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MR. GREGORY NATHANIEL YIT WEI LEE MD
NPI 1982395000
Internal Medicine in Detroit, MI

Active since May 18, 2023PECOS Enrolled
22101 MOROSS RD, DETROIT, MI 48236(313) 343-4000 Get Directions Write a Review

NPPES record last updated: June 10, 2026. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: May 26, 2026, Aug 10, 2023, May 18, 2023 (3 updates tracked since 2023).

About Mr. Gregory Nathaniel Yit Wei Lee Md NPPES

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

MR. GREGORY NATHANIEL YIT WEI LEE MD (NPI 1982395000) is an individual internal medicine provider in Detroit, Michigan, licensed in Michigan (4301517557) and active in the NPI registry since May 2023. He is enrolled in Medicare PECOS and is a graduate of Other (2023).

NPPES Registry Identity

NPI1982395000
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameMR. GREGORY NATHANIEL YIT WEI LEECredential: MD
Location Address22101 MOROSS RDDetroit, MI 48236
Mailing Address8481 Parkridge DrDexter, MI 48130-9398
Phone(313) 343-4000
Sole ProprietorYes
Medical School CMSOtherGraduated 2023
Enumeration DateMay 18, 2023
Last NPPES UpdateJune 10, 20263 updates tracked since enumeration
NPPES CertifiedJune 10, 2026
✔ NPI 1982395000 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in MI · 4301517557
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.
22101 MOROSS RD, Detroit, MI 48236
Open in Google Maps ↗

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mr. Gregory Nathaniel Yit Wei Lee Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID3375013295
PECOS Enrollment IDI20260601001985
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Gregory Lee reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Henry Ford Health St. John Hospital
Same address
Social Worker
22101 MOROSS RD
Detroit, MI 48236
  • Reassigned Medicare billing, Michigan enrollment
  • 520 clinicians in this Medicare group
NPI 1114366333 (313) 343-4000

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 48236 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$134.28 typical visit price
range $58.04 – $177.36
Typical copayment $33.57 (range $14.51 – $44.34)
Most-billed visit code 99204
Established Patient
$102.35 typical visit price
range $18.32 – $143.49
Typical copayment $25.58 (range $4.58 – $35.87)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MARY DECAROLIS LMSW, ACSW
Social Worker (Clinical)
22101 MOROSS RD
DETROIT, MI 48236
Wayne County (313) 417-2769
ELEFTHERIOS VOUYOUKAS MD, MSC
Pathology (Anatomic Pathology & Clinical Pathology)
22101 MOROSS RD
DETROIT, MI 48236
Wayne County (313) 343-4000
JAINA SABU SAMUEL
Nurse Practitioner (Acute Care)
22101 MOROSS RD
DETROIT, MI 48236
Wayne County (313) 343-4000
DR. DANIEL S RANA M.D.
Anesthesiology
22101 MOROSS RD
DETROIT, MI 48236
Wayne County (313) 343-4000
MRS. MARIA ANNA SYJUD MPT
Physical Therapist
22101 MOROSS RD
DETROIT, MI 48236
Wayne County (313) 343-3744
DANIEL P SNOWER MD
Pathology (Anatomic Pathology & Clinical Pathology)
22101 MOROSS RD
DETROIT, MI 48236
Wayne County (313) 343-4000
ST. JOHN HOSPITAL AND MEDICAL CENTER
Clinic/Center
22101 MOROSS RD
DETROIT, MI 48236
Wayne County (586) 753-0011
ENAS ALSHAREKH
Internal Medicine
22101 MOROSS RD, PB2 SUITE 50
DETROIT, MI 48236
Wayne County (313) 343-7774

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 Gregory Lee's NPI number?

The NPI number for Gregory Lee is 1982395000. It was assigned to this individual provider in the NPPES registry on May 18, 2023.

Where is Gregory Lee located?

Gregory Lee practices at 22101 Moross Rd, Detroit, MI 48236. The listed phone number is (313) 343-4000.

What is Gregory Lee's specialty?

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

Is Gregory Lee enrolled in Medicare?

Yes. Gregory Lee is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Gregory Lee's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Gregory Lee reassigns Medicare benefits to Henry Ford Health St. John Hospital (Detroit, MI). The 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 Gregory Lee's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Gregory Lee was last updated on June 10, 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.