Certificate for Provider-Performed Microscopy (PPM)
22,900 laboratories hold this certificate in the CMS file for Q2 2026.
What it allows
Issued to a laboratory in which a physician, midlevel practitioner or dentist performs specific microscopy procedures during a patient's visit. It also covers waived tests.
A certificate says which tests a laboratory may perform. It does not grade the laboratory.
Who holds it
| Facility type | Active laboratories |
|---|---|
| Physician Office | 16,682 |
| Federally Qualified Health Center | 1,602 |
| Community Clinic | 1,173 |
| Other | 964 |
| School/Student Health Service | 459 |
| Rural Health Clinic | 418 |
| Other Practitioner | 398 |
| Ancillary Test Site | 285 |
| Hospital | 262 |
| Public Health Laboratory | 215 |
| Health Maintenance Organization | 172 |
| Independent Laboratory | 69 |
By state
| State or territory | Active laboratories |
|---|---|
| Alabama | 382 |
| Alaska | 104 |
| Arizona | 433 |
| Arkansas | 254 |
| California | 2,044 |
| Colorado | 557 |
| Connecticut | 321 |
| Delaware | 102 |
| District of Columbia | 63 |
| Florida | 715 |
| Georgia | 861 |
| Guam | 2 |
| Hawaii | 156 |
| Idaho | 274 |
| Illinois | 890 |
| Indiana | 566 |
| Iowa | 209 |
| Kansas | 160 |
| Kentucky | 393 |
| Louisiana | 433 |
| Maine | 106 |
| Maryland | 543 |
| Massachusetts | 420 |
| Michigan | 856 |
| Minnesota | 98 |
| Mississippi | 258 |
| Missouri | 411 |
| Montana | 134 |
| Nebraska | 200 |
| Nevada | 56 |
| New Hampshire | 147 |
| New Jersey | 265 |
| New Mexico | 197 |
| New York | 846 |
| North Carolina | 1,182 |
| North Dakota | 20 |
| Northern Mariana Islands | 2 |
| Ohio | 1,126 |
| Oklahoma | 252 |
| Oregon | 354 |
| Pennsylvania | 1,177 |
| Puerto Rico | 4 |
| Rhode Island | 76 |
| South Carolina | 637 |
| South Dakota | 51 |
| Tennessee | 676 |
| Texas | 1,760 |
| U.S. Virgin Islands | 6 |
| Utah | 220 |
| Vermont | 88 |
| Virginia | 797 |
| Washington | 528 |
| West Virginia | 156 |
| Wisconsin | 244 |
| Wyoming | 88 |