Darren L. Rath, RPA-C
Medical Physician Assistant · Williamsville, NY
Darren L. Rath, RPA-C is a medical physician assistant with a practice address in Williamsville, New York, and NPI 1558300558, issued on Jun 5, 2006. Check the license (New York 005948-1, as entered in NPPES) with the New York board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Darren L. Rath
- Credential
- RPA-C
- Primary taxonomy
- Medical Physician Assistant 363AM0700X
- License number
- 005948-1 NY
Self-reported in NPPES; status is on the state search - Practice location
- 100 College Parkway, Williamsville, NY 14221
- Phone
- (716) 626-9900
- Enumerated
- Jun 5, 2006
- Record last updated
- Feb 29, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (716) 629-9100
- Medicaid ID
- 02343093 NY
- Medicare enrollment
- Enrolled (PECOS I20050825000265); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest medical physician assistant records → All 3,670 in New York → Look up another NPI →
Also registered at 100 College Parkway
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Pamela Miller, WHNPCGynecology Physician1215110572
Verify Darren L. Rath in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich New York board licenses this profession
Search for license 005948-1Check 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 medical physician assistant in 2024
3,679 Medicare Part D claims for 356 beneficiaries, against an average of 1,148 among the 23,801 providers of this specialty who prescribed in Part D. Brand-name drugs were 2% of claims. 1,873 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen1,095 claims
- Gabapentin575 claims
- Oxycodone-Acetaminophen295 claims
- Pregabalin175 claims
- Tramadol Hcl146 claims
- Duloxetine Hcl131 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: $1,053.90
53 payments; by number, the most common kind was food and beverage; the largest payer was Abbott Laboratories. The 16,165 providers of this specialty with any payment received $1,055.00 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
- Nitin Bansal, M.D, PLLCBuffalo, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Darren L. Rath among 3,670 medical physician assistant records in New York
Darren L. Rath, RPA-C is one of 3,670 medical physician assistant records with a practice address in New York. 76% 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 3% of them.
- NPI issued2006 · 3% of these records are older, 81% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 49% of these records are
- Graduated1996 · median 2014 among the 1,802 with a school on file
- Record last updated2012 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363AM0700X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
74 medical physician assistant records list a practice address in Williamsville
They are 74 of the 3,530 NPPES records with a practice address in Williamsville, and 3,670 medical physician assistant records in New York.
All 3,670 in New York → Every provider in Williamsville → Medical Physician Assistant nationwide →
The 8 medical physician assistant records with the nearest ZIP codes
- Alicia Bommersbach, PHYSICIAN ASSISTANTWilliamsville, NY 142211245244516
- Pamela Burton, PAWilliamsville, NY 142211669460622
- David Dapolito, RPA-CBuffalo, NY 142211386681211
- Robyn Emery, RPA-CWilliamsville, NY 142211528023363
- Deborah Hamlin, CNPWilliamsville, NY 142211215934294
- Michele Lannon, CNPWilliamsville, NY 142211972501609
- Susan Nichter, PAWilliamsville, NY 142211700817087
- Paul Olizarowicz, RPA-CWilliamsville, NY 142211639128648
Common questions
What is Darren L. Rath, RPA-C's NPI number?
Darren L. Rath, RPA-C's National Provider Identifier (NPI) is 1558300558, issued on Jun 5, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Darren L. Rath, RPA-C located?
The NPPES record lists a practice address at 100 College Parkway, Williamsville, NY, 14221. Phone: (716) 626-9900. Providers update this record themselves, so call before visiting.
How can I verify Darren L. Rath, RPA-C's license?
NPPES lists New York license number 005948-1, as entered by the provider. Search the New York board that licenses this profession; the NPPES record confirms identity only.
How much does Darren L. Rath, RPA-C prescribe under Medicare Part D?
In 2024, Darren L. Rath, RPA-C had 3,679 Medicare Part D claims for 356 beneficiaries; the average among medical physician assistant prescribers was 1,148. 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.