1. Home
  2. Directory
  3. Minnesota
  4. Rochester
  5. Allergy Immunology
  6. NPI Profile

DR. SERGIO ELIAS CHIARELLA M.D.
NPI 1295020550
Allergy & Immunology in Rochester, MN

Active since June 15, 2011PECOS EnrolledAccepts Medicare Assignment
200 1ST ST SW, ROCHESTER, MN 55905(507) 284-2511 Get Directions Write a Review

NPPES record last updated: August 12, 2020. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Aug 12, 2020, Aug 16, 2019, May 15, 2019 and 1 more (4 updates tracked since 2016).

About Dr. Sergio Elias Chiarella M.d. NPPES

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

DR. SERGIO ELIAS CHIARELLA M.D. (NPI 1295020550) is an individual allergy & immunology provider in Rochester, Minnesota, licensed in Minnesota (66215) and active in the NPI registry since June 2011. He is enrolled in Medicare PECOS, is affiliated with Mayo Clinic Hospital Rochester, and maintains a secondary practice location in Chicago.

NPPES Registry Identity

NPI1295020550
Entity TypeIndividualMale
Primary Taxonomy207K00000X
Provider Legal NameDR. SERGIO ELIAS CHIARELLACredential: M.D.
Location Address200 1ST ST SWRochester, MN 55905-2908
Mailing Address200 1st St SwRochester, MN 55905-0001 · (507) 284-2511
Phone(507) 284-2511
Sole ProprietorNo
Medical School CMSOtherGraduated 2006
Enumeration DateJune 15, 2011
Last NPPES UpdateAugust 12, 20204 updates tracked since enumeration
NPPES CertifiedAugust 12, 2020
✔ NPI 1295020550 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyAllergy & ImmunologyAllopathic & Osteopathic Physicians
Taxonomy Code207K00000X
License✔ Licensed in MN · 66215
Definition
An allergist-immunologist is trained in evaluation, physical and laboratory diagnosis, and management of disorders involving the immune system. Selected examples of such conditions include asthma, anaphylaxis, rhinitis, eczema, and adverse reactions to drugs, foods, and insect stings as well as immune deficiency diseases (both acquired and congenital), defects in host defense, and problems related to autoimmune disease, organ transplantation, or malignancies of the immune system.
Also ListedInternal Medicine · Allergy & ImmunologyTaxonomy 207RA0201X · License 036134739 (IL)
200 1ST ST SW, Rochester, MN 55905
Open in Google Maps ↗

Secondary Practice Location 1

Location 1251 E Huron St, Galter 3-150Chicago, IL 60611-2908 · Phone (312) 926-2253 · Fax (312) 695-2857

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

Dr. Sergio Elias Chiarella M.d. 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 ID4385948397
PECOS Enrollment IDI20190823000485
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 Sergio Chiarella reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Mayo Clinic
Same address
Infectious Disease
200 1ST ST SW
Rochester, MN 55905
  • Reassigned Medicare billing, Minnesota enrollment
  • 6,534 clinicians in this Medicare group
NPI 1114343860 (507) 284-2511

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 2

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.

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.
25 services25 patients
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.
16 services11 patients

Hospital Affiliations CMS Care Compare

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

Mayo Clinic Hospital Rochester

Acute Care Hospitals · Rochester, MN
5/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number240010
Location1216 Second Street SouthwestRochester, MN 55902 · Olmsted County
Emergency services Birthing friendly

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.

EMILY LEASURE MD
Internal Medicine
200 1ST ST SW
ROCHESTER, MN 55905
Olmsted County (507) 284-2511
NATHANAEL BAILEY
Pathology (Clinical Pathology/Laboratory Medicine)
200 1ST ST SW
ROCHESTER, MN 55905
Olmsted County (507) 284-2511
NICOLE S NIPPER NP
Nurse Practitioner
200 1ST ST SW
ROCHESTER, MN 55905
Olmsted County (507) 284-2511
BRANDI D'SOUZA NP
Nurse Practitioner
200 1ST ST SW
ROCHESTER, MN 55905
Olmsted County (507) 284-2511
DR. JODI M. MOORE-WEISS OD
Optometrist
200 1ST ST SW
ROCHESTER, MN 55905
Olmsted County (507) 284-2511
JENNIFER L KERKVLIET MA
Psychologist
200 1ST ST SW
ROCHESTER, MN 55905
Olmsted County (507) 284-2511
EMMANUEL J LUJERO CRNA
Nurse Anesthetist, Certified Registered
200 1ST ST SW
ROCHESTER, MN 55905
Olmsted County (507) 284-2511
JUAN PABLO BRITO CAMPANA M.D
Internal Medicine (Endocrinology, Diabetes & Metabolism)
200 1ST ST SW
ROCHESTER, MN 55905
Olmsted County (507) 284-2511

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 Sergio Chiarella's NPI number?

The NPI number for Sergio Chiarella is 1295020550. It was assigned to this individual provider in the NPPES registry on June 15, 2011.

Where is Sergio Chiarella located?

Sergio Chiarella practices at 200 1st St SW, Rochester, MN 55905. The listed phone number is (507) 284-2511.

What is Sergio Chiarella's specialty?

The primary specialty registered for this NPI is Allergy & Immunology with taxonomy code 207K00000X.

Is Sergio Chiarella enrolled in Medicare?

Yes. Sergio Chiarella 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 Sergio Chiarella's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Sergio Chiarella reassigns Medicare benefits to Mayo Clinic (Rochester, MN). 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 Sergio Chiarella's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Sergio Chiarella affiliated with any hospitals?

According to CMS data, Sergio Chiarella is affiliated with Mayo Clinic Hospital Rochester.

When was this NPI record last updated?

The NPPES record for Sergio Chiarella was last updated on August 12, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.