Individual provider

Tanesha Lloyd, M.D.

Internal Medicine Physician

Tanesha Lloyd, M.D. is an Internal Medicine Physician in Chicago, IL, registered under NPI 1154497857.

Getting there

The practice address on file is 2551 N CLARK ST STE 303, Chicago, IL 60614. We have not yet mapped what surrounds this office — parking, transit, and nearby pharmacies are added as our data collection reaches each location.

2551 N CLARK ST STE 303, Chicago, IL 60614 Open in Google Maps →

Credentials and Medicare

State licence
LicenceStateSpecialty
036-114202 MD Internal Medicine Physician primary
63237 GA Internal Medicine Physician

Licences are recorded in 2 states: MD, GA. Providers licensed in several states often practise near a state border or deliver telehealth across state lines.

Medicare (PECOS)

This NPI does not appear in the PECOS Medicare enrolment file. Providers who do not bill Medicare — or who bill only through a group's enrolment — will not appear here. It is not a sign of any problem with the registration.

Licensed in 2 states

This provider holds licences in 2 states: Georgia and Maryland. Multi-state licensure often means the provider works near a state border, covers more than one office, or delivers care by telehealth. If the address above is far from you, it is worth calling to ask whether they practise closer to where you live.

GA Georgia
Licence
63237
Specialty
Internal Medicine Physician
Verify with the GA board →
MD Maryland
Licence
036-114202
Specialty
Internal Medicine Physician
Verify with the MD board →

Licence numbers are self-reported to NPPES at registration. They do not confirm a licence is currently active, in good standing, or valid for the specialty shown — only the state board can tell you that, which is why we link to each one.

What Internal Medicine covers

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. NUCC Health Care Provider Taxonomy, code 207R00000X
Allopathic & Osteopathic Physicians Internal Medicine

All registered taxonomy codes

This provider registers 2 taxonomy codes. The primary code is what appears on most claims; the others record additional recognised specialties.

CodeSpecialtyLicenceState
207R00000X Internal Medicine Physician 036-114202 MD primary
207R00000X Internal Medicine Physician 63237 GA

The taxonomy records how the provider classifies their own practice. It does not confirm which conditions they currently treat, whether they are accepting new patients, or which insurance they take — call the office for that.

Full NPPES record

An NPI-1 identifies a single person. It stays with the clinician for life, even if they move practice or change state, which is why the address on file can lag behind where they actually work today.

NPI1154497857 valid check digit
Entity typeIndividual (NPI-1)
Enumeration dateNov 27, 2006
Last updatedDec 11, 2025
StatusActive
Sole proprietorNo
CredentialM.D.
Practice address 2551 N CLARK ST STE 303
Chicago, IL 60614
(312) 730-7030
Mailing address 1507 E 53RD ST UNIT 463
Chicago, IL 60615
Other identifiers 1154497857 (GA)
036-114202 · ILLINOIS STATE MEDICAL LI (IL)
63237 · GA MEDICAL LICENSE (GA)
036114202 (IL)
This record was updated on Dec 11, 2025, which is recent enough that the contact details are likely still accurate.

Number check

1154497857 passes the NPI check digit test The final digit 7 matches the value computed from the first nine digits, so this is a well-formed NPI.
How the check works, step by step

Every NPI carries a Luhn check digit — the same scheme used on credit cards. CMS prefixes the number with 80840 before computing it, which marks it as a US health identifier.

Digit 8 0 8 4 0 1 1 5 4 4 9 7 8 5
Doubled? ×2 ×2 ×2 ×2 ×2 ×2 ×2
Value 8 0 8 8 0 2 1 1 4 8 9 5 8 1

Sum = 63 · next multiple of 10 = 70 · check digit = 7 · actual last digit = 7

A valid check digit only means the number is well-formed. It does not mean the provider is licensed, active, or in good standing — those are separate questions answered by the sections above.

Common questions

What is NPI number 1154497857?
NPI 1154497857 is the National Provider Identifier assigned to Tanesha Lloyd, M.D. in Chicago, IL. It is a 10-digit number issued by the Centers for Medicare & Medicaid Services and used on claims, referrals, and prescriptions to identify the provider.
What does Internal Medicine Physician cover?
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…
How do I contact Tanesha Lloyd, M.D.?
The phone number on file with NPPES is (312) 730-7030, last updated Dec 11, 2025. Because NPPES is only updated when a provider files a change, call ahead to confirm the number and the current practice address before visiting.
Is NPI 1154497857 a valid number?
Yes. 1154497857 passes the Luhn check digit validation that CMS uses for NPI numbers, and it resolves to an active record in the registry.
How to use this page. Everything here comes from public federal records. Tips Health does not verify quality of care, confirm that a licence is currently active, or check malpractice history, and accepts no fees for placement. A listing is not a recommendation. Verify independently before seeking care.