CAROLINA BEATRIZ SIERRA LOPEZ MD
NPI 1083111017
Family Medicine in Ypsilanti, MI

Q: What is Carolina Sierra Lopez's NPI number?

The NPI number for Carolina Sierra Lopez is 1083111017. It was assigned to this individual provider in the NPPES registry on April 6, 2018.

Q: What is Carolina Sierra Lopez's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Active since April 06, 2018PECOS EnrolledAccepts Medicare Assignment

200 ARNET ST, YPSILANTI, MI 48198(734) 539-5000 Get Directions Write a Review

NPPES record last updated: July 11, 2023. Verified against the NPPES registry weekly; last sync: October 18, 2026.

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About Carolina Beatriz Sierra Lopez Md NPPES

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

CAROLINA BEATRIZ SIERRA LOPEZ MD (NPI 1083111017) is an individual family medicine provider in Ypsilanti, Michigan, licensed in Michigan (4301509176) and active in the NPI registry since April 2018. She is enrolled in Medicare PECOS, is affiliated with University Of Michigan Health System, and maintains a secondary practice location in Gurabo.

NPPES Registry Identity

NPI1083111017

Entity TypeIndividualFemale

Primary Taxonomy207Q00000X

Provider Legal NameCAROLINA BEATRIZ SIERRA LOPEZCredential: MD

Location Address200 ARNET STYpsilanti, MI 48198-5753

Mailing Address3621 S State StAnn Arbor, MI 48108-1633 · (734) 647-5299

Phone(734) 539-5000

Sole ProprietorNo

Medical School CMSUniversity Central Del Caribe Escuela De MedicinaGraduated 2019

Enumeration DateApril 6, 2018

Last NPPES UpdateJuly 11, 2023

NPPES CertifiedJuly 11, 2023

✔ NPI 1083111017 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207Q00000X

License✔ Licensed in MI · 4301509176

Definition

Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.

200 ARNET ST, Ypsilanti, MI 48198

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Secondary Practice Location 1

Location 1D25 Calle ParaisoGurabo, PR 00778-4044 · Phone (787) 623-5556

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Buckeye Health Plan, Ambetter from Meridian, Ambetter Health and more.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

Carolina Beatriz Sierra Lopez 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 ID6406247139

PECOS Enrollment IDI20230814001233

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 Carolina Sierra Lopez reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Regents Of The University Of Michigan

6.3 mi

Audiologist

4260 PLYMOUTH RD
Ann Arbor, MI 48109

Reassigned Medicare billing, Michigan enrollment
Also billed through NPI 1669402848 (Michigan)
2,377 clinicians in this Medicare group

NPI 1013352046 (734) 647-6591

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.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

86 services69 patients

Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes 99310

A follow-up nursing facility visit is a routine check-up that typically lasts about 35 minutes. During this visit, your health status is evaluated, any changes in your condition are noted, and necessary adjustments to your care plan are made. It's an essential part of maintaining your health.

77 services51 patients

Initial nursing facility care with high level of medical decision making, per day, if using time, 50 minutes or more 99306

An initial nursing facility visit is your first meeting with your healthcare team at a nursing facility. Lasting typically 45 minutes, this appointment involves a comprehensive health assessment and the creation of your personalized care plan. It's a crucial step to ensure your health and well-being.

71 services65 patients

Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 99309

A follow-up nursing facility visit per day is a daily check-in by a healthcare professional. This 25-minute visit typically involves monitoring your health progress, addressing any concerns, and adjusting treatment plans as necessary. It's a vital part of ensuring your ongoing wellbeing.

53 services43 patients

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

40 services35 patients

Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439

An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.

36 services36 patients

Hospital Affiliations CMS Care Compare 2

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

Chelsea Hospital

Acute Care Hospitals · Chelsea, MI

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number230259

Location775 S Main StChelsea, MI 48118 · Washtenaw County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 48198 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

$90.76 typical visit price

range $58.04 – $177.36

Typical copayment $22.69 (range $14.51 – $44.34)

Most-billed visit code 99203

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.

YOLAINE A CIVIL MD

Pediatrics

200 ARNET ST, SUITE 200
YPSILANTI, MI 48198

Washtenaw County (734) 484-7288

RYAN BALACANAO HUERTO MD

Family Medicine

200 ARNET ST
YPSILANTI, MI 48198

Washtenaw County (734) 482-6221

LAURA EMILY ANN LEE M.D.

Family Medicine

200 ARNET ST
YPSILANTI, MI 48198

Washtenaw County (734) 482-6221

SARA ELIZABETH BONNOUGH LMSW

Social Worker (Clinical)

200 ARNET ST
YPSILANTI, MI 48198

Washtenaw County (734) 539-5000

VINCENT D. DINICK, DMD, MD, PC

Surgery (Plastic and Reconstructive Surgery)

200 ARNET ST, STE. 180
YPSILANTI, MI 48198

Washtenaw County (248) 444-5496

DR. JOANNA M. DUQUETTE M.D.

Family Medicine

200 ARNET ST, SUITE 200
YPSILANTI, MI 48198

Washtenaw County (734) 482-6221

RASANDA FINLEY NURSE PRACTITIONERS

Nurse Practitioner (Family)

200 ARNET ST
YPSILANTI, MI 48198

Washtenaw County (313) 384-5925

JEAN HSIEN-CHEN WONG M.D.

Family Medicine

200 ARNET ST
YPSILANTI, MI 48198

Washtenaw County (734) 482-6221

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 Carolina Sierra Lopez's NPI number?

The NPI number for Carolina Sierra Lopez is 1083111017. It was assigned to this individual provider in the NPPES registry on April 6, 2018.

Where is Carolina Sierra Lopez located?

Carolina Sierra Lopez practices at 200 Arnet St, Ypsilanti, MI 48198. The listed phone number is (734) 539-5000.

What is Carolina Sierra Lopez's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Carolina Sierra Lopez enrolled in Medicare?

Yes. Carolina Sierra Lopez 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 Carolina Sierra Lopez's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Carolina Sierra Lopez 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 Carolina Sierra Lopez's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Carolina Sierra Lopez accept?

Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, Blue Care Network of Michigan and Blue Cross Blue Shield of Michigan Mutual Insurance Company and 1 other insurer list Carolina Sierra Lopez 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 Carolina Sierra Lopez affiliated with any hospitals?

According to CMS data, Carolina Sierra Lopez is affiliated with University Of Michigan Health System and Chelsea Hospital.

When was this NPI record last updated?

The NPPES record for Carolina Sierra Lopez was last updated on July 11, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.