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ADRIAN PAOLO UMPIERREZ DE REGUERO MD
NPI 1083920128
Hospitalist in Appleton, WI

Active since August 26, 2010PECOS EnrolledAccepts Medicare Assignment
94.56/100
CMS Quality Rating
1818 N MEADE ST, APPLETON, WI 54911(920) 735-7645(920) 735-7618 Get Directions Write a Review

NPPES record last updated: August 17, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Aug 17, 2026, Oct 11, 2023 (2 updates tracked since 2023).

About Adrian Paolo Umpierrez De Reguero Md NPPES

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

ADRIAN PAOLO UMPIERREZ DE REGUERO MD (NPI 1083920128) is an individual hospitalist provider in Appleton, Wisconsin, licensed in Wisconsin (60520) and active in the NPI registry since August 2010. He is enrolled in Medicare PECOS, is affiliated with Grady Memorial Hospital, and maintains a secondary practice location in Atlanta.

NPPES Registry Identity

NPI1083920128
Entity TypeIndividualMale
Primary Taxonomy208M00000X
Provider Legal NameADRIAN PAOLO UMPIERREZ DE REGUEROCredential: MD
Location Address1818 N MEADE STAppleton, WI 54911-3454
Mailing Address3 Neenah CtrNeenah, WI 54956-3070 · (920) 830-5900
Phone(920) 735-7645
Fax(920) 735-7618
Sole ProprietorNo
Medical School CMSOtherGraduated 2008
Enumeration DateAugust 26, 2010
Last NPPES UpdateAugust 17, 20262 updates tracked since enumeration
NPPES CertifiedAugust 17, 2026
✔ NPI 1083920128 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyHospitalistAllopathic & Osteopathic Physicians
Taxonomy Code208M00000X
License✔ Licensed in WI · 60520
Definition
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.
Also ListedInternal MedicineTaxonomy 207R00000X · License 60520 (WI), 96422 (GA)
1818 N MEADE ST, Appleton, WI 54911
Open in Google Maps ↗

Secondary Practice Location 1

Location 180 Jesse Hill Jr Dr SEAtlanta, GA 30303-3031 · Phone (404) 616-4307

Other Identifiers 2

Medicaid1083920128WI
Medicaid96422GA

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter Health, CareSource (Common Ground Healthcare), Oscar Health.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

Adrian Paolo Umpierrez De Reguero 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 ID941441398
PECOS Enrollment IDI20231017002323
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 Reassignments

3

Medicare enrollment records show Adrian Umpierrez De Reguero reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Thedacare, Incorporated
3.8 mi
Counselor
1095 MIDWAY RD
Menasha, WI 54952
  • Reassigned Medicare billing, Wisconsin enrollment
  • 988 clinicians in this Medicare group
NPI 1306959515 (920) 720-2300
The Medical College Of Wisconsin, Inc.
87 mi
Internal Medicine
8701 WATERTOWN PLANK RD
Milwaukee, WI 53226
  • Reassigned Medicare billing, Wisconsin enrollment
  • 3,983 clinicians in this Medicare group
NPI 1699720086 (414) 955-7101
Emory Medical Care Foundation Inc
757 mi
Internal Medicine
80 JESSE HILL JR DRIVE, EMCF
Atlanta, GA 30303
  • Reassigned Medicare billing, Georgia enrollment
  • 2,681 clinicians in this Medicare group
NPI 1063452381 (404) 778-7717

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.

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.
72 services30 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.
15 services14 patients

Hospital Affiliations CMS Care Compare

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

Grady Memorial Hospital

Acute Care Hospitals · Atlanta, GA
1/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number110079
Location80 Jesse Hill, Jr Drive SEAtlanta, GA 30303 · Fulton County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 54911 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
$123.69 typical visit price
range $53.90 – $163.24
Typical copayment $30.92 (range $13.47 – $40.81)
Most-billed visit code 99204
Established Patient
$95.41 typical visit price
range $17.40 – $133.76
Typical copayment $23.85 (range $4.35 – $33.44)
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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

94.56/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality78.49
Promoting Interoperability100
Improvement Activities40
Cost75.54

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.

MRS. THERESA ANN HAGMAN PTA
Physical Therapy Assistant
1818 N MEADE ST
APPLETON, WI 54911
Outagamie County (920) 731-4101
HANNA ROSE SIPPEL PA
Physician Assistant
1818 N MEADE ST
APPLETON, WI 54911
Outagamie County (920) 731-4101
ANN M HEFTER AGACNP-BC, MSN, BSN
Nurse Practitioner
1818 N MEADE ST
APPLETON, WI 54911
Outagamie County (920) 731-8900
DESSIA J LAXTON APNP
Nurse Practitioner
1818 N MEADE ST
APPLETON, WI 54911
Outagamie County (920) 731-8900
MISS AMBER LYNN NEVALA CST
Specialist/Technologist, Other (Surgical Assistant)
1818 N MEADE ST
APPLETON, WI 54911
Outagamie County (906) 280-5495
DAVID MICHAEL DENELL MPT LAT/C
Physical Therapist
1818 N MEADE ST
APPLETON, WI 54911
Outagamie County (920) 731-4101
PHILIP ANTHONY VOGT MD
Surgery
1818 N MEADE ST, STE 240- WEST
APPLETON, WI 54911
Outagamie County (920) 731-8289
SYED TAIMUR ALI M.D.
Hospitalist
1818 N MEADE ST
APPLETON, WI 54911
Outagamie County (920) 731-4101

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 Adrian Umpierrez De Reguero's NPI number?

The NPI number for Adrian Umpierrez De Reguero is 1083920128. It was assigned to this individual provider in the NPPES registry on August 26, 2010.

Where is Adrian Umpierrez De Reguero located?

Adrian Umpierrez De Reguero practices at 1818 N Meade St, Appleton, WI 54911. The listed phone number is (920) 735-7645.

What is Adrian Umpierrez De Reguero's specialty?

The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.

Is Adrian Umpierrez De Reguero enrolled in Medicare?

Yes. Adrian Umpierrez De Reguero 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 organizations bill Medicare for Adrian Umpierrez De Reguero's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Adrian Umpierrez De Reguero reassigns Medicare benefits to 3 organizations: Thedacare, Incorporated (Menasha, WI), The Medical College Of Wisconsin, Inc. (Milwaukee, WI) and Emory Medical Care Foundation Inc (Atlanta, GA). Each 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 Adrian Umpierrez De Reguero's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Adrian Umpierrez De Reguero accept?

Health plans from Ambetter Health, CareSource (Common Ground Healthcare) and Oscar Health list Adrian Umpierrez De Reguero 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 Adrian Umpierrez De Reguero affiliated with any hospitals?

According to CMS data, Adrian Umpierrez De Reguero is affiliated with Grady Memorial Hospital.

When was this NPI record last updated?

The NPPES record for Adrian Umpierrez De Reguero was last updated on August 17, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 months 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.