MIRIAM LOCKE MD
NPI 1225455157
Urology in South Lake Tahoe, CA

Q: What is Miriam Locke's NPI number?

The NPI number for Miriam Locke is 1225455157. It was assigned to this individual provider in the NPPES registry on March 28, 2014.

Q: What is Miriam Locke's specialty?

The primary specialty registered for this NPI is Urology with taxonomy code 208800000X.

Q: When was this NPI record last updated?

The NPPES record for Miriam Locke was last updated on June 24, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.

Active since March 28, 2014PECOS EnrolledAccepts Medicare Assignment

91.59/100

CMS Quality Rating

2169 SOUTH AVE, SOUTH LAKE TAHOE, CA 96150(530) 543-5400(530) 213-5241 Get Directions Write a Review

NPPES record last updated: June 24, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: May 11, 2023, Jul 31, 2019, Nov 20, 2018 (3 updates tracked since 2018).

On this page

About Miriam Locke Md NPPES

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

MIRIAM LOCKE MD (NPI 1225455157) is an individual urology provider in South Lake Tahoe, California, licensed in California (A162641) and active in the NPI registry since March 2014. She is enrolled in Medicare PECOS, is affiliated with Renown Regional Medical Center, and is a graduate of University Of Louisville School Of Medicine (2014).

NPPES Registry Identity

NPI1225455157

Entity TypeIndividualFemale

Primary Taxonomy208800000X

Provider Legal NameMIRIAM LOCKECredential: MD

Location Address2169 SOUTH AVESouth Lake Tahoe, CA 96150-7059

Mailing Address2170 South AveSouth Lake Tahoe, CA 96150-7008 · (530) 543-5400

Phone(530) 543-5400

Fax(530) 213-5241

Sole ProprietorNo

Medical School CMSUniversity Of Louisville School Of MedicineGraduated 2014

Enumeration DateMarch 28, 2014

Last NPPES UpdateJune 24, 20263 updates tracked since enumeration

NPPES CertifiedJune 24, 2026

✔ NPI 1225455157 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyUrologyAllopathic & Osteopathic Physicians

Taxonomy Code208800000X

License✔ Licensed in CA · A162641

Definition

A urologist manages benign and malignant medical and surgical disorders of the genitourinary system and the adrenal gland. This specialist has comprehensive knowledge of and skills in endoscopic, percutaneous and open surgery of congenital and acquired conditions of the urinary and reproductive systems and their contiguous structures.

2169 SOUTH AVE, South Lake Tahoe, CA 96150

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arizona Complete Health, Ambetter 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

Miriam Locke 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 ID1951645134

PECOS Enrollment IDI20230317002464

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

Medicare enrollment records show Miriam Locke reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Barton Medical Foundation

0.1 mi

Family Medicine

2170 SOUTH AVE
South Lake Tahoe, CA 96150

Reassigned Medicare billing, California enrollment
148 clinicians in this Medicare group

NPI 1750950499 (530) 541-3420

Northbay Healthcare Group

113 mi

General Acute Care Hospital

1000 NUT TREE RD
Vacaville, CA 95687

Reassigned Medicare billing, California enrollment
Medicare enrollment name: Northbay Physicians Surgery Center, LLC
516 clinicians in this Medicare group

NPI 1255483202 (707) 646-3401

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 24

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.

396 services247 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.

237 services173 patients

Ultrasound measurement of bladder capacity after voiding 51798

Ultrasound measurement of bladder capacity after voiding is a non-invasive test that uses sound waves to create images of your bladder. It's done after you've emptied your bladder to see if there's any leftover urine, which can help diagnose certain conditions.

231 services166 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

145 services145 patients

Automated urinalysis test 81003

An automated urinalysis test is a routine examination that checks your urine for various substances. It can help identify potential health issues such as kidney problems or diabetes. The test uses a machine to analyze a small urine sample, providing quick and accurate results.

