Documentation Index
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How the 6-digit Medicare Provider Number encodes state, facility type, and sequence
1 7 0 0 0 1
├─┘ ├─────┘
│ └── Facility type + sequence (digits 3-6)
└────── State code (digits 1-2)
| Digits | Name | Description |
|---|---|---|
| 1-2 | State code | US state or territory (01 = Alabama through 56 = Puerto Rico) |
| 3-6 | Facility type + sequence | Type range determines facility category; remaining digits are sequence |
| Code | State | Code | State | Code | State |
|---|---|---|---|---|---|
| 01 | Alabama | 19 | Maine | 37 | Oregon |
| 02 | Alaska | 20 | Maryland | 38 | Pennsylvania |
| 03 | Arizona | 21 | Massachusetts | 39 | Rhode Island |
| 04 | Arkansas | 22 | Michigan | 40 | South Carolina |
| 05 | California | 23 | Minnesota | 41 | South Dakota |
| 06 | Colorado | 24 | Mississippi | 42 | Tennessee |
| 07 | Connecticut | 25 | Missouri | 43 | Texas |
| 08 | Delaware | 26 | Montana | 44 | Utah |
| 09 | District of Columbia | 27 | Nebraska | 45 | Vermont |
| 10 | Florida | 28 | Nevada | 46 | Virginia |
| 11 | Georgia | 29 | New Hampshire | 47 | Washington |
| 12 | Hawaii | 30 | New Jersey | 48 | West Virginia |
| 13 | Idaho | 31 | New Mexico | 49 | Wisconsin |
| 14 | Illinois | 32 | New York | 50 | Wyoming |
| 15 | Indiana | 33 | North Carolina | 51 | Puerto Rico |
| 16 | Iowa | 34 | North Dakota | 52 | Virgin Islands |
| 17 | Kansas | 35 | Ohio | 53 | Guam |
| 18 | Kentucky | 36 | Oklahoma | 54 | American Samoa |
| Range | Facility Type | Payment System |
|---|---|---|
| 0001–0879 | Short-term (acute care) hospitals | OPPS / IPPS |
| 0880–0899 | Hospitals participating in ORD | OPPS / IPPS |
| 1000–1199 | Federally Qualified Health Centers | PPS |
| 1200–1224 | Alcohol/drug abuse treatment facilities | — |
| 1225–1299 | Organ Procurement Organizations | — |
| 1300–1399 | Critical Access Hospitals (CAH) | Cost-based |
| 1400–1499 | Community Mental Health Centers | OPPS |
| 1500–1799 | Hospice providers | Per-diem |
| 1800–1989 | Psychiatric hospitals | IPF PPS |
| 2000–2299 | Long-term care hospitals (LTCH) | LTCH PPS |
| 3000–3299 | Home Health Agencies | HH PPS |
| 3300–3399 | Home Health Agency sub-units | HH PPS |
| 3800–3974 | Rural Health Clinics | All-inclusive rate |
| 4000–4499 | Skilled Nursing Facilities (SNF) | SNF PPS |
| 4500–4599 | Comprehensive Outpatient Rehab | OPPS |
| 4800–4899 | End-Stage Renal Disease facilities | ESRD PPS |
| 5000–6499 | Rehabilitation hospitals and units | IRF PPS |
| 6500–6989 | Psychiatric units (in general hospitals) | IPF PPS |
curl -X POST https://sandbox.rcintell.com/v1/knowledge/resolve \
-H "X-API-Key: kp_test_..." \
-H "Content-Type: application/json" \
-d '{"ccn": "170001"}'
170001 as:
| Component | Value | Knowledge Layer |
|---|---|---|
State code 17 | Kansas | L1: GPCI locality, MAC jurisdiction (JL), Medicaid program |
Range 0001 | Short-term hospital | L2: OPPS/IPPS, UB-04 billing form, TOB codes |
| Identifier | Issued By | Encodes | Used For |
|---|---|---|---|
| CCN | CMS | State + facility type | Medicare certification, knowledge resolution |
| NPI | NPPES | Nothing (opaque 10-digit number) | Claim submission, provider identification |