CHRISTOPHER ALAN SMITH MD
NPI 1831353770
Internal Medicine in Ann Arbor, MI

Active since July 10, 2008PECOS EnrolledAccepts Medicare Assignment
1500 E MEDICAL CENTER DR, UNIVERSITY HOSPITAL BLDG 1000312 LEVEL 4, ANN ARBOR, MI 48109(734) 647-9291 Get Directions Write a Review

NPPES record last updated: January 10, 2019. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jan 10, 2019, Mar 12, 2018 (2 updates tracked since 2018).

About Christopher Alan Smith Md NPPES

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

CHRISTOPHER ALAN SMITH MD (NPI 1831353770) is an individual internal medicine provider in Ann Arbor, Michigan, licensed in Michigan (4301092475) and active in the NPI registry since July 2008. He is enrolled in Medicare PECOS, is affiliated with University Of Michigan Health System, and is a graduate of Wayne State University School Of Medicine (2008).

NPPES Registry Identity

NPI1831353770
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameCHRISTOPHER ALAN SMITHCredential: MD
Location Address1500 E MEDICAL CENTER DR, UNIVERSITY HOSPITAL BLDG 1000312 LEVEL 4Ann Arbor, MI 48109-5240
Mailing Address3621 S State StAnn Arbor, MI 48108-1633 · (734) 647-5299
Sole ProprietorNo
Medical School CMSWayne State University School Of MedicineGraduated 2008
Enumeration DateJuly 10, 2008
Last NPPES UpdateJanuary 10, 20192 updates tracked since enumeration
✔ NPI 1831353770 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 · 4301092475
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.
1500 E MEDICAL CENTER DR, Ann Arbor, MI 48109

Accepted Insurance

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Christopher Alan Smith Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID3779720784
PECOS Enrollment IDI20180306000188
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 Christopher Smith reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Nephrology
1500 E MEDICAL CENTER DR
Ann Arbor, MI 48109
  • Reassigned Medicare billing, Michigan enrollment
  • 2,377 clinicians in this Medicare group

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

Areas of Expertise CMS Part B claims 8

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99231
Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.
97 services37 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
73 services40 patients
Hospital discharge day management, 30 minutes or less 99238
Hospital discharge day management of 30 minutes or less includes finalizing your treatment, discussing your progress, and planning after-care at home. It ensures you're ready to leave the hospital and continue recovery safely.
25 services25 patients
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
20 services19 patients
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010
A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.
14 services14 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
12 services12 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

University Of Michigan Health System

Acute Care Hospitals · Ann Arbor, MI
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number230046
Location1500 E Medical Center Drive, Spc 5474Ann Arbor, MI 48109 · Washtenaw County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 48109 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.

Pathology (Forensic Pathology)
1500 E MEDICAL CENTER DR, 2ND FLOOR UNIVERSITY HOSPITAL RECP PATHOLOGY
ANN ARBOR, MI 48109
Internal Medicine (Gastroenterology)
1500 E MEDICAL CENTER DR
ANN ARBOR, MI 48109
Pathology (Cytopathology)
1500 E MEDICAL CENTER DR
ANN ARBOR, MI 48109
Pediatrics
1500 E MEDICAL CENTER DR, 12TH FLOOR C.S. MOTT CHILDREN'S HOSPITAL ROOM 525
ANN ARBOR, MI 48109
Pediatrics (Pediatric Infectious Diseases)
1500 E MEDICAL CENTER DR
ANN ARBOR, MI 48109
Physician Assistant
1500 E MEDICAL CENTER DR
ANN ARBOR, MI 48109
Nurse Anesthetist, Certified Registered
1500 E MEDICAL CENTER DR
ANN ARBOR, MI 48109
Family Medicine (Hospice and Palliative Medicine)
1500 E MEDICAL CENTER DR
ANN ARBOR, MI 48109

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 Christopher Smith's NPI number?

The NPI number for Christopher Smith is 1831353770. It was assigned to this individual provider in the NPPES registry on July 10, 2008.

Where is Christopher Smith located?

Christopher Smith practices at 1500 E Medical Center Dr University Hospital Bldg 1000312 Level 4, Ann Arbor, MI 48109. The listed phone number is (734) 647-9291.

What is Christopher Smith's specialty?

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

Is Christopher Smith enrolled in Medicare?

Yes. Christopher Smith is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Christopher Smith's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Christopher Smith reassigns Medicare benefits to Regents Of The University Of Michigan (Ann Arbor, 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 Christopher Smith's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Christopher Smith accept?

Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian and Priority Health list Christopher Smith 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.

Is Christopher Smith affiliated with any hospitals?

According to CMS data, Christopher Smith is affiliated with University Of Michigan Health System.

When was this NPI record last updated?

The NPPES record for Christopher Smith was last updated on January 10, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 years 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.