DR. KATHERINE J LUDINGTON M.D.
NPI 1164420469
Internal Medicine - Cardiovascular Disease in Encinitas, CA

Q: What is Katherine Ludington's NPI number?

The NPI number for Katherine Ludington is 1164420469. It was assigned to this individual provider in the NPPES registry on July 11, 2005.

Q: What is Katherine Ludington's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.

Active since July 11, 2005PECOS EnrolledAccepts Medicare Assignment

77.65/100

CMS Quality Rating

4401 MANCHESTER AVE, SUITE 103, ENCINITAS, CA 92024(760) 753-0220 Get Directions Write a Review

NPPES record last updated: February 22, 2008. Verified against the NPPES registry weekly; last sync: August 02, 2026.

On this page

About Dr. Katherine J Ludington M.d. NPPES

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

DR. KATHERINE J LUDINGTON M.D. (NPI 1164420469) is an individual cardiovascular disease provider in Encinitas, California, licensed in California (A66026) and active in the NPI registry since July 2005. She is enrolled in Medicare PECOS and is a graduate of University Of California, San Francisco School Of Medicine (1997).

NPPES Registry Identity

NPI1164420469

Entity TypeIndividualFemale

Primary Taxonomy207RC0000X

Provider Legal NameDR. KATHERINE J LUDINGTONCredential: M.D.

Location Address4401 MANCHESTER AVE, SUITE 103Encinitas, CA 92024-4938

Mailing Address4401 Manchester Ave, Suite 103Encinitas, CA 92024-4938 · (760) 753-0220

Phone(760) 753-0220

Sole ProprietorYes

Medical School CMSUniversity Of California, San Francisco School Of MedicineGraduated 1997

Enumeration DateJuly 11, 2005

Last NPPES UpdateFebruary 22, 2008

✔ NPI 1164420469 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Cardiovascular DiseaseAllopathic & Osteopathic Physicians

Taxonomy Code207RC0000X

License✔ Licensed in CA · A66026

Definition

An internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.

4401 MANCHESTER AVE, Encinitas, CA 92024

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Other Identifiers 1

Medicare UPINH13632CA

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

Dr. Katherine J Ludington 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 ID5799882379

PECOS Enrollment IDI20070515000610

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 33

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 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.

2,025 services671 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.

1,268 services714 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.

1,164 services466 patients

Evaluation of cardiac rhythm monitor system, remote up to 30 days 93298

This procedure involves remotely monitoring your heart rhythm for up to 30 days. A small device will record your heart's activity, which can be accessed by your healthcare team. This aids in diagnosing any irregularities or issues with your heart function.

1,096 services108 patients

Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 93306

This is a heart ultrasound, also known as an echocardiogram. It uses sound waves to create pictures of your heart, showing how blood flows through it. The color depicts the blood flow's speed and direction. It also checks the heart's valves to ensure they're working properly.

698 services626 patients

Injection, regadenoson, 0.1 mg J2785

Regadenoson injection, 0.1 mg, is a medication used to help visualize the heart during a stress test. It works by increasing blood flow in the arteries of the heart. It's injected into a vein and is generally well-tolerated.

664 services167 patients

Technetium tc-99m sestamibi, diagnostic, per study dose A9500

Technetium Tc-99m Sestamibi is a diagnostic test used to create images of your heart or breast tissues. It involves a safe radioactive substance injection that helps doctors to detect any abnormalities or changes in these tissues.

464 services230 patients

Evaluation of implantable heart and blood vessel monitoring system, remote up to 30 days 93297

This service involves remotely monitoring your heart and blood vessel implant system for up to 30 days. Using advanced technology, healthcare professionals can track the device's performance and your health status, ensuring the system is working optimally for your needs.

341 services37 patients

Electrocardiogram (ecg) 2-day continuous with review and report by health care professional 93224

An Electrocardiogram (ECG) is a non-invasive test that records the electrical activity of your heart. In a 2-day continuous ECG, sensors attached to your chest monitor your heart's rhythm over 48 hours. A healthcare professional then reviews the data to identify any irregularities.

262 services225 patients

Ultrasound of both sides of head and neck blood flow 93880

An ultrasound of the head and neck blood flow is a safe, non-invasive procedure that uses sound waves to create images of blood vessels. It helps detect abnormalities like blockages or clots, ensuring optimal blood flow.

244 services242 patients

Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision and review by physician 93015

An exercise or drug-induced heart stress test with ECG is a procedure performed by a doctor to assess how your heart responds to exertion. It involves monitoring your heart's electrical activity while you exercise or after medication is given to mimic exercise effects.

238 services236 patients

Nuclear medicine studies of heart muscle at rest and with stress and spect 78452

Nuclear medicine studies of the heart involve two parts: rest and stress. During rest, images are taken of your heart at ease. During stress, images are taken after exercise or medication-induced stress. SPECT is a special imaging technique providing 3D pictures of your heart, helping identify any issues.

