IES ARIZONA PLLC
Medicare Clinicians for NPI 1821752213
Emergency Medicine in Tucson, AZ

Active since October 22, 2021
5301 E GRANT RD, TUCSON, AZ 85712(520) 327-5461 Get Directions

NPPES record last updated: August 12, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Aug 12, 2025, Nov 22, 2022, Apr 7, 2022 and 1 more (4 updates tracked since 2021).

Clinicians Billing Medicare Through This Organization CMS

Clinicians who reassign their Medicare billing to this organization, per CMS enrollment records.

Ies Arizona PLLC in Tucson, AZ bills Medicare for 121 clinicians across 3 Medicare specialties. The largest specialties are Emergency Medicine with 87, Pediatric Medicine with 24 and Nurse Practitioner with 10. Of these, 10 practice at this address and 44 within 10 miles. Search by name or filter by specialty; each name links to that clinician's NPI profile.

121Clinicians
3Medicare specialties
121PECOS enrolled
92Accept Medicare
121 clinicians in 3 specialties

Emergency Medicine (87)

Emergency Medicine
NPI 1285379404
5301 E GRANT RD
Tucson, AZ 85712
(520) 626-5582
✔ PECOS✔ Accepts MedicareSame address
Emergency Medicine
NPI 1093135725
5301 E GRANT RD
Tucson, AZ 85712
(520) 327-5461
✔ PECOS✔ Accepts MedicareSame address
Emergency Medicine
NPI 1164004800
5301 E GRANT RD
Tucson, AZ 85712
(520) 327-5461
✔ PECOS✔ Accepts MedicareSame address
Emergency Medicine
NPI 1194353144
5301 E GRANT RD
Tucson, AZ 85712
(520) 324-1922
✔ PECOS✔ Accepts MedicareSame address
Emergency Medicine
NPI 1437234499
5301 E GRANT ROAD TUCSON MEDICAL CENTER EMERGENCY DEPARTMENT
Tucson, AZ 85712
(520) 324-1922
✔ PECOS✔ Accepts MedicareSame address
Emergency Medicine
NPI 1851613889
5301 E GRANT RD
Tucson, AZ 85712
(520) 234-5070
✔ PECOSSame address
Emergency Medicine
NPI 1679584387
5301 E GRANT RD
Tucson, AZ 85712
(520) 324-1922
✔ PECOS✔ Accepts MedicareSame address
Emergency Medicine
NPI 1417032079
5301 E GRANT RD
Tucson, AZ 85712
(520) 327-5461
✔ PECOSSame address
Emergency Medicine
NPI 1760795371
5301 E GRANT RD
Tucson, AZ 85712
(313) 745-3000
✔ PECOS✔ Accepts MedicareSame address
Emergency Medicine
NPI 1134569957
1842 E ELM ST
Tucson, AZ 85719
(520) 626-7233
✔ PECOS✔ Accepts Medicare3.9 mi
Emergency Medicine
NPI 1679066427
1501 N CAMPBELL AVE
Tucson, AZ 85724
(520) 626-7233
✔ PECOS✔ Accepts Medicare4.0 mi
Emergency Medicine
NPI 1982193421
1501 N CAMPBELL AVE
Tucson, AZ 85724
(520) 626-7233
✔ PECOS✔ Accepts Medicare4.0 mi
Emergency Medicine
NPI 1245493907
1501 N CAMPBELL AVE
Tucson, AZ 85724
(520) 626-7233
✔ PECOS✔ Accepts Medicare4.0 mi
Emergency Medicine
NPI 1134611486
1501 N CAMPBELL AVE
Tucson, AZ 85724
(520) 626-7878
✔ PECOS4.0 mi
Emergency Medicine
NPI 1023496304
1501 N CAMPBELL AVE
Tucson, AZ 85724
(520) 694-0111
✔ PECOS4.0 mi
Emergency Medicine
NPI 1306377247
1625 N CAMPBELL AVE
Tucson, AZ 85719
(520) 694-0111
