Provider Enrollment
Thoughtful coordination of payer applications, submissions, and enrollment follow-through.
Modern credentialing support for the people who keep healthcare moving. From first enrollment to ongoing verification, we make complex processes feel effortless.
Every provider, application, and deadline matters. PCS helps your practice stay ahead of the details without adding to your team's workload.
Thoughtful coordination of payer applications, submissions, and enrollment follow-through.
Verifying applicable licenses, education, training and professional qualifications directly with original issuing sources.
Profile updates, attestation coordination, and accuracy-focused information maintenance.
Get new providers organized and ready for the credentialing and enrollment process.
Renewal tracking, expirable monitoring, and recredentialing support that keeps records current.
Administrative support for appointments, reappointments and related credentialing requirements.
Primary Source Verification (PSV) is about confirming important provider credentials with the issuing organizations themselves—not just relying on copies of documents.
PCS helps coordinate source-based checks as part of a more organized credentialing process, with attention to the requirements applicable to your practice.
No two practices are alike. We start with your actual needs, then help organize the work around them.
We learn about your providers, objectives, timelines and immediate credentialing needs.
We help organize documentation, verification, applications and required follow-up.
We support ongoing updates, renewals and credentialing needs as your practice evolves.
Founded by Leah Tissue, Physicians Credentialing Services brings more than two decades of healthcare administration experience to a field where attention to detail makes all the difference.
Based in Huntsville, Alabama, PCS believes healthcare teams deserve a credentialing partner who understands the stakes—and cares about getting the details right.
“PCS identified issues with our processes and provided timely resolutions that allowed us to continue focusing on patient care.”— Justin Haynes, CPO/L · Fourroux Prosthetics
PRECISION IN EVERY DETAILReal people. Deep experience. A team that knows the details matter—because your practice depends on them.

With more than two decades in healthcare administration, Leah helps practices navigate payer enrollment, provider credentialing, and compliance requirements. She's passionate about helping independent practices thrive.
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Nicole brings four years of insurance industry experience, careful attention to detail, and a commitment to accurate, organized provider applications and documentation.
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Jasmine supports enrollment, contracting, and compliance with patience, persistence, and a genuine commitment to helping practices stay focused on patient care.
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A U.S. Army veteran with experience in Linux, networking, and cybersecurity, Brian brings technical expertise from education, enterprise environments, and NASA contract operations.
View LinkedIn profile“PCS identified existing issues with our processes and provided resolution in a timely manner that allowed us to continue with patient care. The team is thorough and experienced in all aspects of credentialing.”
See what people are saying about Physicians Credentialing Services on the Better Business Bureau website—or share your own experience.
Onboarding, offboarding, document preparation, Medicare references, and secure sharing—all organized for your team.
Start a provider or employee onboarding request using PCS's existing form.
OPEN SECURE FORM ↗ 02 / CLIENT WORKFLOWSubmit an offboarding request through the established PCS form.
OPEN SECURE FORM ↗ 03 / DATA EXCHANGEGuidance for sharing licenses, identification, CAQH and other sensitive credentialing records.
VIEW INSTRUCTIONS ↓Find the core items commonly requested for your provider type. Requirements vary by payer, state, provider type and enrollment; PCS will confirm the final list for your case. Items marked * were identified as core requirements on the original site.
Depending on the provider or legal entity, additional items may include passport or citizenship documentation, admitting or prescribing arrangement letters, CLIA certification, local business licenses, fictitious name permits, state licenses, or facility leases.
Official IRS and CMS resources, plus useful references from PCS's original forms library.
Official IRS taxpayer identification and certification form.
VIEW IRS PAGE ↗ IRS / ILLUSTRATIVE SAMPLELocally hosted example layout identifying the key fields. Not an actual IRS notice.
OPEN EXAMPLE PDF ↗ CMS / ENROLLMENTFind current Medicare provider and supplier enrollment guidance.
VISIT CMS ↗ CMS / CONTACTSCMS's list of Medicare fee-for-service enrollment contacts.
VIEW CONTACT LIST ↗ CMS / RULESCMS program-integrity manual, enrollment chapter reference.
VIEW CMS DOCUMENT ↗ REFERENCE / TAXONOMYSearch healthcare provider taxonomy information using the Washington Publishing reference.
OPEN LOOKUP ↗An IRS CP575 is the original EIN confirmation notice issued to an entity. If it is no longer available, the IRS can issue a 147C EIN verification letter. PCS's original site lists these as important references for enrollment documentation. To request a 147C, contact the IRS Business & Specialty Tax Line at (800) 829-4933. See the official IRS CP575 guidance for current options. Confirm processing times directly.
CMS publishes Medicare revalidation due dates in its official provider enrollment dataset. Check your date directly through CMS rather than relying on an outdated snapshot.
OPEN CMS REVALIDATION LOOKUP ↗Live CMS data requires an internet connection and is maintained by CMS, not this website.
Search the latest public CMS data by your identifying provider information.
PCS uses Credentialing Spectrum for document uploads, project management and credentialing communications. Contact PCS for your authorized portal access details.
Typical uploads include medical licenses, DEA certificates, board certifications, insurance certificates, W-9s, government-issued IDs and credentialing forms.
PCS's existing site describes commissioned notaries available for affidavits, legal documents, real estate matters, association meetings, wills and probate documents. Contact the team to confirm service availability and pricing.
ASK ABOUT NOTARY SERVICES ↗Professional document handling.
Huntsville, Alabama.
PCS does not provide billing or revenue cycle management directly. These inquiries are referred to Home Town Billing Solutions.
Ready to make credentialing simpler? Tell us what your practice needs, and we'll help you find a starting point.
A few details are all we need to start.