DOUGLAS MICHAEL KATZ MD
NPI 1780693820
Internal Medicine in Andover, MA

Q: What is Douglas Katz's NPI number?

The NPI number for Douglas Katz is 1780693820. It was assigned to this individual provider in the NPPES registry on August 7, 2006.

Q: What is Douglas Katz's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Q: When was this NPI record last updated?

The NPPES record for Douglas Katz was last updated on January 8, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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 August 07, 2006PECOS Enrolled

323 LOWELL ST, ANDOVER MEDICAL CENTER & EXPRESS CARE, ANDOVER, MA 01810(978) 783-5000(978) 313-8188 Get Directions Write a Review

NPPES record last updated: January 8, 2015. Verified against the NPPES registry weekly; last sync: October 25, 2026.

On this page

About Douglas Michael Katz Md NPPES

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

DOUGLAS MICHAEL KATZ MD (NPI 1780693820) is an individual internal medicine provider in Andover, Massachusetts, licensed in Massachusetts (70570) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1780693820

Entity TypeIndividualMale

Primary Taxonomy207R00000X

Provider Legal NameDOUGLAS MICHAEL KATZCredential: MD

Location Address323 LOWELL ST, ANDOVER MEDICAL CENTER & EXPRESS CAREAndover, MA 01810-4501

Mailing Address323 Lowell St, Andover Medical Center & Express CareAndover, MA 01810-4501 · (978) 783-5000 · Fax (978) 313-8188

Phone(978) 783-5000

Fax(978) 313-8188

Sole ProprietorNo

Enumeration DateAugust 7, 2006

Last NPPES UpdateJanuary 8, 2015

✔ NPI 1780693820 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

License✔ Licensed in MA · 70570

Definition

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

323 LOWELL ST, Andover, MA 01810

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Other Identifiers 3

Medicaid3070131MA

Medicare UPINE72833

OtherJ16032Medicare

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Taro Health.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Douglas Michael Katz Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Douglas Katz reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Circle Health Urgent Care, LLC

14 mi

Urgent Care

198 LITTLETON RD
Westford, MA 01886

Reassigned Medicare billing, Massachusetts enrollment
31 clinicians in this Medicare group

NPI 1710392683 (978) 323-0302

Southcoast Physicians Group, Inc.

71 mi

Emergency Medicine

208 MILL RD
Fairhaven, MA 02719

Reassigned Medicare billing, Massachusetts enrollment
1,144 clinicians in this Medicare group

NPI 1861830143 (855) 319-0518

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 15

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.

169 services161 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.

90 services88 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.

86 services83 patients

Detection test by immunoassay with direct visual observation for influenza virus 87804

This is a test that identifies the influenza virus in your body. It works by using an immunoassay, a method that detects the presence of the virus through an immune response. The results are directly observable, making it a quick and efficient way to diagnose flu.

68 services34 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.

50 services49 patients

Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 85025

A Complete Blood Cell Count is a common test that measures various components of the blood, including red cells (carry oxygen), white cells (fight infection), and platelets (help blood clot). An automated test ensures accuracy. The differential count provides detailed information about white cell types.

48 services47 patients

Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus 87426

An immunoassay test for severe acute respiratory syndrome coronavirus is a diagnostic tool. It uses your body's immune response to detect the presence of the virus. It involves taking a sample, usually from your nose or throat, which is then analyzed in a lab for signs of the virus.

45 services45 patients

Blood test, basic group of blood chemicals (calcium, total) 80048

A basic group blood test measures the levels of certain chemicals in your blood, including calcium. This helps assess your overall health and detect potential problems. The procedure involves drawing a small amount of blood from your arm, which is then analyzed in a lab.

23 services22 patients

Bacterial colony count, urine 87086

A bacterial colony count, urine, is a laboratory test that checks a urine sample for bacteria. It helps to identify if an infection is present in the urinary system. High numbers of bacteria in the urine can indicate a urinary tract infection (UTI).

