Erin E. Lewellen, PA
- Medicare services, 2024
- 63
- Medicare patients, 2024
- 39
- Part D claims, 2024
- 674
- Hospital affiliations
- 2
- Industry payments
- $56
- Practice address
- 132 E Main St, Westfield, NY 14787
- Practice phone
- Call (716) 326-4678
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Westfield Family Physicians
Westfield, New York
Find Erin Lewellen's 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.
Erin E. Lewellen is a physician assistant in Westfield, New York
Erin Lewellen practices at Westfield Family Physicians in Westfield, New York.
Erin Lewellen's NPI, 1801254214, was assigned on February 1, 2016. Erin Lewellen holds New York license 020074.
- NPI
- 1801254214NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5193016558
- NPI enumeration date
- February 1, 2016
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (716) 326-4678
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 37
- Medical school graduation
- 2015
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Erin E. Lewellen practices at Westfield Family Physicians in Westfield, New York
Erin Lewellen's primary practice is Westfield Family Physicians, at 132 E Main St, Westfield, NY 14787 in Chautauqua County. The practice phone is (716) 326-4678.
- Westfield Family Physicians132 E Main St, Westfield, NY 14787 · Chautauqua CountyPhone(716) 326-4678
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Erin E. Lewellen is affiliated with 5 sites of care and 1 medical group
Erin Lewellen's primary practice is Westfield Family Physicians in Westfield, New York. Erin Lewellen is also affiliated with Westfield Memorial Hospital. The medical group on file is Westfield Family Physicians. Dmand AI also links Erin Lewellen to 1 more hospital, 1 group practice or clinic and 1 home health agency, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Erin E. Lewellen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Erin Lewellen practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Westfield Family Physicians | Available with a free account |
| +4 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Erin E. Lewellen is one of 11,456 physician assistants in New York
Physician assistant is Erin Lewellen's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Erin Lewellen is board certified in 2016 - 2021 by the NY State PA License. Dmand AI has Erin Lewellen's licenses on file in 2 states: New York and Virginia.
Specialties and state licenses
- Physician assistant, New YorkPrimary
- Family medicine, Virginia
Clinical focus
Dmand AI lists acute sinusitis, acute skin infection, arthritis, chronic kidney disease, contact dermatitis, diabetic emergency, enlarged prostate and fibromyalgia and chronic pain among the conditions Erin Lewellen treats.
Physician assistants near Erin Lewellen
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
Erin E. Lewellen billed Medicare for 63 services in 2024
CMS data shows 63 Medicare services from Erin Lewellen across 4 procedure codes in 2024, for 39 Medicare patients. Medicare paid $3,928 for them. Every service was in an office.
Erin Lewellen's Medicare services by type, 2024
- Office and hospital visits37
- Other services26
Erin Lewellen compared with the New York median for physician assistants, 2024
- Erin Lewellen
- New York median
- Medicare services
- 63vs 17664% below
- Medicare patients
- 39vs 7850% below
- Part D claims
- 340vs 24539% above
Medians across 6,477 physician assistants in New York with Dmand AI profiles that report each measure.
Erin Lewellen's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Erin E. Lewellen treated 39 Medicare patients in 2024, average age 71
CMS counts 39 Medicare patients who saw Erin Lewellen in 2024. The largest group is 65 to 74, with 16 patients. 75% of them have high blood pressure, and 74% have high cholesterol. 33% are also on Medicaid. Their average risk score is 1.19, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Erin Lewellen's median patient age at 57, with 69% women.
Erin Lewellen's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Erin Lewellen's Medicare patients by sex, 2024
- Women2359%
- Men1641%
Chronic conditions among Erin Lewellen's Medicare patients, 2024
- High blood pressure75%
- High cholesterol74%
- Chronic kidney disease51%
- Arthritis36%
- Mood disorders31%
- Anxiety28%
- Atrial fibrillation28%
Share of Medicare patients with each condition. A patient can have several.
