STEFAN ANDREW UNTERHALTER M.D.
NPI 1619023249
Internal Medicine - Nephrology in Beverly Hills, CA

Active since January 26, 2007PECOS EnrolledAccepts Medicare Assignment
18.23/100
CMS Quality Rating
9001 WILSHIRE BLVD, SUITE 201, BEVERLY HILLS, CA 90211(310) 274-2722(310) 275-1082 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: July 19, 2026.

About Stefan Andrew Unterhalter M.d. NPPES

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

STEFAN ANDREW UNTERHALTER M.D. (NPI 1619023249) is an individual nephrology provider in Beverly Hills, California, licensed in California (A33152) and active in the NPI registry since January 2007. He is enrolled in Medicare PECOS and is a graduate of Other (1972).

NPPES Registry Identity

NPI1619023249
Entity TypeIndividualMale
Primary Taxonomy207RN0300X
Provider Legal NameSTEFAN ANDREW UNTERHALTERCredential: M.D.
Location Address9001 WILSHIRE BLVD, SUITE 201Beverly Hills, CA 90211-1838
Mailing Address9001 Wilshire Blvd, Suite 201Beverly Hills, CA 90211-1838 · (310) 274-2722 · Fax (310) 275-1082
Fax(310) 275-1082
Sole ProprietorNo
Medical School CMSOtherGraduated 1972
Enumeration DateJanuary 26, 2007
Last NPPES UpdateJuly 8, 2007
NPI 1619023249 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · NephrologyAllopathic & Osteopathic Physicians
Taxonomy Code207RN0300X
License Licensed in CA · A33152
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.

9001 WILSHIRE BLVD, Beverly Hills, CA 90211

Other Identifiers 4

Other110011556Medicare Railroad
Medicare ID-Type UnspecifiedA33152
Medicare UPINA84436
Medicaid00A331520CA

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

Stefan Andrew Unterhalter 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 ID1557556453
PECOS Enrollment IDI20101117000220
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.

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 05D0546595

Stefan A Unterhalter, MD · Beverly Hills, CA
Expired · Oct 12, 2025
CLIA Number05D0546595
Laboratory TypePhysician Office
Certificate Effective DateOctober 13, 2023
Certificate Expiration DateOctober 12, 2025
Laboratory DirectorStefan Unterhalter MD
Laboratory Phone(310) 274-2722
Laboratory LocationStefan A Unterhalter, MD9001 Wilshire Blvd Ste #201, Beverly Hills, CA 90211
CLIA data matches this NPI record on: Address Phone
This certificate is issued to a laboratory to perform only waived tests.

Areas of Expertise CMS Part B claims 11

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, 30-39 minutes 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.
443 services182 patients
Established patient office or other outpatient visit, 40-54 minutes 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.
148 services133 patients
Insertion of needle into vein for collection of blood sample 36415
This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.
131 services98 patients
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 93000
An electrocardiogram (ECG) is a non-invasive test that records your heart's electrical activity. Using 12 leads attached to your body, it captures data to help identify heart conditions. A doctor interprets the results and provides a report.
125 services108 patients
Insertion of needle into vein (3 years or older) 36410
This procedure involves placing a small needle into a vein, typically in the arm. It's done to collect blood for testing or to deliver medication. You may feel a quick pinch, but it's usually over in seconds. It's a common, safe procedure.
113 services72 patients
Follow-up hospital inpatient care per day, typically 35 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
59 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 90211 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
$142.39 typical visit price
range $62.96 – $187.60
Typical copayment $35.59 (range $15.74 – $46.90)
Most-billed visit code 99204
Established Patient
$109.96 typical visit price
range $20.84 – $153.61
Typical copayment $27.49 (range $5.21 – $38.40)
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.

18.23/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Individually scored
Quality0
Improvement Activities0
Cost60.78