✔ PECOS✔ Accepts Medicare4.1 mi
Emergency Medicine
NPI 1629715297
1625 N CAMPBELL AVE
Tucson, AZ 85719
(520) 626-7233
✔ PECOS✔ Accepts Medicare4.1 mi
Emergency Medicine
NPI 1881240497
1625 N CAMPBELL AVE
Tucson, AZ 85719
(480) 316-4391
✔ PECOS✔ Accepts Medicare4.1 mi
Emergency Medicine
NPI 1578025193
1625 N CAMPBELL AVE
Tucson, AZ 85719
(520) 626-7233
✔ PECOS✔ Accepts Medicare4.1 mi
Emergency Medicine
NPI 1457097180
1625 N CAMPBELL AVE
Tucson, AZ 85719
(520) 626-7233
✔ PECOS✔ Accepts Medicare4.1 mi
Emergency Medicine
NPI 1588227466
1625 N. CAMPBELL AVE
Tucson, AZ 85719
(520) 626-7233
✔ PECOS✔ Accepts Medicare4.1 mi
Emergency Medicine
NPI 1477127512
3950 S COUNTRY CLUB RD STE 200
Tucson, AZ 85714
(520) 626-5582
✔ PECOS✔ Accepts Medicare6.0 mi
Emergency Medicine
NPI 1366829228
3950 S COUNTRY CLUB RD
Tucson, AZ 85714
(520) 626-5582
✔ PECOS✔ Accepts Medicare6.0 mi
Emergency Medicine
NPI 1871805408
2800 E AJO WAY
Tucson, AZ 85713
(520) 626-5582
✔ PECOS✔ Accepts Medicare6.1 mi
Emergency Medicine
NPI 1952980369
6200 N LA CHOLLA BLVD
Tucson, AZ 85741
(520) 742-9000
✔ PECOS✔ Accepts Medicare9.0 mi
Emergency Medicine
NPI 1548614167
6200 N LA CHOLLA BLVD
Tucson, AZ 85741
(520) 742-9000
✔ PECOS✔ Accepts Medicare9.0 mi
Emergency Medicine
NPI 1487670188
6200 N LA CHOLLA BLVD
Tucson, AZ 85741
(520) 469-8014
✔ PECOS✔ Accepts Medicare9.0 mi
Emergency Medicine
NPI 1043876626
6200 N LA CHOLLA BLVD
Tucson, AZ 85741
(520) 742-9000
✔ PECOS✔ Accepts Medicare9.0 mi
Emergency Medicine
NPI 1851333660
6200 N LA CHOLLA BLVD
Tucson, AZ 85741
(520) 469-8014
✔ PECOS✔ Accepts Medicare9.0 mi
Emergency Medicine
NPI 1952333874
6200 N LA CHOLLA BLVD
Tucson, AZ 85741
(520) 469-8014
✔ PECOS✔ Accepts Medicare9.0 mi
Emergency Medicine
NPI 1457790438
6200 N LA CHOLLA BLVD
Tucson, AZ 85741
(520) 742-9000
✔ PECOS✔ Accepts Medicare9.0 mi
Emergency Medicine
NPI 1770516627
6200 N LA CHOLLA BLVD
Tucson, AZ 85741
(520) 469-8014
✔ PECOS✔ Accepts Medicare9.0 mi
Emergency Medicine
NPI 1952335499
6200 N LA CHOLLA BLVD
Tucson, AZ 85741
(520) 469-8014
✔ PECOS✔ Accepts Medicare9.0 mi
Emergency Medicine
NPI 1295766368
6200 N LA CHOLLA BLVD
Tucson, AZ 85741
(520) 469-8014
✔ PECOS✔ Accepts Medicare9.0 mi
Emergency Medicine
NPI 1629008867
6200 N LA CHOLLA BLVD
Tucson, AZ 85741
(520) 469-8014
✔ PECOS9.0 mi
Emergency Medicine
NPI 1275581811
6200 N LA CHOLLA BLVD
Tucson, AZ 85741
(520) 469-8014
✔ PECOS✔ Accepts Medicare9.0 mi
Emergency Medicine
NPI 1902249527
6200 N LA CHOLLA BLVD
Tucson, AZ 85741
(520) 469-8014
✔ PECOS✔ Accepts Medicare9.0 mi
Emergency Medicine
NPI 1053340877
6200 N LA CHOLLA BLVD
Tucson, AZ 85741
(520) 469-8014
✔ PECOS✔ Accepts Medicare12 mi
Emergency Medicine
NPI 1831532720
450 S OCOTILLO ST
Benson, AZ 85602
(520) 586-2261
✔ PECOS✔ Accepts Medicare39 mi
Emergency Medicine
NPI 1275585440
901 W REX ALLEN DR
Willcox, AZ 85643
(800) 444-7009