Erin Lewellen's 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
- Women69%
- Men31%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Erin E. Lewellen wrote 674 Medicare Part D claims in 2024
In 2024, Erin Lewellen wrote 674 Medicare Part D claims for 174 patients. 88% of them were for generic drugs. CMS names the drug for 340 of them, across 19 drugs with 11 or more claims each, at $15,763 in total drug cost.
Erin Lewellen's Part D claims by kind of drug, 2024
- Generic592 claims88%
- Brand-name and other82 claims12%
Erin Lewellen's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Erin Lewellen's Part D claims, 2024
- Opioids3%17 of 674 claims
- Antibiotics3%17 of 674 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Erin E. Lewellen takes part in Medicare
Erin Lewellen 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)
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Erin E. Lewellen received $56 in industry payments in 2025
CMS Open Payments shows 2 general payments to Erin Lewellen from 2 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Merck Sharp & Dohme Corporation paid the most, $32.
Companies that paid Erin Lewellen the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Erin E. Lewellen is board certified in 2016 - 2021
- Board certified in 2016 - 2021
- Board certified in 2016 - 2017
Source: Dmand AI Professional Profile Data
Sources for Erin E. Lewellen'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| 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 and Drug (CMS) (opens in a new tab)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) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| 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 Erin E. Lewellen
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Erin E. Lewellen's NPI number?
Erin E. Lewellen's NPI number is 1801254214. It was assigned on February 1, 2016, and it is active in the NPI Registry.
What does Erin E. Lewellen specialize in?
Erin E. Lewellen is a physician assistant in Westfield, New York. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Erin E. Lewellen practice?
Erin Lewellen practices at 132 E Main St, Westfield, NY 14787. Erin Lewellen's primary practice is Westfield Family Physicians in Westfield, New York. Dmand AI also links Erin Lewellen to 1 hospital, 1 group practice or clinic and 1 home health agency.
What is Erin E. Lewellen's office phone number?
The practice phone on file for Erin Lewellen is (716) 326-4678.
What is Erin E. Lewellen's medical license number?
Erin Lewellen holds New York license 020074, one of the licenses on file in 2 states.
Which states has Erin E. Lewellen been licensed in?
Dmand AI has state licenses on file for Erin Lewellen in New York and Virginia.
Which hospitals is Erin E. Lewellen affiliated with?
Erin Lewellen is affiliated with Westfield Memorial Hospital. Dmand AI links Erin Lewellen to 1 more hospital.
What medical group is Erin E. Lewellen part of?
Erin Lewellen is linked to Westfield Family Physicians.
Does Erin E. Lewellen accept Medicare?
Yes. CMS data shows Erin Lewellen billed Medicare for 63 services in 2024, and Erin Lewellen accepts Medicare assignment.
How many Medicare patients does Erin E. Lewellen see?
CMS counts 39 Medicare patients who saw Erin Lewellen in 2024, with an average age of 71.
Show 5 more questionsShow fewer questions
Is Erin E. Lewellen board certified?
Yes. Erin Lewellen is board certified in 2016 - 2021 by the NY State PA License.
What services does Erin E. Lewellen bill to Medicare?
In 2024, Erin Lewellen's most billed Medicare services were office visit, established patient (99214), medicare service (G0439) and office visit, established patient (99213).
What drugs does Erin E. Lewellen prescribe most?
In 2024 Medicare Part D data, Erin Lewellen's most prescribed drugs by claims were Lisinopril, Amlodipine Besylate and Atorvastatin Calcium.
Has Erin E. Lewellen received payments from drug or device companies?
CMS Open Payments shows $56 in general payments to Erin Lewellen from 2 companies from 2025 to 2025. The largest total came from Merck Sharp & Dohme Corporation.
How long has Erin E. Lewellen been practicing?
Erin Lewellen graduated from medical school in 2015, 11 years ago.
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