DR. DAVID NILSON ASSIS MD
NPI 1124235015
Internal Medicine - Hepatology in New Haven, CT

Q: What is David Assis's NPI number?

The NPI number for David Assis is 1124235015. It was assigned to this individual provider in the NPPES registry on May 17, 2007.

Q: What is David Assis's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hepatology, with taxonomy code 207RI0008X.

Q: When was this NPI record last updated?

The NPPES record for David Assis was last updated on May 7, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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 May 17, 2007PECOS EnrolledAccepts Medicare Assignment

73.56/100

CMS Quality Rating

333 CEDAR ST, 1080 LMP, NEW HAVEN, CT 06520(203) 785-0712 Get Directions Write a Review

NPPES record last updated: May 7, 2013. Verified against the NPPES registry weekly; last sync: August 02, 2026.

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About Dr. David Nilson Assis Md NPPES

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

DR. DAVID NILSON ASSIS MD (NPI 1124235015) is an individual hepatology provider in New Haven, Connecticut, licensed in Connecticut (051778) and active in the NPI registry since May 2007. He is enrolled in Medicare PECOS and is a graduate of Other (2005).

NPPES Registry Identity

NPI1124235015

Entity TypeIndividualMale

Primary Taxonomy207RI0008X

Provider Legal NameDR. DAVID NILSON ASSISCredential: MD

Location Address333 CEDAR ST, 1080 LMPNew Haven, CT 06520

Mailing Address333 Cedar Street, 1080 LmpNew Haven, CT 06520 · (203) 785-5279

Phone(203) 785-0712

Sole ProprietorYes

Medical School CMSOtherGraduated 2005

Enumeration DateMay 17, 2007

Last NPPES UpdateMay 7, 2013

✔ NPI 1124235015 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · HepatologyAllopathic & Osteopathic Physicians

Taxonomy Code207RI0008X

License✔ Licensed in CT · 051778

Definition

The discipline of Hepatology encompasses the structure, function, and diseases of the liver and biliary tract. The American Board of Internal Medicine considers Hepatology part of the subspecialty of gastroenterology. Physicians who identify themselves as Hepatologists usually, but not always, have been trained in gastrointestinal programs.

Also ListedInternal Medicine · GastroenterologyTaxonomy 207RG0100X · License 051778 (CT)

333 CEDAR ST, New Haven, CT 06520

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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. David Nilson Assis 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 ID3870734023

PECOS Enrollment IDI20130730000902

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 3

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.

88 services59 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.

38 services20 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.

17 services17 patients

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.

73.56/100

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

Scored as part of a group practice

Quality

75.84

Promoting Interoperability

Improvement Activities

Cost

51.43

Other Providers at the Same Location NPPES 6

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

ABRAHAM TZOU

Pathology (Clinical Pathology/Laboratory Medicine)

333 CEDAR ST, DEPARTMENT OF LABORATORY MEDICINE
NEW HAVEN, CT 06520

South Central Connecticut Planning Region (203) 737-5308

DR. JOE MAROUN EL-KHOURY PHD

Clinical Medical Laboratory

333 CEDAR ST
NEW HAVEN, CT 06520

South Central Connecticut Planning Region (203) 688-2446

JOHN GREG HOWE PHD

Medical Genetics (Clinical Molecular Genetics)

333 CEDAR ST, DEPT LABORATORY MEDICINE
NEW HAVEN, CT 06520

South Central Connecticut Planning Region (203) 737-4237

ZACHARY ANDREW CORBIN M.D., M.H.S.

Psychiatry & Neurology (Neurology)

333 CEDAR ST, WWW 211
NEW HAVEN, CT 06520

South Central Connecticut Planning Region (203) 737-7084

DR. STEPHANIE ANN MASSARO M.D., M.P.H.

Pediatrics (Pediatric Hematology-Oncology)

333 CEDAR ST, LMP 2073
NEW HAVEN, CT 06520

South Central Connecticut Planning Region (203) 785-4640

SARAH B GOLDBERG M.D., M.P.H.

Internal Medicine (Medical Oncology)

333 CEDAR ST, FMP-130
NEW HAVEN, CT 06520

South Central Connecticut Planning Region (203) 785-7564

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 Assis's NPI number?

The NPI number for David Assis is 1124235015. It was assigned to this individual provider in the NPPES registry on May 17, 2007.

Where is David Assis located?

David Assis practices at 333 Cedar St 1080 Lmp, New Haven, CT 06520. The listed phone number is (203) 785-0712.

What is David Assis's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hepatology, with taxonomy code 207RI0008X.

Is David Assis enrolled in Medicare?

Yes. David Assis 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 David Assis was last updated on May 7, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.