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GLORIA U.Y. SONG M.D.
NPI 1275581928
Internal Medicine - Nephrology in Madison, WI

Active since May 05, 2006PECOS EnrolledAccepts Medicare Assignment
100/100
CMS Quality Rating
2840 INDEX ROAD, MADISON AREA RENAL SPECIALISTS, MADISON, WI 53713(608) 229-7221(608) 229-7395 Get Directions Write a Review

NPPES record last updated: May 8, 2023. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Gloria U.y. Song M.d. NPPES

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

GLORIA U.Y. SONG M.D. (NPI 1275581928) is an individual nephrology provider in Madison, Wisconsin, licensed in Wisconsin (47567) and active in the NPI registry since May 2006. She is enrolled in Medicare PECOS, is affiliated with Ssm Health St Clare Hospital - Baraboo, and is a graduate of Other (1998).

NPPES Registry Identity

NPI1275581928
Entity TypeIndividualFemale
Primary Taxonomy207RN0300X
Provider Legal NameGLORIA U.Y. SONGCredential: M.D.
Location Address2840 INDEX ROAD, MADISON AREA RENAL SPECIALISTSMadison, WI 53713
Mailing Address2840 Index Road, Madison Area Renal SpecialistsMadison, WI 53713 · (608) 229-7221 · Fax (608) 229-7395
Phone(608) 229-7221
Fax(608) 229-7395
Sole ProprietorYes
Medical School CMSOtherGraduated 1998
Enumeration DateMay 5, 2006
Last NPPES UpdateMay 8, 2023
NPPES CertifiedMay 8, 2023
✔ NPI 1275581928 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · NephrologyAllopathic & Osteopathic Physicians
Taxonomy Code207RN0300X
License✔ Licensed in WI · 47567
Definition
An internist who treats disorders of the kidney, high blood pressure, fluid and mineral balance and dialysis of body wastes when the kidneys do not function. This specialist consults with surgeons about kidney transplantation.
Also ListedInternal MedicineTaxonomy 207R00000X · License 47567 (WI)
2840 INDEX ROAD, Madison, WI 53713
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, Dean Health Plan, Group Health Cooperative-SCW 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

Gloria U.y. Song 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 ID5294880621
PECOS Enrollment IDI20090908000420
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 Gloria Song reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Madison Area Renal Specialists, Sc
Same address
Nephrology
2840 INDEX RD
Fitchburg, WI 53713
  • Reassigned Medicare billing, Wisconsin enrollment
  • 6 clinicians in this Medicare group
NPI 1104834894 (608) 229-7221

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 12

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.
357 services119 patients
Hemodialysis procedure with physician evaluation 90935
Hemodialysis is a treatment that uses a machine to filter waste and excess fluid from your blood when your kidneys can't. A physician checks your health before, during, and after the procedure to ensure it's working effectively for you.
273 services95 patients
Dialysis services, 4 or more physician visits per month (20 years or older) 90960
Dialysis is a treatment that filters and purifies your blood using a machine. It helps keep your fluids and electrolytes in balance when the kidneys can't do their job. This service includes 4 or more visits per month with a physician to monitor your health and adjust your treatment as needed.
232 services98 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.
148 services93 patients
Dialysis services, 2-3 physician visits per month (20 years or older) 90961
Dialysis is a treatment that performs the function of healthy kidneys if they're not working properly. It removes waste and excess fluid from your blood. 2-3 physician visits per month are recommended for monitoring your health and adjusting your treatment as needed. This service is available for those aged 20 years and older.
133 services73 patients
Dialysis services, 4 or more physician visits per month (20 years or older) 90960
Dialysis is a treatment that filters and purifies your blood using a machine. It helps keep your fluids and electrolytes in balance when the kidneys can't do their job. This service includes 4 or more visits per month with a physician to monitor your health and adjust your treatment as needed.
79 services34 patients

Hospital Affiliations CMS Care Compare 5

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

Ssm Health St Clare Hospital - Baraboo

Acute Care Hospitals · Baraboo, WI
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number520057
Location707 14th StBaraboo, WI 53913 · Sauk County
Emergency services Birthing friendly

