FIRST DOCS PC
NPI 1417655465
Internal Medicine in Naperville, IL

Active since February 20, 2023
1525 OXFORD LN, NAPERVILLE, IL 60565(702) 762-2485(609) 585-0309 Get Directions Write a Review

NPPES record last updated: May 27, 2026. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: May 27, 2026, May 21, 2026, Nov 24, 2024 and 6 more (9 updates tracked since 2023).

About First Docs Pc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

FIRST DOCS PC (NPI 1417655465) is a healthcare organization registered as an internal medicine in Naperville, Illinois and active in the NPI registry since February 2023. The organization maintains 3 additional practice locations and lists Cheryl Lee, Director Contracting, as its authorized official.

NPPES Registry Identity

NPI1417655465
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameFIRST DOCS PC
Location Address1525 OXFORD LNNaperville, IL 60565-1511
Mailing AddressPo Box 7411009Chicago, IL 60674-3009 · (702) 762-2485 · Fax (609) 585-0309
Fax(609) 585-0309
Organization SubpartNo
Authorized OfficialCheryl LeeDirector Contracting · (413) 800-6069
Enumeration DateFebruary 20, 2023
Last NPPES UpdateMay 27, 20269 updates tracked since enumeration
NPPES CertifiedMay 27, 2026
✔ NPI 1417655465 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Also ListedPhysical Medicine & RehabilitationTaxonomy 208100000X
Also ListedHospitalistTaxonomy 208M00000X
1525 OXFORD LN, Naperville, IL 60565

Secondary Practice Locations 3

Location 11401 St Joseph PkwyHouston, TX 77002-8301 · Phone (609) 585-1122
Location 2830 Lakeside CirPompano Beach, FL 33060-7748 · Phone (609) 585-1122
Location 310 Woodland DrCoventry, RI 02816-6716 · Phone (872) 231-3162

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

First Docs Pc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

547

Medicare enrollment records show 547 clinicians reassign Medicare billing to First Docs PC, which bills Medicare for the services they deliver. Of these, 2 practice within 10 miles. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 15

Internal Medicine301
Nurse Practitioner108
Family Practice70
Hospitalist41
General Practice11
Psychiatry3
Hematology/Oncology2
Hospice/Palliative Care2
7 other specialties9

Nearest to this location (20)

See all 547
Nurse Practitioner
NPI 1053772178
396 REMINGTON BLVD
Bolingbrook, IL 60440
(630) 759-2966
✔ PECOS✔ Accepts Medicare4.8 mi
Internal Medicine
NPI 1598849895
2500 S HIGHLAND AVE STE 230
Lombard, IL 60148
(630) 429-9000
✔ PECOS✔ Accepts Medicare8.9 mi
Family Practice
NPI 1689770232
908 N ELM ST STE 202
Hinsdale, IL 60521
(630) 861-6663
✔ PECOS✔ Accepts Medicare12 mi
Nurse Practitioner
NPI 1861514408
16632 S 107TH CT
Orland Park, IL 60467
(708) 349-6350
✔ PECOS✔ Accepts Medicare17 mi
Internal Medicine
NPI 1205463981
2160 S 1ST AVE
Maywood, IL 60153
(708) 216-9000
✔ PECOS✔ Accepts Medicare17 mi
Nurse Practitioner
NPI 1073260907
51 VENETO CT
Streamwood, IL 60107
(773) 440-5270
✔ PECOS✔ Accepts Medicare19 mi
Nurse Practitioner
NPI 1124724240
2200 W HIGGINS RD STE 140
Hoffman Estates, IL 60169
(847) 781-3100
✔ PECOS✔ Accepts Medicare22 mi
Nurse Practitioner
NPI 1669820791
3150 W HIGGINS RD
Hoffman Estates, IL 60169
(847) 885-8480
✔ PECOS✔ Accepts Medicare22 mi
Internal Medicine
NPI 1699184499
748 S WESTERN AVE
Chicago, IL 60612
(312) 843-2259
✔ PECOS✔ Accepts Medicare24 mi
Hospitalist
NPI 1376005835
820 S WOOD ST STE 100
Chicago, IL 60612
(312) 996-2933
✔ PECOS25 mi
Nurse Practitioner
NPI 1538480132
8816 W DEMPSTER ST
Niles, IL 60714
(847) 723-7052
✔ PECOS✔ Accepts Medicare25 mi
Family Practice
NPI 1346985041
1717 W CONGRESS PKWY STE 1121
Chicago, IL 60612
(312) 942-2852
✔ PECOS✔ Accepts Medicare25 mi
Nurse Practitioner
NPI 1366888208
1760 CAPITAL ST
Elgin, IL 60124
(872) 231-3162
✔ PECOS✔ Accepts Medicare26 mi
Internal Medicine
NPI 1437531811
2525 S MICHIGAN AVE
Chicago, IL 60616
(815) 519-9261
✔ PECOS✔ Accepts Medicare27 mi
Nurse Practitioner
NPI 1699319723
5352 N LINCOLN AVE
Chicago, IL 60625
(773) 353-5047
✔ PECOS✔ Accepts Medicare28 mi
Internal Medicine
NPI 1477971828
PO BOX 7411009
Chicago, IL 60674
(609) 585-1122
✔ PECOS✔ Accepts Medicare28 mi
Internal Medicine
NPI 1164942066
2650 RIDGE AVE. IM HOSPITALISTS STE 4210
Evanston, IL 60201
(847) 570-1010
✔ PECOS✔ Accepts Medicare32 mi
Family Practice
NPI 1760045900
9200 CALUMET AVE
Munster, IN 46321
(219) 806-6585
✔ PECOS✔ Accepts Medicare34 mi
Hospitalist
NPI 1538401849
1 KISH HOSPITAL DR
Dekalb, IL 60115
(815) 756-1521
✔ PECOS✔ Accepts Medicare35 mi
Family Practice
NPI 1720469539
350 PELLER RD
Lake Geneva, WI 53147
(262) 249-0221
✔ PECOS✔ Accepts Medicare61 mi
See all 547 clinicians

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is First Docs PC's NPI number?

The NPI number for First Docs PC is 1417655465. It was assigned to this organization in the NPPES registry on February 20, 2023.

Where is First Docs PC located?

First Docs PC is located at 1525 Oxford Ln, Naperville, IL 60565. The listed phone number is (702) 762-2485.

What is First Docs PC's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is First Docs PC enrolled in Medicare?

Yes. First Docs PC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through First Docs PC?

According to the CMS Revalidation Reassignment List (October 2026 release), 547 clinicians in 15 Medicare specialties reassign their Medicare billing to First Docs PC. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. The largest specialties are Internal Medicine (301), Nurse Practitioner (108) and Family Practice (70). Of these, 2 practice within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

What insurance does First Docs PC accept?

Health plans from Highmark Blue Cross Blue Shield Delaware and Molina Healthcare list First Docs PC as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for First Docs PC was last updated on May 27, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.