235 services233 patients

Remote monitoring of physiologic parameters, initial supply of devices with daily recordings or programmed alerts transmission, each 30 days 99454

This service involves using devices to remotely track body functions like heart rate or blood pressure. These devices, provided initially, record data daily or send alerts if readings are abnormal. The service is renewed every 30 days.

231 services37 patients

Collection and interpretation of physical parameters stored in computers and/or transmitted by the patient and/or caregiver to qualified health care professional, requiring 30 minutes or more, per 30 days 99091

This service involves gathering and analyzing health data from a patient, which is digitally stored and sent to a healthcare professional. This may include heart rate, blood pressure, or blood sugar levels. The process takes at least 30 minutes and is repeated every 30 days.

170 services36 patients

Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional 99211

This service involves an outpatient visit for established patients who may not need direct interaction with a healthcare professional. It could include reviewing test results, monitoring existing conditions, or adjusting treatment plans. It's typically done remotely, ensuring your comfort and convenience.

152 services78 patients

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.

148 services126 patients

Ultrasound of heart with continuous electrocardiogram (ecg) during rest, exercise and/or drug induced stress with review and report 93351

This procedure involves using ultrasound technology to create images of your heart while you rest, exercise, or undergo drug-induced stress. An ECG continuously monitors your heart's electrical activity. It helps doctors assess heart health and function.

114 services111 patients

Telephonic rhythm strip evaluation of single, dual, multiple lead or leadless pacemaker system, up to 90 days 93293

This service involves a phone-based review of your pacemaker system's rhythm strips, which are electrical recordings of your heart. It helps monitor the pacemaker's function and your heart health for up to 90 days. It's a non-invasive, convenient way to ensure your pacemaker is working properly.

112 services35 patients

New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205

This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.

103 services103 patients

Programming of dual lead pacemaker system 93280

Programming of a dual lead pacemaker system is a procedure to adjust your heart's pacemaker settings. This process involves a small device, called a programmer, that communicates with your pacemaker to ensure it's working optimally for your heart's needs.

96 services47 patients

Ultrasound study of arm or leg veins with compression and maneuvers 93970

An ultrasound study of arm or leg veins with compression and maneuvers is a non-invasive procedure that uses sound waves to create images of your veins. This helps identify blood clots or other vein problems. During the procedure, pressure is applied to the veins and certain movements are performed to assess blood flow.

64 services56 patients

Management using the results of remote vital sign monitoring per calendar month, first 20 minutes 99457

This service involves reviewing and managing your health data, which is remotely monitored and collected. Your vital signs like heart rate and blood pressure are tracked regularly throughout the month. The first 20 minutes of this data analysis per month is included in this service.

60 services21 patients

Ultrasound of heart, follow-up 93308

A follow-up ultrasound of the heart, also known as an echocardiogram, is a non-invasive test that uses sound waves to create images of your heart. It helps doctors monitor your heart's function and structures after initial assessment or treatment.

55 services40 patients

Ultrasound of heart blood flow, valves and chambers, follow-up 93321

This procedure, an echocardiogram, uses sound waves to create images of your heart. It aids in assessing your heart's blood flow, chambers, and valves. It's a follow-up procedure, ensuring that your heart is functioning properly post-treatment.

54 services39 patients

Complete ultrasound of aorta, vena cava, groin vessels or bypass grafts 93978

This procedure involves using sound waves to create images of your aorta, vena cava, groin vessels, or bypass grafts. It helps to detect abnormalities or blockages, ensuring your blood flows smoothly. It's painless and non-invasive.

49 services49 patients

Electrocardiogram (ecg) up to 30 days continuous with review and report by health care professional 93228

An Electrocardiogram (ECG) is a non-invasive test that records the electrical signals in your heart. For up to 30 days, a small device will continuously monitor your heart's activity. A healthcare professional will then review the data and provide a report on your heart's function.

45 services44 patients

Electrocardiogram (ecg) up to 30 days continuous with transmission of patient triggered events with review and report by health care professional 93229

An Electrocardiogram (ECG) is a test that records your heart's electrical activity for up to 30 days. You trigger a transmission if you feel symptoms, which is then reviewed by a healthcare professional. The report helps diagnose heart conditions.

45 services44 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.

36 services36 patients

Complete ultrasound study of arm and leg arteries 93923

This procedure involves using sound waves to produce images of your arm and leg arteries. It helps identify blockages or abnormalities that could lead to conditions like stroke or peripheral artery disease. It's non-invasive and painless.

35 services34 patients

Ultrasound of leg arteries or artery grafts 93925

An ultrasound of leg arteries or artery grafts is a non-invasive imaging test. It uses high-frequency sound waves to capture live images from inside your body, specifically your leg arteries or grafts. This helps in detecting any blockages or abnormalities.

35 services34 patients

Remote monitoring of physiologic parameters, initial set-up and patient education on use of equipment 99453

Remote monitoring of physiologic parameters involves using special equipment to track vital signs like heart rate and blood pressure from a distance. The initial set-up includes installing the device and teaching the patient how to use it correctly for accurate readings.

