Dr. Penaherrera graduated from the Southern Illinois University School Of Medicine in 1997. Dr. Penaherrera works in New Lenox, IL and specializes in Internal Medicine. Dr. Penaherrera is affiliated with Silver Cross Hospital and Silver Cross Hospital.


Years Experience: 22

Dr. Penaherrera's Specialties

Dr. Penaherrera's Education & Training

Medical School
Southern Illinois University School Of Medicine; Graduated 1997


  • Overall Rating

  • Rate
    Explains conditions & treatments

  • Rate
    Takes time to answer my questions

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    Provides follow-up as needed

Dr. Penaherrera's Accepted Insurance

Please verify insurance information directly with your doctor's office as it may change frequently.

Insurance Plans

  • Aetna Choice POS II
  • Aetna HMO
  • Aetna Managed Choice POS Open Access
  • Aetna Signature Administrators PPO
  • Ambetter Illinicare Health Network MRF

Dr. Penaherrera's Office Information & Appointments


Sanitas Medical Group

1890 Silver Cross Blvd Ste 265
New Lenox, IL 60451

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Tel: (815) 727-4292

Fax: (815) 727-5395

Practice Website: sanitasmedicalgroup.org

Accepting New Patients: Yes

Medicare Accepted: No

Medicaid Accepted: Yes

M 9:00 AM - 4:00 PM
T 9:00 AM - 4:00 PM
W 9:00 AM - 4:00 PM
T 9:00 AM - 4:00 PM
F 9:00 AM - 4:00 PM
S 9:00 AM - 11:30 AM
S Closed

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