Gregory A Lehman, DDS

Primary specialty

Oral and Maxillofacial Surgery (Dentist)Taxonomy code 1223S0112X

Practice address

850 Munshaw Lane
Crystal Lake, IL 60014

Phone

(815) 459-7400

Fax

(847) 658-9320

NPI assigned

Jun 6, 2006

Sex

Male

Sole proprietor

No

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: Yes

Green means eligible to order or refer.

Opted out of Medicare

Yes, effective Feb 24, 2014 through Feb 24, 2028

Medicare enrollment (NPD)

Enrolled

State licenses

Practice roles

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

• Lehman & Menis Oral & Maxillofacial Surgery, P.C.

  • Oral and Maxillofacial Surgery (Dentist)
  • Crystal Lake, IL
  • NPI 1194942110
  NPD (past) Authorized official

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1149552000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1477592061",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "850 MUNSHAW LANE",
            "city": "CRYSTAL LAKE",
            "state": "IL",
            "postal_code": "60014",
            "telephone_number": "815-459-7400",
            "fax_number": "847-658-9320"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "850 MUNSHAW LANE",
            "city": "CRYSTAL LAKE",
            "state": "IL",
            "postal_code": "60014",
            "telephone_number": "815-459-7400",
            "fax_number": "847-658-9320"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "LEHMAN",
        "first_name": "GREGORY",
        "middle_name": "A",
        "credential": "DDS",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-06-06",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "1223S0112X",
            "taxonomy_group": "",
            "desc": "Dentist, Oral and Maxillofacial Surgery",
            "state": "IL",
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Jerelyn Mei Lee
• Jessica Rose Lee, DPT
• John Lee, PHARMD
• Genevieve Marie Leenan
• Lehman & Menis Oral & Maxillofacial Surgery, P.C.
• Malinda Sue Lehman, MHP, LSW
• Michelle R Lehn, FNP-BC, FPA
• Erin Leib
• Ronald Jay Leib, DPM
• Annie Leinart, PA-C

• Oral and Maxillofacial Surgery (Dentist) in Crystal Lake, IL
• Providers in Crystal Lake, IL by specialty
• Oral and Maxillofacial Surgery (Dentist) in Illinois

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring; Opt Out Affidavits.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.