26 services26 patients

Complete ultrasound scan of abdomen 76700

A complete ultrasound scan of the abdomen is a non-invasive imaging procedure. It uses sound waves to produce images of the organs in your abdomen, such as the liver, gallbladder, spleen, pancreas, and kidneys. It helps in diagnosing, monitoring, and planning treatments.

19 services15 patients

Insertion of heart rhythm monitor under skin 33285

The insertion of a heart rhythm monitor under the skin is a procedure to track your heart's activity. A small device is placed under your skin, recording your heart's rhythms continuously. This helps identify irregular heartbeats or conditions, aiding in your treatment.

12 services12 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92024 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

$140.22 typical visit price

range $62.10 – $184.71

Typical copayment $35.05 (range $15.52 – $46.17)

Most-billed visit code 99204

Established Patient

$76.87 typical visit price

range $20.62 – $151.42

Typical copayment $19.21 (range $5.15 – $37.85)

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.

77.65/100

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

Individually scored

Quality

82.06

Promoting Interoperability

100

Improvement Activities

Cost

43.44

Reported Quality Measures

Advance Care Plan

92%928 patients4/55-star benchmark: 100%

Closing the Referral Loop: Receipt of Specialist Report

23%141 patients2/55-star benchmark: 87%

Controlling High Blood Pressure

73%312 patients4/55-star benchmark: 91%

Diabetes: Hemoglobin A1c (HbA1c) Poor Control (>9%)

Lower rates are better for this measure.

68%94 patients2/55-star benchmark: 91%

Documentation of Current Medications in the Medical Record

82%6,924 patients4/55-star benchmark: 100%

e-Prescribing

99%336 patients4/55-star benchmark: 100%

Preventive Care and Screening: Body Mass Index (BMI) Screening and Follow-Up Plan

49%1,508 patients3/55-star benchmark: 98%

Preventive Care and Screening: Screening for High Blood Pressure and Follow-Up Documented

26%3,178 patients2/55-star benchmark: 61%

Preventive Care and Screening: Tobacco Use: Screening and Cessation Intervention

Patients screened: 38% · 1,420 patients

38%1,420 patients

Provide Patients Electronic Access to Their Health Information

93%892 patients4/55-star benchmark: 100%

Statin Therapy for the Prevention and Treatment of Cardiovascular Disease

77%666 patients4/55-star benchmark: 91%

Use of High-Risk Medications in Older Adults

Lower rates are better for this measure.

Patients appropriateDiagnosis: 0% · 945 patients

Patients totalRate: 0% · 945 patients

0%945 patients5/55-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

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

Filter, disposable, used with positive airway pressure device A7038

DME-Other DME · category DE001N

1 supplier12 claims72 services$1.75 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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Other Providers at the Same Location NPPES 15

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

MR. DANIEL JAMES MCGRATH MFT

Marriage & Family Therapist

4401 MANCHESTER AVE, SUITE 204
ENCINITAS, CA 92024

San Diego County (619) 888-6444

DR. FRANKLYN DENNIS GILE III D.D.S.

Dentist (General Practice)

4401 MANCHESTER AVE, SUITE 203
ENCINITAS, CA 92024

San Diego County (760) 753-9036

DR. NICHOLAS HERKIMER PUTNAM M.D.

Psychiatry & Neurology (Psychiatry)

4401 MANCHESTER AVE, SUITE #101
ENCINITAS, CA 92024

San Diego County (760) 753-4564

NORTH COAST CARDIOLOGY, INC.

Internal Medicine (Cardiovascular Disease)

4401 MANCHESTER AVE, SUITE 103
ENCINITAS, CA 92024

San Diego County (760) 753-0220

NANCY V MCTIGUE MD

Psychiatry & Neurology (Psychiatry)

4401 MANCHESTER AVE, STE. 108
ENCINITAS, CA 92024

San Diego County (760) 942-2742

ERIKA NIEDERNHOFER

Dietitian, Registered (Nutrition, Metabolic)

4401 MANCHESTER AVE, SUITE 103
ENCINITAS, CA 92024

San Diego County (858) 756-3021

KEVEN TAGDIRI, MD, INC.

Internal Medicine

4401 MANCHESTER AVE, SUITE 103
ENCINITAS, CA 92024

San Diego County (858) 756-3021

JAMES B SHAW, MD, PC

Anesthesiology (Pain Medicine)

4401 MANCHESTER AVE, SUITE 103
ENCINITAS, CA 92024

San Diego County (760) 632-7246

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 Katherine Ludington's NPI number?

The NPI number for Katherine Ludington is 1164420469. It was assigned to this individual provider in the NPPES registry on July 11, 2005.

Where is Katherine Ludington located?

Katherine Ludington practices at 4401 Manchester Ave Suite 103, Encinitas, CA 92024. The listed phone number is (760) 753-0220.

What is Katherine Ludington's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.

Is Katherine Ludington enrolled in Medicare?

Yes. Katherine Ludington 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 Katherine Ludington was last updated on February 22, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.