✔ PECOS✔ Accepts Medicare61 mi
Emergency Medicine
NPI 1811334907
TOHONO O'ODHAM NATION HEALTH CARE EMERGENCY DEPARTMENT
Sells, AZ 85634
(520) 383-7200
✔ PECOS✔ Accepts Medicare63 mi
Emergency Medicine
NPI 1922636976
1171 W TARGET RANGE RD
Nogales, AZ 85621
(520) 285-8020
✔ PECOS✔ Accepts Medicare63 mi
Emergency Medicine
NPI 1013537216
1171 W TARGET RANGE RD
Nogales, AZ 85621
(520) 285-3000
✔ PECOS✔ Accepts Medicare63 mi
Emergency Medicine
NPI 1629102363
4545 N HUNT HWY
Florence, AZ 85132
(480) 840-3702
✔ PECOS✔ Accepts Medicare67 mi
Emergency Medicine
NPI 1033748777
COPPER QUEEN COMMUNITY HOSPITAL 101 COLE AVE
Bisbee, AZ 85603
(310) 618-4910
✔ PECOS✔ Accepts Medicare82 mi
Emergency Medicine
NPI 1518082411
123 N WASHINGTON ST APT 45
Chandler, AZ 85225
(716) 310-4147
✔ PECOS92 mi
Emergency Medicine
NPI 1124713755
2601 E ROOSEVELT ST
Phoenix, AZ 85008
(602) 344-5011
✔ PECOS✔ Accepts Medicare107 mi
Emergency Medicine
NPI 1720584477
2601 E ROOSEVELT ST
Phoenix, AZ 85008
(602) 344-5011
✔ PECOS✔ Accepts Medicare107 mi
Emergency Medicine
NPI 1881011807
2601 E ROOSEVELT ST
Phoenix, AZ 85008
(602) 344-5602
✔ PECOS✔ Accepts Medicare107 mi
Emergency Medicine
NPI 1396040713
2601 E ROOSEVELT ST
Phoenix, AZ 85008
(602) 344-6011
✔ PECOS107 mi
Emergency Medicine
NPI 1508354630
2929 E THOMAS RD
Phoenix, AZ 85016
(602) 470-5560
✔ PECOS✔ Accepts Medicare107 mi
Emergency Medicine
NPI 1528231438
269 S CANDY LANE
Cottonwood, AZ 86326
(928) 634-2251
✔ PECOS✔ Accepts Medicare184 mi
Emergency Medicine
NPI 1326737172
1200 N BEAVER ST
Flagstaff, AZ 86001
(928) 773-2113
✔ PECOS✔ Accepts Medicare208 mi
Emergency Medicine
NPI 1568110815
1200 N BEAVER ST
Flagstaff, AZ 86001
(928) 779-3366
✔ PECOS✔ Accepts Medicare208 mi
Emergency Medicine
NPI 1093078396
10301 GATEWAY BLVD W
El Paso, TX 79925
(203) 313-4918
✔ PECOS268 mi
Emergency Medicine
NPI 1457611725
400 N PEPPER AVE MOB SUITE 107
Colton, CA 92324
(909) 580-1000
✔ PECOS✔ Accepts Medicare396 mi
Emergency Medicine
NPI 1023671062
1501 HILAND AVE
Burley, ID 83318
(516) 593-1380
✔ PECOS✔ Accepts Medicare727 mi
Emergency Medicine
NPI 1184041402
2021 GUADALUPE ST STE 260
Austin, TX 78705
(702) 420-1671
✔ PECOS✔ Accepts Medicare789 mi
Emergency Medicine
NPI 1285195453
1500 S MAIN ST
Fort Worth, TX 76104
(817) 702-8840
✔ PECOS✔ Accepts Medicare792 mi
Emergency Medicine
NPI 1952922775
1500 S MAIN ST
Fort Worth, TX 76104
(817) 702-8840
✔ PECOS✔ Accepts Medicare792 mi
Emergency Medicine
NPI 1750083572
3301 MATLOCK RD
Arlington, TX 76015
(682) 220-4073
✔ PECOS804 mi
Emergency Medicine
NPI 1154332575
5252 W UNIVERSITY DR
Mckinney, TX 75071
(469) 764-5059
✔ PECOS829 mi
Emergency Medicine
NPI 1790705283
1512 12TH AVE RD
Nampa, ID 83686
(208) 463-5100
✔ PECOS839 mi
Emergency Medicine
NPI 1831771500
400 S SANTA FE AVE
Salina, KS 67401
(785) 452-7163
✔ PECOS873 mi
Emergency Medicine
NPI 1306828702
