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Active NPI 1639600885 Individual Practitioner Male Practitioner

Dr. Marcus Brandon Calderon , MD

Internal Medicine • Ann Arbor, MI

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Marcus Calderon, MD is a certified Internal Medicine practicing in Ann Arbor, MI. With approximately 9 years of clinical experience since graduating from New York University School Of Medicine in 2017, Dr. Calderon delivers high-quality medical care to the local community at 1500 E MEDICAL CENTER DR.

Dr. Calderon maintains professional affiliations with Iu Health Medical Group Llc, Regents Of The University Of Michigan and accepts Medicare assignment.

Frequently performed procedures and clinical services include initial hospital care with straightforward or low-level medical decision making, if using time, at least, subsequent hospital care with moderate levelof medical decision making, if using time, at least, initial hospital care with moderate level of medical decision making, if using time, at least. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

1500 E Medical Center Dr

Ann Arbor, MI 481095000

Telephone 7349364000
Associated Practice Facility / Clinic

Medicare Profile & Education

Medical School

New York University School Of Medicine

Graduation Year

2017

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine in Ann Arbor, MI

Experienced Practitioner (5-10 Yrs)
Practitioner Clinical Experience
9 Yrs -10.3 yrs vs City Avg
City Avg: 19.3 Yrs
State Avg: 26.5 Yrs
Regional Practice Density
496 Specialists

Practicing in Ann Arbor, MI (6010 Statewide)

Telehealth Adoption Rate
20.4% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
59.0% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Calderon (9 Years) 9 Yrs
Ann Arbor Specialty Average (19.3 Years) 19.3 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2024)
Reporting Year:
HCPCS Code & Description Services Patients Submitted Charge Medicare Allowed
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes
79 72 $322.10 $132.13

Medical Specialties & State Licenses

CMS Verified: 2025-09-05
Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

State License MI 4301502127

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.

Internal Medicine

NUCC Taxonomy Code: 207R00000X

State License IN 01096557A

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.

Hospitalist

NUCC Taxonomy Code: 208M00000X

State License MI 4301502127

Hospitalists are physicians whose primary professional focus is the general medical care of hospitalized patients. Their activities include patient care, teaching, research, and leadership related to Hospital Medicine. The term 'hospitalist' refers to physicians whose practice emphasizes providing care for hospitalized patients.

Hospital & Practice Group Affiliations

Regents Of The University Of Michigan

1500 E Medical Ctr 2nd Floor Rec, Ann Arbor, MI 481090999

Phone: 7349365020

Regents Of The University Of Michigan

1500 E Medical Ctr, Ann Arbor, MI 481090999

Phone: 7349365738

Iu Health Medical Group Llc

1701 N Senate Blvd, Indianapolis, IN 462021239

Phone: 8884843258

Regents Of The University Of Michigan

1500 E Medical Ctr Dr Level B, Ann Arbor, MI 481090999

Phone: 7346478901

Regents Of The University Of Michigan

1500 E Medical Ctr Dr 1st Floor, Ann Arbor, MI 481090999

Regents Of The University Of Michigan

1500 E Medical Ctr Dr 1st Fl, Ann Arbor, MI 481095000

Phone: 7349364185

Regents Of The University Of Michigan

1500 E Medical Ctr Dr, Ann Arbor, MI 481095000

Regents Of The University Of Michigan

1500 E Medical Ctr Dr B2 Floor R, Ann Arbor, MI 481090999

Phone: 7349366274

Regents Of The University Of Michigan

1500 E Medical Ctr Dr 2nd Lr, Ann Arbor, MI 481090999

Phone: 7347635459

Regents Of The University Of Michigan

1500 E Medical Ctr Dr 3rd Fl Taubma, Ann Arbor, MI 481095000

Phone: 7346477321

Regents Of The University Of Michigan

1500 E Medical Ctr Dr 1st Flo, Ann Arbor, MI 481090999

Regents Of The University Of Michigan

1500 E Medical Ctr Dr 1st Fl Rec D, Ann Arbor, MI 481095000

Phone: 7347645175

Regents Of The University Of Michigan

1500 E Medical Ctr Dr 1st Fl Rec F, Ann Arbor, MI 481095000

Phone: 7347645176

Regents Of The University Of Michigan

1500 E Medical Ctr Dr, Ann Arbor, MI 481090999

Secondary Practice Locations

100 E 77th St

New York, NY 100751850

Phone: 2124342000

1701 N Senate Blvd

Indianapolis, IN 462021239

Phone: 3179628776

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

40 Associated Practitioners
Dr. Sameer Saini , MD

Internal Medicine - Gastroenterology

NPI 1003039124

Doctor of Medicine (M.D.)

Dr. Kyle Perry , MD

Pathology - Cytopathology

NPI 1003053901

Doctor of Medicine (M.D.)

Dr. Michael Watson , MD

Pediatrics - Pediatric Infectious Diseases

NPI 1003092040

Doctor of Medicine (M.D.)

Denise Berry , CRNA

Nurse Anesthetist, Certified Registered

NPI 1003128356

Certified Registered Nurse Anesthetist

Dr. Ketti Petersen , MD

Family Medicine - Hospice and Palliative Medicine

NPI 1003128919

Doctor of Medicine (M.D.)

Katherine Mccormack , PA-C

Physician Assistant

NPI 1003167321

Physician Assistant (Certified)

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

14 Historical Events
👤
Provider Name / Credentials Updated September 05, 2025

Recorded as MARCUS CALDERON, MD

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) September 05, 2025

Internal Medicine (License #4301502127 in MI)

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) February 11, 2021

Hospitalist (License #4301502127 in MI)

📍
Updated Practice Location June 15, 2020

Registered at 1500 E MEDICAL CENTER DR, ANN ARBOR, MI 481095000 (Tel: 7349364000)

📍
Updated Business Mailing Address June 15, 2020

Registered at 3621 S STATE ST, ANN ARBOR, MI 481081633

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) June 15, 2020

Internal Medicine (License #4301502127 in MI)

📍
Updated Practice Location June 07, 2018

Registered at 16001 W 9 MILE RD, SOUTHFIELD, MI 48075 (Tel: 2488493000)

📍
Updated Business Mailing Address June 07, 2018

Registered at 41574 BOULDER CREEK DR, CANTON, MI 481883516

NPI Profile Active March 21, 2017

NPI status registered as active in NPPES database

📍
Updated Practice Location March 21, 2017

Registered at 100 E 77TH ST, NEW YORK, NY 100751850 (Tel: 2124342000)

📍
Updated Business Mailing Address March 21, 2017

Registered at 245 E 72ND ST APT 20E, NEW YORK, NY 100214522 (Tel: 9175137674)

👤
Provider Name / Credentials Updated March 21, 2017

Recorded as MARCUS CALDERON, M.D.

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) March 21, 2017

Student in an Organized Health Care Education/Training Program

🟢
Initial NPI Registration & Enumeration March 21, 2017

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1639600885
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: March 21, 2017
Last Update: September 05, 2025
Sole Proprietor: No

Mailing Address

3621 S State St

Ann Arbor, MI 481081633

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).
⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.