Robert Lamson Williams, PA-C
- Medicare patients, 2024
- 197
- Part D claims, 2024
- 128
- Hospital affiliations
- 2
- Industry payments
- $15
- Medical groups
- 4
- Practice address
- 1200 South Cedar Crest Boulevard, Allentown, PA 18103
- Practice phone
- Call (610) 402-8000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Robert Williams' professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Robert Lamson Williams is a physician assistant in Allentown, Pennsylvania
Robert Williams practices at Lehigh Valley Hospital-Cedar Crest in Allentown, Pennsylvania, part of Thomas Jefferson University.
Robert Williams' NPI, 1326046368, was assigned on July 13, 2005. Robert Williams holds Pennsylvania license MA001837L.
- NPI
- 1326046368NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1557370301
- NPI enumeration date
- July 13, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (610) 402-8000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 60
- Medical school graduation
- 1992
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Robert Lamson Williams practices at Lehigh Valley Hospital-Cedar Crest in Allentown, Pennsylvania
Robert Williams' primary practice is Lehigh Valley Hospital-Cedar Crest, at 1200 South Cedar Crest Boulevard, Allentown, PA 18103 in Lehigh County. The practice phone is (610) 402-8000.
- Lehigh Valley Hospital-Cedar Crest1200 South Cedar Crest Boulevard, Allentown, PA 18103 · Lehigh CountyPhone(610) 402-8000
Source: Dmand AI Affiliation Data
Robert Lamson Williams is affiliated with 6 sites of care and 4 medical groups
Robert Williams' primary practice is Lehigh Valley Hospital-Cedar Crest in Allentown, Pennsylvania, part of Thomas Jefferson University. Robert Williams is also affiliated with Lehigh Valley Hospital-Hazleton. The medical group on file is Lehigh Valley Physician Group (LVPG). Dmand AI also links Robert Williams to 4 more group practices and clinics and 3 medical groups, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Robert Lamson Williams' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Robert Williams practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Lehigh Valley Hospital-Cedar Crest | Available with a free account |
| +5 more sites and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Thomas Jefferson University and 6.2K+ hospitals, with verified contacts in the same login.
Robert Lamson Williams is one of 6,491 physician assistants in Pennsylvania
Physician assistant is Robert Williams' primary specialty in the NPI Registry, under taxonomy code 363A00000X. Robert Williams is licensed in Pennsylvania.
Specialties and state licenses
- Physician assistant, PennsylvaniaPrimary
Physician assistants near Robert Williams
Counts of physician assistants with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Robert Lamson Williams treated 197 Medicare patients in 2024, average age 73
CMS counts 197 Medicare patients who saw Robert Williams in 2024. The largest group is 65 to 74, with 104 patients. 75% of them have arthritis, and 75% have high blood pressure. Their average risk score is 1.04, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Robert Williams' median patient age at 57, with 47% women.
Robert Williams' Medicare patients by age, 2024
Robert Williams' Medicare patients by sex, 2024
- Women10955%
- Men8845%
Chronic conditions among Robert Williams' Medicare patients, 2024
- Arthritis75%
- High blood pressure75%
- High cholesterol75%
- Diabetes29%
- Anxiety28%
- Ischemic heart disease26%
- Chronic kidney disease22%
- Mood disorders22%
Share of Medicare patients with each condition. A patient can have several.
Robert Williams' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 57
Patient panel by sex, all payers
- Women47%
- Men51%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Robert Lamson Williams wrote 128 Medicare Part D claims in 2024
In 2024, Robert Williams wrote 128 Medicare Part D claims for 113 patients. 100% of them were for generic drugs.
Drug classes CMS tracks in Robert Williams' Part D claims, 2024
- Opioids84%107 of 128 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Robert Lamson Williams takes part in Medicare
Robert Williams accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Robert Lamson Williams received $15 in industry payments in 2025
CMS Open Payments shows 1 general payment to Robert Williams from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Novus Surgical Consultants paid the most, $15.
Companies that paid Robert Williams the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Robert Lamson Williams's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Robert Lamson Williams
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Robert Lamson Williams' NPI number?
Robert Lamson Williams' NPI number is 1326046368. It was assigned on July 13, 2005, and it is active in the NPI Registry.
What does Robert Lamson Williams specialize in?
Robert Lamson Williams is a physician assistant in Allentown, Pennsylvania. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Robert Lamson Williams practice?
Robert Williams practices at 1200 South Cedar Crest Boulevard, Allentown, PA 18103. Robert Williams' primary practice is Lehigh Valley Hospital-Cedar Crest in Allentown, Pennsylvania, part of Thomas Jefferson University. Dmand AI also links Robert Williams to 4 group practices and clinics and 3 medical groups.
What is Robert Lamson Williams' office phone number?
The practice phone on file for Robert Williams is (610) 402-8000.
What is Robert Lamson Williams' medical license number?
Robert Williams holds Pennsylvania license MA001837L.
Which hospitals is Robert Lamson Williams affiliated with?
Robert Williams practices at Lehigh Valley Hospital-Cedar Crest in Allentown, Pennsylvania. Robert Williams is also affiliated with Lehigh Valley Hospital-Hazleton.
What medical group is Robert Lamson Williams part of?
Robert Williams is linked to Lehigh Valley Physician Group (LVPG). Dmand AI links Robert Williams to 3 more medical groups.
Does Robert Lamson Williams accept Medicare?
Yes. CMS lists Robert Williams as accepting Medicare assignment.
How many Medicare patients does Robert Lamson Williams see?
CMS counts 197 Medicare patients who saw Robert Williams in 2024, with an average age of 73.
Has Robert Lamson Williams received payments from drug or device companies?
CMS Open Payments shows $15 in general payments to Robert Williams from 1 company from 2025 to 2025. The largest total came from Novus Surgical Consultants.
How long has Robert Lamson Williams been practicing?
Robert Williams graduated from medical school in 1992, 34 years ago.
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