10500 QUIVIRA RD EMERGENCY DEPARTMENT
Overland Park, KS 66215
(913) 469-4244
✔ PECOS✔ Accepts Medicare1,018 mi
Emergency Medicine
NPI 1396714465
10500 QUIVIRA RD
Overland Park, KS 66215
(913) 541-5340
✔ PECOS✔ Accepts Medicare1,018 mi
Emergency Medicine
NPI 1710545520
701 N 1ST ST
Springfield, IL 62781
(217) 788-3000
✔ PECOS✔ Accepts Medicare1,294 mi
Emergency Medicine
NPI 1255373494
3707 DOTY RD
Woodstock, IL 60098
(815) 338-6600
✔ PECOS✔ Accepts Medicare1,412 mi
Emergency Medicine
NPI 1932586534
20201 CRAWFORD AVE ATTN: POSTDOCTORAL EDUCATION
Olympia Fields, IL 60461
(708) 747-4000
✔ PECOS✔ Accepts Medicare1,427 mi
Emergency Medicine
NPI 1164956215
49 JESSE HILL JR DR SE SUITE 310
Atlanta, GA 30303
(404) 251-8866
✔ PECOS✔ Accepts Medicare1,538 mi
Emergency Medicine
NPI 1730540766
5100 W BROAD ST
Columbus, OH 43228
(614) 544-1000
✔ PECOS✔ Accepts Medicare1,633 mi
Emergency Medicine
NPI 1528417573
18101 OAKWOOD BLVD
Dearborn, MI 48124
(313) 593-7000
✔ PECOS✔ Accepts Medicare1,665 mi
Emergency Medicine
NPI 1154776482
950 15TH ST
Augusta, GA 30901
(706) 733-0188
✔ PECOS✔ Accepts Medicare1,677 mi
Emergency Medicine
NPI 1407025745
4675 HILL ST
Cass City, MI 48726
(989) 872-2121
✔ PECOS✔ Accepts Medicare1,692 mi
Emergency Medicine
NPI 1962021972
655 W 8TH ST
Jacksonville, FL 32209
(904) 244-5044
✔ PECOS✔ Accepts Medicare1,728 mi
Emergency Medicine
NPI 1174842439
11100 EUCLID AVE
Cleveland, OH 44106
(216) 844-1636
✔ PECOS✔ Accepts Medicare1,732 mi
Emergency Medicine
NPI 1588314975
1000 BLYTHE BLVD
Charlotte, NC 28203
(704) 355-2000
✔ PECOS✔ Accepts Medicare1,735 mi
Emergency Medicine
NPI 1437685237
3600 FORBES AVE FORBES TOWER - PLAZA SUITE 140
Pittsburgh, PA 15213
(412) 647-6340
✔ PECOS✔ Accepts Medicare1,804 mi
Emergency Medicine
NPI 1427510544
1301 CARLISLE ST
Natrona Heights, PA 15065
(724) 226-7036
✔ PECOS✔ Accepts Medicare1,817 mi
Emergency Medicine
NPI 1265973465
11750 BIRD RD
Miami, FL 33175
(305) 223-2000
✔ PECOS✔ Accepts Medicare1,893 mi
Emergency Medicine
NPI 1841467313
1250 E MARSHALL ST EMERGENCY MEDICINE
Richmond, VA 23298
(804) 828-0999
✔ PECOS✔ Accepts Medicare1,924 mi
Emergency Medicine
NPI 1164884573
1800 ORLEANS ST RM 8446 BLOOMBERG CHILDREN'S CENTER
Baltimore, MD 21287
(410) 955-6070
✔ PECOS1,974 mi
Emergency Medicine
NPI 1689028425
750 E ADAMS ST
Syracuse, NY 13210
(315) 464-5420
✔ PECOS✔ Accepts Medicare2,027 mi
Emergency Medicine
NPI 1144758442
750 E ADAMS ST
Syracuse, NY 13210
(315) 464-4363
✔ PECOS✔ Accepts Medicare2,027 mi
Emergency Medicine
NPI 1245670900
801 OSTRUM ST
Bethlehem, PA 18015
(484) 526-4500
✔ PECOS✔ Accepts Medicare2,044 mi
Emergency Medicine
NPI 1629148556
91 CAMPUS AVE
Lewiston, ME 04240
(207) 777-8120
✔ PECOS✔ Accepts Medicare2,333 mi
Emergency Medicine
NPI 1225611544
770 KAPIOLANI BLVD STE 705
Honolulu, HI 96813
(808) 597-8778
✔ PECOS✔ Accepts Medicare2,975 mi

