Entity and Tax ID
Form the entity, obtain the EIN, open the bank account. See healthcare business registrations.
Opening a practice means a dozen registrations and applications that depend on each other. Do them in the wrong order and the whole timeline slips. We run the sequence from entity formation to your first in-network claim, and we start early enough that you are payable when the doors open.
About 4 minute read. Reviewed September 2026 by the ClainetRCM credentialing team.
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A new practice needs a legal entity, an EIN, a Type 2 NPI, a bank account, malpractice coverage, Medicare and Medicaid enrollment, a CAQH profile for each provider, and applications with every commercial payer worth joining. Each step depends on the one before it. Medicare will not enroll a group without an NPI; payers will not credential without CAQH; CAQH requires a practice location and Tax ID.
ClainetRCM maps the sequence for your state and specialty, starts the long-lead items first, and runs the rest in parallel. Practices that engage us four to six months before opening are usually in network with their key payers on day one.
Starting too late
Commercial credentialing takes 90 to 150 days. A practice that starts when the lease is signed opens with no in-network payers and months of unbillable visits.
Wrong entity setup
Choosing the wrong entity type or registering the NPI before the Tax ID is issued creates mismatches that follow the practice through every application.
Provider IDs tied to the old employer
Providers leaving a group still have Medicare reassignments and payer contracts pointing to the old Tax ID. Those have to be terminated and re-established.
One coordinator owns the file from intake to effective date, so you always know who to call and what is outstanding.
Form the entity, obtain the EIN, open the bank account. See healthcare business registrations.
Type 2 NPI for the practice, Type 1 NPIs confirmed for each provider, practice address and phone established. See NPI registration.
Group enrollment, provider reassignments and EFT. State Medicaid and MCO applications in parallel. See Medicare provider enrollment.
Profiles built and attested, then applications filed with every prioritized commercial plan at once. See insurance credentialing.
Fee schedules reviewed and loaded, clearinghouse and ERA enrollment completed, first claims filed.
The sequence is the same for every payer and provider type; what changes is which documents and portals each step touches.
Licenses, DEA, board certificates, malpractice, work history and NPI details are collected and compared against what each target payer asks for.
CAQH ProView, PECOS and payer portals are created or cleaned up, attested and linked to the correct Tax ID and locations.
Every enrollment is filed in dependency order, with a tracking record for each payer, date and reference number.
Payers are contacted on a schedule. Requests for more information are answered the same business day.
Effective dates, provider IDs and fee schedules are logged and loaded into your billing system.
Four to six months before you plan to see patients. Medicare and CAQH can start as soon as the entity and NPI exist; commercial applications follow immediately. Starting later means opening with out-of-network status.
Your individual credentials transfer, but every payer contract and Medicare reassignment is tied to the old group's Tax ID. Each has to be re-established under the new practice, and the old ones should be terminated to avoid misdirected payments.
Medicare allows retroactive billing once enrollment is approved. Most commercial payers do not. Some practices bill out of network or under a credentialed colleague where the payer allows it. We advise on what each of your payers permits.
Yes. Entity formation, EIN, NPI, CLIA and PECOS are covered under our healthcare business registrations service, and we run them as part of the same startup plan.
The profile every commercial payer pulls from
Type 1 and Type 2 NPIs done correctly
License, education, NPDB and sanction checks
Renewals before the panel drops you
Entity, EIN, NPI, CLIA and PECOS
Starting out on your own
No setup fee, no long-term contract
Or return to the provider credentialing overview.
Send us 90 days of remittance data and we will show you, line by line, which claims were underpaid, denied, or never worked, and what it would take to recover them. No cost, no obligation, and you keep the report either way.
No setup fee. No long-term contract. Pricing from 2.29% of monthly collections.