DAVID LOMNITZ M.D.
NPI 1396849964
Internal Medicine - Cardiovascular Disease in Norwalk, CT

Q: What is David Lomnitz's NPI number?

The NPI number for David Lomnitz is 1396849964. It was assigned to this individual provider in the NPPES registry on September 12, 2006.

Q: What is David Lomnitz's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for David Lomnitz was last updated on April 4, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.

Active since September 12, 2006PECOS EnrolledAccepts Medicare Assignment

94.24/100

CMS Quality Rating

24 STEVENS ST, NORWALK, CT 06850(203) 855-3680 Get Directions Write a Review

NPPES record last updated: April 4, 2017. Verified against the NPPES registry weekly; last sync: October 18, 2026.

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About David Lomnitz M.d. NPPES

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

DAVID LOMNITZ M.D. (NPI 1396849964) is an individual cardiovascular disease provider in Norwalk, Connecticut, licensed in Connecticut (039397) and active in the NPI registry since September 2006. He is enrolled in Medicare PECOS and is a graduate of Perelman School Of Med At The University Of Pennsylvania (1995).

NPPES Registry Identity

NPI1396849964

Entity TypeIndividualMale

Primary Taxonomy207RC0000X

Provider Legal NameDAVID LOMNITZCredential: M.D.

Location Address24 STEVENS STNorwalk, CT 06850-3852

Mailing Address24 Stevens StNorwalk, CT 06850-3852 · (203) 855-3680

Phone(203) 855-3680

Sole ProprietorNo

Medical School CMSPerelman School Of Med At The University Of PennsylvaniaGraduated 1995

Enumeration DateSeptember 12, 2006

Last NPPES UpdateApril 4, 2017

✔ NPI 1396849964 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal Medicine · Cardiovascular DiseaseAllopathic & Osteopathic Physicians

Taxonomy Code207RC0000X

License✔ Licensed in CT · 039397

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.

Also ListedNuclear Medicine · Nuclear CardiologyTaxonomy 207UN0901X · License 039397 (CT)

Also ListedRadiology · Diagnostic UltrasoundTaxonomy 2085U0001X · License 039397 (CT)

24 STEVENS ST, Norwalk, CT 06850

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Other Identifiers 3

Medicare UPINH41285CT

Medicaid001393975CT

Medicare ID-Type Unspecified060001422CT

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

David Lomnitz 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 ID3678661824

PECOS Enrollment IDI20100325000563

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 David Lomnitz reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Nuvance Health Medical Practice Ct, Inc.

20 mi

Internal Medicine

24 HOSPITAL AVE
Danbury, CT 06810

Reassigned Medicare billing, Connecticut enrollment
818 clinicians in this Medicare group

NPI 1407898117 (203) 739-7742

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 18

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.

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010

A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.

2,589 services1,709 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.

725 services493 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.

624 services392 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.

553 services513 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.

151 services143 patients

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

112 services111 patients

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.

90 services66 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.

76 services76 patients

Exercise or drug-induced heart stress test with electrocardiogram (ecg) with review by physician 93018

An exercise or drug-induced heart stress test with ECG is a procedure to assess how your heart functions under stress. It can involve exercising or medication to make your heart work harder while an ECG records its activity. A physician reviews the results.

73 services71 patients

Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision by physician 93016

An exercise or drug-induced heart stress test with ECG involves monitoring your heart's activity while it's under stress, either from exercise or medication. A doctor supervises the entire procedure to ensure safety and accuracy in results. This test helps detect heart problems.

72 services70 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 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.

52 services42 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.

44 services43 patients

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223

Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.

33 services33 patients

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222

Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.

32 services31 patients

Critical care, first 30-74 minutes 99291

Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.

23 services19 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.

22 services20 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.

18 services18 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.

14 services14 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 06850 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

$138.84 typical visit price

range $60.82 – $183.10

Typical copayment $34.71 (range $15.20 – $45.77)

Most-billed visit code 99204

Established Patient

$75.55 typical visit price

range $19.76 – $149.26

Typical copayment $18.88 (range $4.94 – $37.31)

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.

94.24/100

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

Scored through an Alternative Payment Model

Quality

78.26

Promoting Interoperability

100

Improvement Activities

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.

DR. EVE BLOCK MD

Internal Medicine (Hospice and Palliative Medicine)

24 STEVENS ST
NORWALK, CT 06850

Western Connecticut Planning Region (203) 852-2665

RUTH C PERRY CRNA

Nurse Anesthetist, Certified Registered

24 STEVENS ST
NORWALK, CT 06850

Western Connecticut Planning Region (203) 852-2276

DR. RICHARD LAWRENCE MAIBERGER M.D.

Psychiatry & Neurology (Psychiatry)

24 STEVENS ST
NORWALK, CT 06850

Western Connecticut Planning Region (203) 852-2293

RICHARD A HUGHES MD

Anesthesiology

24 STEVENS ST
NORWALK, CT 06850

Western Connecticut Planning Region (203) 852-2276

MRS. ERIKA JAYNE PEARL PA-C

Physician Assistant (Surgical)

24 STEVENS ST, NORWALK HOSPITAL DEPARTMENT OF SURGERY
NORWALK, CT 06850

Western Connecticut Planning Region (203) 852-2464

JAN CRISTOPHER HERNANDEZ DE GUZMAN PHARMD, MSF, RPH

Pharmacist

24 STEVENS ST
NORWALK, CT 06850

Western Connecticut Planning Region (203) 852-2690

PAUL R BEILES MD

Anesthesiology

24 STEVENS ST
NORWALK, CT 06850

Western Connecticut Planning Region (203) 852-2276

MS. IRIS NAGIN RNP

Nurse Practitioner (Adult Health)

24 STEVENS ST, HOSPITALIST SUITE
NORWALK, CT 06850

Western Connecticut Planning Region (203) 852-3072

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 David Lomnitz's NPI number?

The NPI number for David Lomnitz is 1396849964. It was assigned to this individual provider in the NPPES registry on September 12, 2006.

Where is David Lomnitz located?

David Lomnitz practices at 24 Stevens St, Norwalk, CT 06850. The listed phone number is (203) 855-3680.

What is David Lomnitz's specialty?

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

Is David Lomnitz enrolled in Medicare?

Yes. David Lomnitz 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 David Lomnitz's services?

According to the CMS Revalidation Reassignment List (October 2026 release), David Lomnitz reassigns Medicare benefits to Nuvance Health Medical Practice Ct, Inc. (Danbury, CT). 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 David Lomnitz's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for David Lomnitz was last updated on April 4, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.