Pediatric Medicine (24)

Pediatric Medicine
NPI 1134201189
5301 E GRANT ROAD TUCSON MEDICAL CENTER EMERGENCY DEPARTMENT
Tucson, AZ 85712
(520) 324-1922
✔ PECOSSame address
Pediatric Medicine
NPI 1003264581
1501 N CAMPBELL AVE
Tucson, AZ 85724
(520) 626-6507
✔ PECOS✔ Accepts Medicare4.0 mi
Pediatric Medicine
NPI 1740255850
1501 N CAMPBELL AVE
Tucson, AZ 85724
(520) 874-3500
✔ PECOS4.0 mi
Pediatric Medicine
NPI 1346773694
1501 N CAMPBELL AVE
Tucson, AZ 85724
(520) 626-7944
✔ PECOS✔ Accepts Medicare4.0 mi
Pediatric Medicine
NPI 1386726313
1501 N CAMPBELL AVE UNIVERSITY OF ARIZONA MEDICAL CENTER
Tucson, AZ 85724
(520) 626-6614
✔ PECOS4.0 mi
Pediatric Medicine
NPI 1154516813
2601 E ROOSEVELT ST
Phoenix, AZ 85008
(602) 344-5461
✔ PECOS✔ Accepts Medicare107 mi
Pediatric Medicine
NPI 1093788531
1919 E THOMAS RD EMERGENCY DEPARTMENT
Phoenix, AZ 85016
(602) 546-1000
✔ PECOS108 mi
Pediatric Medicine
NPI 1518347798
1919 E THOMAS RD
Phoenix, AZ 85016
(602) 933-1900
✔ PECOS✔ Accepts Medicare108 mi
Pediatric Medicine
NPI 1194733485
1919 E THOMAS RD
Phoenix, AZ 85016
(602) 933-1900
✔ PECOS108 mi
Pediatric Medicine
NPI 1114339512
1919 E THOMAS RD
Phoenix, AZ 85016
(602) 933-1900
✔ PECOS108 mi
Pediatric Medicine
NPI 1457858466
1919 E THOMAS RD
Phoenix, AZ 85016
(602) 546-2923
✔ PECOS✔ Accepts Medicare108 mi
Pediatric Medicine
NPI 1366402471
UNM DEPARTMENT OF EM MSC II 1 UNIVERSITY OF NM
Albuquerque, NM 87131
(505) 272-5062
✔ PECOS✔ Accepts Medicare309 mi
Pediatric Medicine
NPI 1548551310
3020 CHILDRENS WAY
San Diego, CA 92123
(858) 966-8800
✔ PECOS368 mi
Pediatric Medicine
NPI 1598025116
9300 VALLEY CHILDRENS PL # FC06
Madera, CA 93636
(559) 353-5803
✔ PECOS✔ Accepts Medicare600 mi
Pediatric Medicine
NPI 1124687959
701 E EL CAMINO REAL
Mountain View, CA 94040
(650) 934-7850
✔ PECOS727 mi
Pediatric Medicine
NPI 1013350834
19020 W LAKE HOUSTON PKWY
Humble, TX 77346
(281) 348-8800
✔ PECOS944 mi
Pediatric Medicine
NPI 1265606776
315 MARTIN LUTHER KING JR WAY
Tacoma, WA 98405
(253) 403-1418
✔ PECOS✔ Accepts Medicare1,202 mi
Pediatric Medicine
NPI 1376625327
248 MCHENRY ST
Burlington, WI 53105
(262) 767-2600
✔ PECOS1,428 mi
Pediatric Medicine
NPI 1235175183
9981 S HEALTHPARK DR
Fort Myers, FL 33908
(239) 343-2606
✔ PECOS✔ Accepts Medicare1,786 mi
Pediatric Medicine
NPI 1104802305
1210 S OLD DIXIE HWY
Jupiter, FL 33458
(239) 343-6260
✔ PECOS1,882 mi
Pediatric Medicine
NPI 1750644779
3100 SW 62ND AVE
Miami, FL 33155
(305) 666-6511
✔ PECOS1,898 mi
Pediatric Medicine
NPI 1740568435
7101 JAHNKE RD
Richmond, VA 23225
(804) 483-0040
✔ PECOS1,919 mi
Pediatric Medicine
NPI 1891954376
3959 BROADWAY DEPT OF PEDIATRIC EMERGENCY MEDICINE CHN 1-116
New York, NY 10032
(212) 305-9825
✔ PECOS✔ Accepts Medicare2,121 mi
Pediatric Medicine
NPI 1982189320
1650 GRAND CONCOURSE
Bronx, NY 10457
(718) 992-7669
✔ PECOS2,123 mi

