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GUILLERMO E UMPIERREZ M.D.
NPI 1174626063
Internal Medicine - Endocrinology, Diabetes & Metabolism in Atlanta, GA

Active since September 06, 2006PECOS EnrolledAccepts Medicare Assignment
94.56/100
CMS Quality Rating
96 ARMSTRONG ST SE, GRADY HEALTH SYSTEM - ENDOCRINOLOGY, ATLANTA, GA 30303(404) 616-3730 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Guillermo E Umpierrez M.d. NPPES

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

GUILLERMO E UMPIERREZ M.D. (NPI 1174626063) is an individual endocrinology, diabetes & metabolism provider in Atlanta, Georgia, licensed in Georgia (25914) and active in the NPI registry since September 2006. He is enrolled in Medicare PECOS, is affiliated with Grady Memorial Hospital, and is a graduate of Other (1979).

NPPES Registry Identity

NPI1174626063
Entity TypeIndividualMale
Primary Taxonomy207RE0101X
Provider Legal NameGUILLERMO E UMPIERREZCredential: M.D.
Location Address96 ARMSTRONG ST SE, GRADY HEALTH SYSTEM - ENDOCRINOLOGYAtlanta, GA 30303
Mailing Address96 Armstrong St Se, Grady Health System - EndocrinologyAtlanta, GA 30303 · (404) 616-3730
Phone(404) 616-3730
Sole ProprietorNo
Medical School CMSOtherGraduated 1979
Enumeration DateSeptember 6, 2006
Last NPPES UpdateJuly 8, 2007
✔ NPI 1174626063 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Endocrinology, Diabetes & MetabolismAllopathic & Osteopathic Physicians
Taxonomy Code207RE0101X
License✔ Licensed in GA · 25914
Definition
An internist who concentrates on disorders of the internal (endocrine) glands such as the thyroid and adrenal glands. This specialist also deals with disorders such as diabetes, metabolic and nutritional disorders, obesity, pituitary diseases and menstrual and sexual problems.
96 ARMSTRONG ST SE, Atlanta, GA 30303
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Other Identifiers 1

Medicare UPINF47093GA

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Absolute Total Care, Ambetter Health, Ambetter of Alabama and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Guillermo E Umpierrez 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 ID8426173956
PECOS Enrollment IDI20100921000338
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.

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.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
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.

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 30303 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
$130.64 typical visit price
range $56.84 – $172.43
Typical copayment $32.66 (range $14.21 – $43.10)
Most-billed visit code 99204
Established Patient
$100.20 typical visit price
range $18.22 – $140.40
Typical copayment $25.05 (range $4.55 – $35.10)
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

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 Guillermo Umpierrez's NPI number?

The NPI number for Guillermo Umpierrez is 1174626063. It was assigned to this individual provider in the NPPES registry on September 6, 2006.

Where is Guillermo Umpierrez located?

Guillermo Umpierrez practices at 96 Armstrong St SE Grady Health System - Endocrinology, Atlanta, GA 30303. The listed phone number is (404) 616-3730.

What is Guillermo Umpierrez's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Endocrinology, Diabetes & Metabolism, with taxonomy code 207RE0101X.

Is Guillermo Umpierrez enrolled in Medicare?

Yes. Guillermo Umpierrez 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.

What insurance does Guillermo Umpierrez accept?

Health plans from Ambetter Health, Ambetter from Absolute Total Care, Ambetter of Alabama, Ambetter of North Carolina and Ambetter of Tennessee list Guillermo Umpierrez 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 Guillermo Umpierrez affiliated with any hospitals?

According to CMS data, Guillermo Umpierrez is affiliated with Grady Memorial Hospital.

When was this NPI record last updated?

The NPPES record for Guillermo Umpierrez was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.