DR. LEONARD LOIS CALO MD
NPI 1033305545
Hospitalist in New Haven, CT

Active since September 18, 2007PECOS EnrolledAccepts Medicare Assignment
93.27/100
CMS Quality Rating
20 YORK ST, YNH MEDICAL SERVICES PC - CB 2041, NEW HAVEN, CT 06504(203) 688-4748(203) 688-4740 Get Directions Write a Review

NPPES record last updated: January 6, 2015. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Dr. Leonard Lois Calo Md NPPES

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

DR. LEONARD LOIS CALO MD (NPI 1033305545) is an individual hospitalist provider in New Haven, Connecticut, licensed in Connecticut (045289) and active in the NPI registry since September 2007. He is enrolled in Medicare PECOS and is a graduate of Other (2004).

NPPES Registry Identity

NPI1033305545
Entity TypeIndividualMale
Primary Taxonomy208M00000X
Provider Legal NameDR. LEONARD LOIS CALOCredential: MD
Location Address20 YORK ST, YNH MEDICAL SERVICES PC - CB 2041New Haven, CT 06504-8900
Mailing Address20 York St, Cb 2041New Haven, CT 06504-8900 · (203) 688-4748 · Fax (203) 688-4740
Fax(203) 688-4740
Sole ProprietorNo
Medical School CMSOtherGraduated 2004
Enumeration DateSeptember 18, 2007
Last NPPES UpdateJanuary 6, 2015
NPI 1033305545 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyHospitalistAllopathic & Osteopathic Physicians
Taxonomy Code208M00000X
License Licensed in CT · 045289
Definition

Hospitalists are physicians whose primary professional focus is the general medical care of hospitalized patients. Their activities include patient care, teaching, research, and leadership related to Hospital Medicine. The term 'hospitalist' refers to physicians whose practice emphasizes providing care for hospitalized patients.

Also ListedInternal MedicineTaxonomy 207R00000X · License 045289 (CT)
20 YORK ST, New Haven, CT 06504

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. Leonard Lois Calo 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 ID2860564440
PECOS Enrollment IDI20080627000034
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 2

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.

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.
49 services49 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.
23 services23 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 06504 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
$106.68 typical visit price
range $19.76 – $149.26
Typical copayment $26.67 (range $4.94 – $37.31)
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.

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.

93.27/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality81.72
Promoting Interoperability78.03
Improvement Activities40

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.

Social Worker (Clinical)
20 YORK ST, YPH
NEW HAVEN, CT 06504
Physician Assistant (Surgical)
20 YORK ST
NEW HAVEN, CT 06504
Pathology (Clinical Pathology/Laboratory Medicine)
20 YORK ST, YALE-NEW HAVEN HOSPITAL
NEW HAVEN, CT 06504
Hospitalist
20 YORK ST, YNH MEDICAL SERVICES PC - CB 2041
NEW HAVEN, CT 06504
Pediatrics (Pediatric Pulmonology)
20 YORK ST, YNHH (CHILDREN'S) WEST PAVILION 2ND FLOOR
NEW HAVEN, CT 06504
Social Worker (Clinical)
20 YORK ST, YPH LV-111
NEW HAVEN, CT 06504
Physician Assistant (Medical)
20 YORK ST, CB-2041 HOSPITALIST SERVICE
NEW HAVEN, CT 06504
Social Worker (Clinical)
20 YORK ST
NEW HAVEN, CT 06504

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 Leonard Calo's NPI number?

The NPI number for Leonard Calo is 1033305545. It was assigned to this individual provider in the NPPES registry on September 18, 2007.

Where is Leonard Calo located?

Leonard Calo practices at 20 York St Ynh Medical Services PC - Cb 2041, New Haven, CT 06504. The listed phone number is (203) 688-4748.

What is Leonard Calo's specialty?

The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.

Is Leonard Calo enrolled in Medicare?

Yes. Leonard Calo 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 Leonard Calo was last updated on January 6, 2015. NPI Profile syncs with the weekly NPPES data releases published by CMS.