20 services20 patients

Blood test, comprehensive group of blood chemicals 80053

A comprehensive group of blood chemicals test, also known as a comprehensive metabolic panel, is a blood test that measures your sugar level, electrolyte and fluid balance, kidney function, and liver function. This helps to check your body's overall health.

18 services18 patients

Bacterial culture for aerobic isolates 87077

A bacterial culture for aerobic isolates is a lab test that helps identify bacteria that thrive in oxygen-rich environments. A sample from the suspected infection site is collected, then placed in a special medium that promotes bacterial growth. After a set period, the lab identifies any bacteria present, aiding in accurate diagnosis and treatment.

17 services17 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.

17 services17 patients

Evaluation of antimicrobial drug (antibiotic, antifungal, antiviral), microdilution or agar dilution 87186

This process checks how well certain drugs, like antibiotics, can fight against infections. It involves mixing the drug with a microbe (like bacteria or a virus) in a lab. By observing how the microbe reacts, it helps determine the best drug to treat your infection.

15 services15 patients

Detection test by immunoassay with direct visual observation for streptococcus, group a (strep) 87880

A detection test by immunoassay for Group A Strep is a quick procedure to identify a bacterial infection in your throat. It involves taking a throat swab and applying it to a test strip, which changes color if Strep bacteria are present.

13 services13 patients

Infusion, normal saline solution, 250 cc J7050

An infusion of normal saline solution, 250 cc, involves administering a sterile saltwater solution into your body through a vein, usually in your arm. This helps to replenish fluids, maintain hydration, and balance electrolytes in your body.

13 services12 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 01810 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

$134.47 typical visit price

range $58.86 – $177.36

Typical copayment $33.61 (range $14.71 – $44.34)

Most-billed visit code 99204

Established Patient

$103.48 typical visit price

range $19.11 – $144.84

Typical copayment $25.87 (range $4.77 – $36.21)

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.

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.

COMMUNITY MEDICAL ASSOCIATES, INC.

Surgery

323 LOWELL ST
ANDOVER, MA 01810

Essex County (978) 683-4000

MADHAVI CHALLAGULLA MD

Internal Medicine

323 LOWELL ST
ANDOVER, MA 01810

Essex County (978) 783-5000

ALEXSIS WALTER CNP

Nurse Practitioner (Women's Health)

323 LOWELL ST
ANDOVER, MA 01810

Essex County (978) 475-2731

KELLY CZWORKA NP

Nurse Practitioner

323 LOWELL ST
ANDOVER, MA 01810

Essex County (978) 783-5000

LAURA ENOS NP

Nurse Practitioner (Family)

323 LOWELL ST, ANDOVER MEDICAL CENTER & EXPRESSCARE
ANDOVER, MA 01810

Essex County (978) 783-5000

KELVEY RICHARDS

Physician Assistant

323 LOWELL ST
ANDOVER, MA 01810

Essex County (978) 794-1946

DR. STEVEN JASON ANDRIOLA M.D.

Orthopaedic Surgery

323 LOWELL ST
ANDOVER, MA 01810

Essex County (978) 794-1946

ALIDA MELISA ROSADO RODRIGUEZ MD

Internal Medicine

323 LOWELL ST
ANDOVER, MA 01810

Essex County (978) 783-5000

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 Douglas Katz's NPI number?

The NPI number for Douglas Katz is 1780693820. It was assigned to this individual provider in the NPPES registry on August 7, 2006.

Where is Douglas Katz located?

Douglas Katz practices at 323 Lowell St Andover Medical Center & Express Care, Andover, MA 01810. The listed phone number is (978) 783-5000.

What is Douglas Katz's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Douglas Katz enrolled in Medicare?

Yes. Douglas Katz is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Douglas Katz's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Douglas Katz reassigns Medicare benefits to 2 organizations: Circle Health Urgent Care, LLC (Westford, MA) and Southcoast Physicians Group, Inc. (Fairhaven, MA). 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 Douglas Katz's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Douglas Katz accept?

Health plans from Taro Health list Douglas Katz 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.

When was this NPI record last updated?

The NPPES record for Douglas Katz was last updated on January 8, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.