Frequencies for first 10,000 rows of specialistrequiringreferral variable in plan2016 dataset : Specialist Requiring a Referral | Freq. Percent Cum. ----------------------------------------+----------------------------------- | 8,178 81.78 81.78 A PCP is required for specialist visi.. | 12 0.12 81.90 ALL specialists | 26 0.26 82.16 All Specialist | 7 0.07 82.23 All Specialist require a referral wit.. | 26 0.26 82.49 All Specialists | 46 0.46 82.95 All except OBGYN | 104 1.04 83.99 All except OGBYN | 140 1.40 85.39 All providers other than Family Pract.. | 119 1.19 86.58 All providers other than Family Pract.. | 121 1.21 87.79 All providers other than Family Pract.. | 76 0.76 88.55 All providers other than Family Pract.. | 139 1.39 89.94 All, except OBGYN and as state mandated | 444 4.44 94.38 All, except OBGYN and as state mandat.. | 43 0.43 94.81 All, excluding OB and Mental Health | 107 1.07 95.88 Allergy & Immunology, Anesthesiology,.. | 71 0.71 96.59 Referral required for all physicians .. | 40 0.40 96.99 Referrals are required for all servic.. | 30 0.30 97.29 Referrals are required for all servic.. | 12 0.12 97.41 The member's PCP will refer to all sp.. | 238 2.38 99.79 This requirement does not apply to Em.. | 21 0.21 100.00 ----------------------------------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 6 Oct 2016