 13, 2005. Check the license (Pennsylvania MA001837L, as entered in NPPES) with the Pennsylvania board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Robert Lamson Williams
- Credential
- P.A.-C.
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- MA001837L PA
Self-reported in NPPES; status is on the state search - Practice location
- 2775 Schoenersville RD, Bethlehem, PA 18017
- Phone
- (610) 861-8080
- Enumerated
- Jul 13, 2005
- Record last updated
- May 29, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (610) 807-0366
- Medicare enrollment
- Enrolled (PECOS I20060406000365); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 8,020 in Pennsylvania → Look up another NPI →
Also registered at 2775 Schoenersville RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Robert Lamson Williams in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Pennsylvania board licenses this profession
Search for license MA001837LCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
85% fewer Medicare Part D claims than the average physician assistant in 2024
128 Medicare Part D claims for 113 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims. 107 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen68 claims
- Tramadol Hcl16 claims
- Oxycodone Hcl14 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.
Industry payments in 2024: $190.06
2 payments; by number, the most common kind was food and beverage; the largest payer was Zimmer Biomet Holdings, Inc. The 64,719 providers of this specialty with any payment received $841.65 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.
Bills Medicare through one group practice
- Lehigh Valley Physician GroupAllentown, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Robert Lamson Williams among 8,020 physician assistant records in Pennsylvania
Robert Lamson Williams, P.A.-C. is one of 8,020 physician assistant records with a practice address in Pennsylvania. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 97% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated1992 · median 2018 among the 5,313 with a school on file
- Record last updated2008 · 42% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
270 physician assistant records list a practice address in Bethlehem
They are 270 of the 4,797 NPPES records with a practice address in Bethlehem, and 8,020 physician assistant records in Pennsylvania.
All 8,020 in Pennsylvania → Every provider in Bethlehem → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Beth Bollinger, P.A.-C.Bethlehem, PA 180171265498653
- Colin Bowers, P.A.-C.Bethlehem, PA 180171063493344
- Carl Cuvo, PACBethlehem, PA 180171134185283
- Benedict Dorsam, PABethlehem, PA 180171720052251
- Karen Ferrey, P.A.-C.Bethlehem, PA 180171598763732
- Ryan Geoffroy, PA-CBethlehem, PA 180171275593030
- Vanessa Heimbach, PACBethlehem, PA 180171437113768
- Jena Hosband, P.A.-C.Bethlehem, PA 180171043218274
Common questions
What is Robert Lamson Williams, P.A.-C.'s NPI number?
Robert Lamson Williams, P.A.-C.'s National Provider Identifier (NPI) is 1326046368, issued on Jul 13, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Robert Lamson Williams, P.A.-C. located?
The NPPES record lists a practice address at 2775 Schoenersville RD, Bethlehem, PA, 18017. Phone: (610) 861-8080. Providers update this record themselves, so call before visiting.
How can I verify Robert Lamson Williams, P.A.-C.'s license?
NPPES lists Pennsylvania license number MA001837L, as entered by the provider. Search the Pennsylvania board that licenses this profession; the NPPES record confirms identity only.
How much does Robert Lamson Williams, P.A.-C. prescribe under Medicare Part D?
In 2024, Robert Lamson Williams, P.A.-C. had 128 Medicare Part D claims for 113 beneficiaries; the average among physician assistant prescribers was 830. 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.