Nurse Practitioner (10)

Nurse Practitioner
NPI 1831271840
5700 E PIMA STREET SUITE B
Tucson, AZ 85712
(520) 324-1922
✔ PECOS✔ Accepts Medicare0.8 mi
Nurse Practitioner
NPI 1992460620
1625 N CAMPBELL AVE
Tucson, AZ 85719
(520) 906-1705
✔ PECOS4.8 mi
Nurse Practitioner
NPI 1003071325
3870 W RIVER RD STE 126
Tucson, AZ 85741
(520) 219-6616
✔ PECOS✔ Accepts Medicare11 mi
Nurse Practitioner
NPI 1235746405
3662 W INA RD STE 150
Tucson, AZ 85741
(520) 309-1939
✔ PECOS✔ Accepts Medicare11 mi
Nurse Practitioner
NPI 1992190201
7720 E BIG MEADOW DR
Tucson, AZ 85756
(520) 221-0043
✔ PECOS✔ Accepts Medicare12 mi
Nurse Practitioner
NPI 1992069520
12997 N DESERT OLIVE DR
Oro Valley, AZ 85755
(520) 544-0100
✔ PECOS14 mi
Nurse Practitioner
NPI 1629443502
400 W CAMINO CASA VERDE STE 100
Green Valley, AZ 85614
(520) 625-1760
✔ PECOS✔ Accepts Medicare26 mi
Nurse Practitioner
NPI 1861469389
1209 W TARGET RANGE RD
Nogales, AZ 85621
(520) 287-4747
✔ PECOS✔ Accepts Medicare63 mi
Nurse Practitioner
NPI 1831571249
13400 E SHEA BLVD
Scottsdale, AZ 85259
(480) 301-8000
✔ PECOS✔ Accepts Medicare106 mi
Nurse Practitioner
NPI 1689067969
2510 W DUNLAP AVE SUITE 290
Phoenix, AZ 85021
(602) 789-0344
✔ PECOS✔ Accepts Medicare116 mi
No clinicians match the current filters.

About this data

Medicare reassignment. A clinician who works for a hospital, clinic or medical group usually signs a Medicare reassignment (form CMS-855R). It lets the organization bill Medicare for the clinician's services and receive the payment. This page lists the clinicians whose reassignment to Ies Arizona PLLC appears in the CMS Revalidation Reassignment List.

Who is included. Clinicians who bill Medicare under their own NPI through this organization. A clinician can reassign to more than one organization, so the same name may also appear under other groups.

✔ PECOS
Enrolled in Medicare through PECOS, CMS's enrollment system, and eligible to order and refer for Medicare patients.
✔ Accepts Medicare
Accepts Medicare assignment, which means taking the Medicare-approved amount as full payment for covered services.
Same address 4.2 mi
Straight-line distance from this NPI's practice location to the clinician's practice address.

Addresses and phone numbers come from each clinician's own NPPES record, so they may point to another office or to the clinician's own practice.

Source: CMS Revalidation Reassignment List, October 2026 release; addresses, phone numbers and Medicare status from NPPES and PECOS. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.