105 services89 patients

Leuprolide acetate (for depot suspension), 7.5 mg J9217

Leuprolide acetate is a medication that helps regulate certain hormone levels in your body. It's injected into your muscle once a month. This treatment can help manage various health conditions related to hormone imbalance. Always follow your doctor's instructions.

77 services11 patients

Diagnostic exam of bladder and urethra using an endoscope 52000

This procedure involves using a thin, flexible tube with a light, called an endoscope, to examine the bladder and urethra. It helps in identifying any abnormalities or issues that may be causing discomfort or other symptoms.

70 services60 patients

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 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.

63 services49 patients

Injection, ceftriaxone sodium, per 250 mg J0696

Ceftriaxone sodium is an antibiotic injection used to treat a variety of bacterial infections. Each injection contains 250 mg of the medicine. It works by stopping the growth of bacteria in your body.

62 services25 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.

57 services57 patients

Ultrasound scan of pelvic region through rectum 76872

An ultrasound scan of the pelvic region through the rectum is a medical procedure where a small, smooth device is gently inserted into the rectum. This device uses sound waves to create images of the internal structures in the lower abdomen, aiding in diagnosis and treatment planning.

50 services49 patients

Simple bladder irrigation and/or instillation 51700

Bladder irrigation and/or instillation is a process where a sterile solution is introduced into the bladder to cleanse it or deliver medication. This procedure helps manage certain bladder conditions, ensuring optimal bladder health.

47 services31 patients

Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212

This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.

47 services44 patients

Intermittent urinary catheter, with insertion supplies A4353

An intermittent urinary catheter is a medical device used to drain urine from the body when one cannot do so naturally. It's inserted at intervals, not left in place. Supplies for insertion include the catheter, gloves, cleansing wipes, and a collection bag.

40 services19 patients

Injection of drug or substance under skin or into muscle 96372

This procedure involves administering medication directly under the skin or into a muscle. A small needle is used to inject the drug, allowing it to be absorbed quickly into the bloodstream. It's a common method for delivering a variety of medications.

37 services36 patients

Biopsy of prostate gland 55700

A biopsy of the prostate gland is a procedure where a small sample of tissue is taken from your body's internal gland, located near the bladder, for testing. This helps in diagnosing potential health issues. It's usually done with a fine needle and imaging technology for accuracy.

32 services31 patients

Ultrasonic guidance for needle placement 76942

Ultrasonic guidance for needle placement is a technique where sound waves create images that help accurately position the needle during procedures. This method ensures precision, minimizes discomfort, and increases safety.

32 services31 patients

Simple insertion of temporary bladder tube 51702

This procedure involves placing a temporary tube into your bladder to help with urine flow. It's done when the body can't naturally remove urine. The tube is inserted through a small opening and allows urine to drain into a bag. It's usually a short-term solution.

24 services12 patients

Simple timed assessment of bladder emptying 51736

This procedure measures how well your body disposes of liquid waste. A special device records the speed and amount of liquid released. It helps identify any issues in the waste disposal process. It's simple, quick, and painless.

20 services17 patients

Administration of hormonal anti-neoplastic chemotherapy under skin or into muscle 96402

This procedure involves the injection of hormone-based anti-cancer drugs under the skin or into a muscle. These medications help to slow down or stop the growth of certain types of cancer cells. The process is usually quick and can be performed in a clinic or hospital.

19 services12 patients

Removal of prostate gland using an electrocautery knife through urethra with control of bleeding using an endoscope 52601

This procedure involves the careful removal of a small gland located in the lower body using a special heated knife, inserted through a natural body passage. An endoscope, a thin tube with a light and camera, helps to manage any bleeding. The aim is to alleviate discomfort and improve overall health.

16 services16 patients

Urinalysis, manual test 81002

A urinalysis is a simple, non-invasive test that checks the urine for various elements such as sugar, protein, and signs of infection. It can help detect many common conditions, including kidney disease and diabetes. The manual test involves a lab technician examining a urine sample.

