Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. John Joseph Flaherty Jr., MD, MPH

Individual provider General Practice Physician · NPI 1528143807

Dr. John Joseph Flaherty Jr., MD, MPH is an Emergency Medicine in LA Crosse, Wisconsin. Qualified in 1981, 45 years ago. Practices with Fedko Emergency Physicians New Mexico, LLC, a 51-clinician group, works from 15 locations and accepts Medicare assignment. Licensed in Illinois, Minnesota, New Mexico and Wisconsin.

Years since qualifying
45
Licensed in
IL, MN, NM, WI
In the registry since
2006
Specialties on file
4
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.
MPH — Master of Public Health
A graduate degree in population health.

See every abbreviation used in this directory →

Practice location Address checks out

1836 S Ave
LA Crosse, WI 54601-5429
Phone: (608) 782-7300
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (14)

  • 2705 S Alma School Rd Ste 2, Chandler, AZ 85286-4400 — (866) 273-2451
  • 1408 8th St, Alamogordo, NM 88310-5115 — (866) 273-2451
  • 6565 Americas Pkwy Ne Ste 200, Albuquerque, NM 87110-8172 — (866) 273-2451
  • 201 N 4th St, Artesia, NM 88210-2168 — (866) 273-2451
  • 100 Gossett Dr Ste B, Aztec, NM 87410-4529 — (866) 273-2451
  • 301 N Canyon St, Carlsbad, NM 88220-5809 — (866) 273-2451
  • 1224 W 21st St, Clovis, NM 88101-4199 — (866) 273-2451
  • 2301 E 20th St, Farmington, NM 87401-8905 — (866) 273-2451
  • 950 W Aztec Ave, Gallup, NM 87301-6666 — (866) 273-2451
  • 201 E Las Cruces Ave Ste. 1501, Las Cruces, NM 88001 — (866) 273-2451
  • 115 E College Blvd, Roswell, NM 88201-5158 — (866) 273-2451
  • 1012 Marquez Pl Unit 106b, Santa Fe, NM 87505-1833 — (866) 273-2451
  • 500 N Hudson St, Silver City, NM 88061-5435 — (866) 273-2451
  • 221 N Kansas St Ste 700, El Paso, TX 79901-1444 — (866) 273-2451

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence 86972 (WI)
General Practice Physician Taxonomy 208D00000X · Licence MD2022-1413 (NM)
Emergency Medicine Physician Taxonomy 207P00000X · Licence 036064476 (IL)
Emergency Medicine Physician Taxonomy 207P00000X · Licence 81701 (MN)

Record details

NPI number1528143807
Entity typeIndividual (Type 1)
GenderMale
Credentials MD , MPH
Sole proprietorNo
NPI enumeratedOctober 26, 2006
Last updated in NPPESApril 3, 2026
Certification dateApril 3, 2026

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyEMERGENCY MEDICINE
Also practisesINTERNAL MEDICINE, PEDIATRIC MEDICINE
Medical schoolOTHER
Graduated 1981 (45 years in practice)
Group practice Fedko Emergency Physicians New Mexico, Llc — 51 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

Other providers in LA Crosse