Reported Quality Measures

Breast Cancer Screening
Percentage of women 50-74 years of age who had a mammogram to screen for breast cancer
27%176 patients2/55-star benchmark: 92%
Cervical Cancer Screening
Percentage of women 21-64 years of age who were screened for cervical cancer using either of the following criteria: - Women age 21-64 who had cervical cytology performed every 3 years - Women age 30-64 who had cervical cytology/human papillomavirus (HPV)…
11%210 patients
Clinical Information Reconciliation
For at least one transition of care or referral received or patient encounter in which the MIPS eligible clinician has never before encountered the patient, the MIPS eligible clinician performs clinical information reconciliation.
5%1,081 patients1/55-star benchmark: 96%
Colorectal Cancer Screening
Percentage of adults 50-75 years of age who had appropriate screening for colorectal cancer
35%366 patients2/55-star benchmark: 85%
Depression Utilization of the PHQ-9 Tool
The percentage of patients age 18 and older with the diagnosis of major depression or dysthymia who have a completed PHQ-9 during each applicable 4 month period in which there was a qualifying visit
Patients 4MonthsOfEnd: 6% · 34 patients
Patients 4MonthsOfStart: 10% · 29 patients
7%28 patients
Diabetes: Eye Exam
Percentage of patients 18-75 years of age with diabetes who had a retinal or dilated eye exam by an eye care professional during the measurement period or a negative retinal exam (no evidence of retinopathy) in the 12 months prior to the measurement period
10%39 patients1/55-star benchmark: 100%
Diabetes: Medical Attention for Nephropathy
The percentage of patients 18-75 years of age with diabetes who had a nephropathy screening test or evidence of nephropathy during the measurement period
100%39 patients5/55-star benchmark: 99%
Documentation of Current Medications in the Medical Record
Percentage of visits for patients aged 18 years and older for which the eligible professional or eligible clinician attests to documenting a list of current medications using all immediate resources available on the date of the encounter.
58%1,472 patients1/55-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.
99%3,661 patients4/55-star benchmark: 100%
Falls: Screening for Future Fall Risk
Percentage of patients 65 years of age and older who were screened for future fall risk during the measurement period
39%248 patients2/55-star benchmark: 99%
Patient-Specific Education
The MIPS eligible clinician must use clinically relevant information from certified EHR technology to identify patient-specific educational resources and provide electronic access to those materials to at least one unique patient seen by the MIPS eligible…
96%712 patients4/55-star benchmark: 100%
Pneumococcal Vaccination Status for Older Adults
Percentage of patients 65 years of age and older who have ever received a pneumococcal vaccine
16%251 patients1/55-star benchmark: 90%
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…
47%697 patients2/55-star benchmark: 97%
Preventive Care and Screening: Influenza Immunization
Percentage of patients aged 6 months and older seen for a visit between October 1 and March 31 who received an influenza immunization OR who reported previous receipt of an influenza immunization
13%458 patients1/55-star benchmark: 88%
Preventive Care and Screening: Screening for Depression and Follow-Up Plan
Percentage of patients aged 12 years and older screened for depression on the date of the encounter using an age appropriate standardized depression screening tool AND if positive, a follow-up plan is documented on the date of the positive screen
4%641 patients1/55-star benchmark: 96%
Preventive Care and Screening: Tobacco Use: Screening and Cessation Intervention
Percentage of patients aged 18 years and older who were screened for tobacco use one or more times within 24 months AND who received tobacco cessation intervention if identified as a tobacco user
Patients tobacco: 74% · 315 patients
80%315 patients
Provide Patient Access
For at least one unique patient seen by the MIPS eligible clinician: (1) The patient (or the patient authorized representative) is provided timely access to view online, download, and transmit his or her health information; and (2) The MIPS eligible clinician…
58%712 patients3/55-star benchmark: 100%
Request/Accept Summary of Care
For at least one transition of care or referral received or patient encounter in which the MIPS eligible clinician has never before encountered the patient, the MIPS eligible clinician receives or retrieves and incorporates into the patient's record an…
93%1,060 patients3/55-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 certified EHR technology to the patient (or the patient-authorized representative), or in…
11%712 patients1/55-star benchmark: 99%
Use of High-Risk Medications in the Elderly
Percentage of patients 65 years of age and older who were ordered high-risk medications. Two rates are submitted. 1) Percentage of patients who were ordered at least one high-risk medication.
Lower rates are better for this measure.
Patients 2+: 9% · 251 patients
16%251 patients1/55-star benchmark: 100%
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.

Referred Medical Equipment & Supplies CMS DME claims 2

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Enteral formula, nutritionally complete, for special metabolic needs, excludes inherited disease of metabolism, includes altered composition of proteins, fats, carbohydrates, vitamins and/or minerals, may include fiber, administered through an enteral feeding tube, 100 calories = 1 unit B4154
Other-Enteral and Parenteral · category OB006N
3 suppliers11 claims2,343 services$0.58 avg. paid by Medicare
Home ventilator, any type, used with invasive interface, (e.g., tracheostomy tube) E0465
DME-Other DME · category DE005N
1 supplier20 claims23 services$784.09 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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.

Legal Medicine
9001 WILSHIRE BLVD, 302
BEVERLY HILLS, CA 90211
Family Medicine
9001 WILSHIRE BLVD, SUITE 203
BEVERLY HILLS, CA 90211
Clinic/Center (Ambulatory Surgical)
9001 WILSHIRE BLVD, SUITE 106
BEVERLY HILLS, CA 90211
Orthopaedic Surgery (Hand Surgery)
9001 WILSHIRE BLVD, 200
BEVERLY HILLS, CA 90211
Clinic/Center (Ambulatory Surgical)
9001 WILSHIRE BLVD, SUITE 106
BEVERLY HILLS, CA 90211
Specialist
9001 WILSHIRE BLVD, SUITE 203
BEVERLY HILLS, CA 90211
Internal Medicine (Infectious Disease)
9001 WILSHIRE BLVD, SUITE 203
BEVERLY HILLS, CA 90211
Surgery
9001 WILSHIRE BLVD, SUITE 304
BEVERLY HILLS, CA 90211

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 Stefan Unterhalter's NPI number?

The NPI number for Stefan Unterhalter is 1619023249. It was assigned to this individual provider in the NPPES registry on January 26, 2007.

Where is Stefan Unterhalter located?

Stefan Unterhalter practices at 9001 Wilshire Blvd Suite 201, Beverly Hills, CA 90211. The listed phone number is (310) 274-2722.

What is Stefan Unterhalter's specialty?

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

Is Stefan Unterhalter enrolled in Medicare?

Yes. Stefan Unterhalter 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.

When was this NPI record last updated?

The NPPES record for Stefan Unterhalter was last updated on July 8, 2007. NPI Profile syncs with the weekly NPPES data releases published by CMS.