Active NPI
Mark A Szewczyk, MD
- Otolaryngology Physician
- Lakeland, FL
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Otolaryngology Physician
- License
- ME148765
- Practice address
- 3030 Harden Blvd
Lakeland, FL 33803-7952 - Phone
- (863) 284-5906
- Fax
- (863) 284-5149
- NPI assigned
- Aug 20, 2006
- Last updated
- Sep 22, 2026
- Sex
- Male
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 2
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Otolaryngology Physician | 207Y00000X | ME148765 | FL | Primary |
| Otolaryngology Physician | 207Y00000X | 4301082893 | MI |
Addresses
Primary practice location
3030 Harden Blvd
Lakeland, FL 33803-7952
Mailing address
3950 Hollywood Rd Ste 280
Saint Joseph, MI 49085-9151
Phone (269) 982-3368
Other practice location 1
2002 S 11th St
Niles, MI 49120-4074
Phone (269) 687-0200
Other practice location 2
3950 Hollywood Rd Ste 280
Saint Joseph, MI 49085-9151
Phone (269) 982-3368
Electronic endpoints 1
| Type | Endpoint | Use | Affiliation |
|---|---|---|---|
| Direct Messaging Address | mszewczyk28840@LRHS.direct-ci.com | Direct |
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in FL, ME
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 2
Care Compare profile
Medicare Care Compare- Specialty
- Otolaryngology
- Education
- Other, 1993
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
234 State St
Brewer, ME 04412-1519
Phone (207) 989-0550
417 State St
Suite 20
Bangor, ME 04401-6637
Phone (207) 275-1500
489 State St
Bangor, ME 04401-6616
Phone (207) 973-7000
885 Union St
Suite 145
Bangor, ME 04401-3073
Phone (207) 973-9595
Hospital & facility affiliations
Merit-based Incentive Payment System (MIPS)
- Final score
- 96.58 of 100
- Quality
- 83.17
- Promoting interoperability
- 100
- Improvement activities
- 40
Merit-based Incentive Payment System (MIPS)
- Final score
- 84.1 of 100
- Quality
- 64.8
- Promoting interoperability
- 96
- Improvement activities
- 40
- Cost
- 68.87
Merit-based Incentive Payment System (MIPS)
- Final score
- 86.12 of 100
- Quality
- 64.08
- Promoting interoperability
- 98
- Improvement activities
- 40
- Cost
- 76.83
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| ME148765 | FL | MD | Otolaryngology Physician |
| 119870 | MO | MD | Certified Registered Nurse Anesthetist |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Lakeland Regional Health Systems, Inc. | Current | Accepting new patients | |
| Eastern Maine Medical Center | Current | Accepting new patients | |
| Eastern Maine Medical Center | Current | Accepting new patients | |
| Mercy Clinic ENT LLC | Otolaryngology | Past | Accepting new patients |
| Overland Medical Center | Past | Accepting new patients | |
| Lake Michigan ENT PLLC | Otolaryngology | Past | Accepting new patients |
Locations
1324 Lakeland Hills Blvd
Lakeland, FL 33805
Phone (863) 687-1132
3030 Harden Blvd
Lakeland, FL 33803
Phone (863) 687-1222
3525 Lakeland Hills Blvd
Lakeland, FL 33805
Phone (863) 603-6565
489 State St
Bangor, ME 04401
Phone (207) 973-8837
Interoperability endpoints
- mszewczyk28840@lrhs.direct-ci.com
Organizations & group practices 6
Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.
-
- General Acute Care Hospital
- Bangor, ME
- NPI 1790789147
-
- Multi-Specialty Clinic/Center
- Lakeland, FL
- NPI 1497748743
-
- Rehabilitation Hospital Unit
- Bangor, ME
- NPI 1780674689
-
- Otolaryngology Physician
- Muskegon, MI
- NPI 1881709988
-
- Otolaryngology Physician
- Washington, MO
- NPI 1366705998
-
- Internal Medicine Physician
- Overland, MO
- NPI 1679637870
Hospital & facility affiliations 2
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- Bangor, ME
- NPI 1790789147
-
- General Acute Care Hospital
- Bangor, ME
- NPI 1154321545
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1156032000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1790035200000",
"number": "1811002066",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "3950 HOLLYWOOD RD STE 280",
"city": "SAINT JOSEPH",
"state": "MI",
"postal_code": "490859151",
"telephone_number": "269-982-3368"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "3030 HARDEN BLVD",
"city": "LAKELAND",
"state": "FL",
"postal_code": "338037952",
"telephone_number": "863-284-5906",
"fax_number": "863-284-5149"
}
],
"practiceLocations": [
{
"address_1": "2002 S 11th St",
"address_purpose": "LOCATION",
"city": "Niles",
"state": "MI",
"postal_code": "491204074",
"country_code": "US",
"telephone_number": "269-687-0200",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "3950 Hollywood Rd Ste 280",
"address_purpose": "LOCATION",
"city": "Saint Joseph",
"state": "MI",
"postal_code": "490859151",
"country_code": "US",
"telephone_number": "269-982-3368",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "SZEWCZYK",
"first_name": "MARK",
"middle_name": "A",
"name_prefix": "Mr.",
"credential": "MD",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2006-08-20",
"last_updated": "2026-09-22",
"certification_date": "2026-09-22",
"status": "A"
},
"taxonomies": [
{
"code": "207Y00000X",
"taxonomy_group": "",
"desc": "Otolaryngology",
"state": "FL",
"license": "ME148765",
"primary": true
},
{
"code": "207Y00000X",
"taxonomy_group": "",
"desc": "Otolaryngology",
"state": "MI",
"license": "4301082893",
"primary": false
}
],
"identifiers": [],
"endpoints": [
{
"endpointType": "DIRECT",
"endpointTypeDescription": "Direct Messaging Address",
"endpoint": "mszewczyk28840@LRHS.direct-ci.com",
"affiliation": "N",
"use": "DIRECT",
"useDescription": "Direct",
"address_1": "3030 Harden Blvd",
"city": "Lakeland",
"state": "FL",
"country_code": "US",
"postal_code": "338037952",
"country_name": "United States",
"address_type": "DOM"
}
],
"other_names": []
}
Other providers in Lakeland, FL
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 22, 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.
- Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.