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DR. MICHAEL JOHN GRANIERI D.O.
NPI 1730767229
Internal Medicine in Waterbury, CT

Active since March 29, 2021PECOS Enrolled
64 ROBBINS ST, WATERBURY, CT 06708(516) 574-3807 Get Directions Write a Review

NPPES record last updated: September 17, 2024. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Sep 17, 2024, Apr 9, 2024, Mar 29, 2021 (3 updates tracked since 2021).

About Dr. Michael John Granieri D.o. NPPES

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

DR. MICHAEL JOHN GRANIERI D.O. (NPI 1730767229) is an individual internal medicine provider in Waterbury, Connecticut, licensed in Connecticut (77254) and active in the NPI registry since March 2021. He is enrolled in Medicare PECOS, maintains a secondary practice location in Akron, and is a graduate of Alabama College Of Osteopathic Medicine (2021).

NPPES Registry Identity

NPI1730767229
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. MICHAEL JOHN GRANIERICredential: D.O.
Location Address64 ROBBINS STWaterbury, CT 06708-2600
Mailing Address64 Robbins StWaterbury, CT 06708-2600
Phone(516) 574-3807
Sole ProprietorYes
Medical School CMSAlabama College Of Osteopathic MedicineGraduated 2021
Enumeration DateMarch 29, 2021
Last NPPES UpdateSeptember 17, 20243 updates tracked since enumeration
NPPES CertifiedSeptember 17, 2024
✔ NPI 1730767229 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in CT · 77254
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.
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
64 ROBBINS ST, Waterbury, CT 06708
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Secondary Practice Location 1

Location 155 Arch St Ste 1BAkron, OH 44304-1436 · Phone (330) 375-3315 · Fax (330) 375-7779

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Michael John Granieri D.o. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID9335541101
PECOS Enrollment IDI20240723004257
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

2

Medicare enrollment records show Michael Granieri reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Uconn Health Community Network Medical Group, Inc.
0.1 mi
Family Medicine
64 ROBBINS ST
Waterbury, CT 06708
  • Reassigned Medicare billing, Connecticut enrollment
  • 152 clinicians in this Medicare group
NPI 1548119522 (203) 573-7280
Prospect Ct Medical Foundation, Inc.
32 mi
Family Medicine
71 HAYNES ST, MILLER BLDG., FLOOR G
Manchester, CT 06040
  • Reassigned Medicare billing, Connecticut enrollment
  • 422 clinicians in this Medicare group
NPI 1144677568 (860) 533-2981

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 4

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.

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.
64 services30 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.
63 services33 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.
42 services42 patients
Hospital discharge day management, more than 30 minutes 99239
Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.
37 services37 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 06708 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.

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.

MR. PETER SAMIR HANNA PA-C
Physician Assistant (Medical)
64 ROBBINS ST
WATERBURY, CT 06708
Naugatuck Valley Planning Region (704) 340-5079
HOSPITALIST PHYSICIANS OF CONNECTICUT PC
Hospitalist
64 ROBBINS ST
WATERBURY, CT 06708
Naugatuck Valley Planning Region (203) 573-6000
AZIZ SAADE MD
Student in an Organized Health Care Education/Training Program
64 ROBBINS ST
WATERBURY, CT 06708
Naugatuck Valley Planning Region (203) 573-7257
MS. SHAWNDAY BECERRIL LPC
Counselor (Professional)
64 ROBBINS ST, CRISIS CENTER
WATERBURY, CT 06708
Naugatuck Valley Planning Region (203) 573-6500
DR. ALLEN ABBOTT CURRIER III DO
Student in an Organized Health Care Education/Training Program
64 ROBBINS ST
WATERBURY, CT 06708
Naugatuck Valley Planning Region (203) 573-6162
MRS. JULIET ELISABETH RIVERA PA-C
Physician Assistant
64 ROBBINS ST
WATERBURY, CT 06708
Naugatuck Valley Planning Region (203) 573-7066
ALAN DAVID KESTENBAUM M.D.
Anesthesiology
64 ROBBINS ST
WATERBURY, CT 06708
Naugatuck Valley Planning Region (203) 573-6000
DR. STEVEN ERIC SCHNEIDER M.D.
Psychiatry & Neurology (Psychiatry)
64 ROBBINS ST
WATERBURY, CT 06708
Naugatuck Valley Planning Region (203) 573-7141

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 Michael Granieri's NPI number?

The NPI number for Michael Granieri is 1730767229. It was assigned to this individual provider in the NPPES registry on March 29, 2021.

Where is Michael Granieri located?

Michael Granieri practices at 64 Robbins St, Waterbury, CT 06708. The listed phone number is (516) 574-3807.

What is Michael Granieri's specialty?

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

Is Michael Granieri enrolled in Medicare?

Yes. Michael Granieri is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Michael Granieri's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Michael Granieri reassigns Medicare benefits to 2 organizations: Uconn Health Community Network Medical Group, Inc. (Waterbury, CT) and Prospect Ct Medical Foundation, Inc. (Manchester, CT). 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 Michael Granieri's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Michael Granieri accept?

Health plans from Anthem Blue Cross and Blue Shield list Michael Granieri 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 Michael Granieri was last updated on September 17, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.