15 services15 patients

Destruction and/or removal of growth of bladder and urethra using an endoscope, 2.0-5.0 cm 52235

This procedure involves using a thin, flexible tool called an endoscope to examine and remove a growth in your bladder and urethra. The growth size ranges from 2.0-5.0 cm. This is done to ensure your urinary system functions properly.

13 services11 patients

New patient office or other outpatient visit with straightforward medical decision making, if using time, 15 minutes or more 99202

This service involves an initial visit to the doctor's office or other outpatient setting. It typically lasts between 15-29 minutes. The doctor will review your medical history, conduct a physical examination, and discuss your health concerns. It's a chance to establish your health baseline and address any immediate medical issues.

12 services12 patients

Hospital Affiliations CMS Care Compare 3

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

Renown Regional Medical Center

Acute Care Hospitals · Reno, NV

2/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number290001

Location1155 Mill StreetReno, NV 89502 · Washoe County

Emergency services Birthing friendly

Carson Tahoe Regional Medical Center

Acute Care Hospitals · Carson City, NV

2/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number290019

Location1600 Medical ParkwayCarson City, NV 89703 · Carson City County

Emergency services Birthing friendly

Carson Valley Health

Critical Access Hospitals · Gardnerville, NV

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number291306

Location1107 Highway 395Gardnerville, NV 89410 · Douglas County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 96150 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

$137.20 typical visit price

range $60.44 – $180.85

Typical copayment $34.30 (range $15.11 – $45.21)

Most-billed visit code 99204

Established Patient

$75.03 typical visit price

range $19.88 – $148.15

Typical copayment $18.75 (range $4.97 – $37.03)

Most-billed visit code 99213

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.

91.59/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored through an Alternative Payment Model

Quality

85.05

Promoting Interoperability

96.88

Improvement Activities

Referred Medical Equipment & Supplies CMS DME claims

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

Intermittent urinary catheter; coude (curved) tip, with or without coating (teflon, silicone, silicone elastomeric, or hydrophilic, etc.), each A4352

DME-Orthotic Devices · category DF008N

1 supplier11 claims1,200 services$6.13 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 4

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. BRADLEY W ANDERSON MD

Urology

2169 SOUTH AVE
SOUTH LAKE TAHOE, CA 96150

El Dorado County (530) 543-5400

ROGER ROGALSKI MD CHTD

Orthopaedic Surgery

2169 SOUTH AVE
SOUTH LAKE TAHOE, CA 96150

El Dorado County (530) 544-1513

DANIELLE MARIE KNOWLTON MA, FAAA

Audiologist

2169 SOUTH AVE
SOUTH LAKE TAHOE, CA 96150

El Dorado County (530) 543-5815

BRIAN L STEIXNER MD

Urology

2169 SOUTH AVE
SOUTH LAKE TAHOE, CA 96150

El Dorado County (530) 543-5400

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 Miriam Locke's NPI number?

The NPI number for Miriam Locke is 1225455157. It was assigned to this individual provider in the NPPES registry on March 28, 2014.

Where is Miriam Locke located?

Miriam Locke practices at 2169 South Ave, South Lake Tahoe, CA 96150. The listed phone number is (530) 543-5400.

What is Miriam Locke's specialty?

The primary specialty registered for this NPI is Urology with taxonomy code 208800000X.

Is Miriam Locke enrolled in Medicare?

Yes. Miriam Locke 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 Miriam Locke's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Miriam Locke reassigns Medicare benefits to 2 organizations: Barton Medical Foundation (South Lake Tahoe, CA) and Northbay Healthcare Group (Vacaville, CA). 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 Miriam Locke's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Miriam Locke accept?

Health plans from Ambetter Health and Ambetter from Arizona Complete Health list Miriam Locke 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 Miriam Locke affiliated with any hospitals?

According to CMS data, Miriam Locke is affiliated with Renown Regional Medical Center, Carson Tahoe Regional Medical Center and Carson Valley Health.

When was this NPI record last updated?

The NPPES record for Miriam Locke was last updated on June 24, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.