Ssm Health St Mary's Hospital - Madison

Acute Care Hospitals · Madison, WI
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number520083
Location700 South Park StMadison, WI 53715 · Dane County
Emergency services Birthing friendly

Unitypoint Health - Meriter

Acute Care Hospitals · Madison, WI
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number520089
Location202 S Park StMadison, WI 53715 · Dane County
Emergency services Birthing friendly

University Of Wi Hospitals & Clinics Authority

Acute Care Hospitals · Madison, WI
4/5 CMS rating
OwnershipGovernment - Hospital District or Authority
CMS Certification Number520098
Location600 Highland AvenueMadison, WI 53792 · Dane County
Emergency services

Ssm Health St Mary's Hospital - Janesville

Acute Care Hospitals · Janesville, WI
4/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number520208
Location3400 East Racine StreetJanesville, WI 53546 · Rock County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 53713 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.

100/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality96.47
Promoting Interoperability100
Improvement Activities40
Cost82.55

Reported Quality Measures

Care Plan
Percentage of patients aged 65 years and older who have an advance care plan or surrogate decision maker documented in the medical record that an advance care plan was discussed but the patient did not wish or was not able to name a surrogate decision maker…
41%197 patients2/55-star benchmark: 100%
e-Prescribing
At least one permissible prescription written by the MIPS eligible clinician is queried for a drug formulary and transmitted electronically using certified EHR technology.
100%139 patients5/55-star benchmark: 100%
Medication Reconciliation
The MIPS eligible clinician performs medication reconciliation for at least one transition of care in which the patient is transitioned into the care of the MIPS eligible clinician.
99%140 patients4/55-star benchmark: 100%
Patient-Specific Education
The MIPS eligible clinician must use clinically relevant information from CEHRT to identify patient-specific educational resources and provide access to those materials to at least one unique patient seen by the MIPS eligible clinician.
99%132 patients5/55-star benchmark: 99%
Pneumococcal Vaccination Status for Older Adults
Percentage of patients 65 years of age and older who have ever received a pneumococcal vaccine
57%74 patients3/55-star benchmark: 100%
Preventive Care and Screening: Body Mass Index (BMI) Screening and Follow-Up Plan
Percentage of patients aged 18 years and older with a BMI documented during the current encounter or during the previous twelve months AND with a BMI outside of normal parameters, a follow-up plan is documented during the encounter or during the previous…
92%118 patients4/55-star benchmark: 100%
Provide Patient Access
At least one patient seen by the MIPS eligible clinician during the performance period is provided timely access to view online, download, and transmit to a third party their health information subject to the MIPS eligible clinician's discretion to withhold…
99%132 patients4/55-star benchmark: 100%
Secure Messaging
For at least one unique patient seen by the MIPS eligible clinician during the performance period, a secure message was sent using the electronic messaging function of CEHRT to the patient (or the patient-authorized representative), or in response to a secure…
63%132 patients5/55-star benchmark: 59%
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

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 Gloria Song's NPI number?

The NPI number for Gloria Song is 1275581928. It was assigned to this individual provider in the NPPES registry on May 5, 2006.

Where is Gloria Song located?

Gloria Song practices at 2840 Index Road Madison Area Renal Specialists, Madison, WI 53713. The listed phone number is (608) 229-7221.

What is Gloria Song's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.

Is Gloria Song enrolled in Medicare?

Yes. Gloria Song 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 Gloria Song's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Gloria Song reassigns Medicare benefits to Madison Area Renal Specialists, Sc (Fitchburg, WI). 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 Gloria Song's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Gloria Song accept?

Health plans from Anthem Blue Cross and Blue Shield, Dean Health Plan, Group Health Cooperative-SCW and Quartz list Gloria Song 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 Gloria Song affiliated with any hospitals?

According to CMS data, Gloria Song is affiliated with Ssm Health St Clare Hospital - Baraboo, Ssm Health St Mary's Hospital - Madison, Unitypoint Health - Meriter, University Of Wi Hospitals & Clinics Authority and Ssm Health St Mary's Hospital - Janesville.

When was this NPI record last updated?

The NPPES record for Gloria Song was last updated on May 8, 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.