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DR. CHARLES M. BLISS JR. MD
NPI 1740266477
Internal Medicine - Gastroenterology in Boston, MA

Active since December 15, 2005PECOS EnrolledAccepts Medicare Assignment
830 HARRISON AVENUE, MOAKLEY, 2ND FLOOR, BOSTON, MA 02118(617) 638-6525(617) 638-7448 Get Directions Write a Review

NPPES record last updated: May 3, 2021. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Dr. Charles M. Bliss Jr. Md NPPES

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

DR. CHARLES M. BLISS JR. MD (NPI 1740266477) is an individual gastroenterology provider in Boston, Massachusetts, licensed in Massachusetts (74783) and active in the NPI registry since December 2005. He is enrolled in Medicare PECOS, is affiliated with Boston Medical Center, and is a graduate of Boston University School Of Medicine (1989).

NPPES Registry Identity

NPI1740266477
Entity TypeIndividualMale
Primary Taxonomy207RG0100X
Provider Legal NameDR. CHARLES M. BLISS JR.Credential: MD
Location Address830 HARRISON AVENUE, MOAKLEY, 2ND FLOORBoston, MA 02118-2905
Mailing Address801 Albany St Fl GBoston, MA 02119-3791
Phone(617) 638-6525
Fax(617) 638-7448
Sole ProprietorNo
Medical School CMSBoston University School Of MedicineGraduated 1989
Enumeration DateDecember 15, 2005
Last NPPES UpdateMay 3, 2021
NPPES CertifiedMay 3, 2021
✔ NPI 1740266477 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
License✔ Licensed in MA · 74783
Definition
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.
Also ListedInternal MedicineTaxonomy 207R00000X · License 74783 (MA)
830 HARRISON AVENUE, Boston, MA 02118
Open in Google Maps ↗

Other Identifiers 1

Medicaid110057505AMA

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, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Charles M. Bliss Jr. 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 ID3072552835
PECOS Enrollment IDI20050502000026
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 8

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.

Removal of polyps or growths of large bowel using an endoscope with mechanical snare 45385
This procedure involves using a thin, flexible tube called an endoscope to examine the large bowel. If any abnormal growths or polyps are found, a tool called a mechanical snare is used to remove them. This is a common method to prevent potential health issues.
40 services39 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.
38 services37 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.
36 services28 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.
29 services25 patients
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43239
This procedure involves using a thin, flexible tube with a light and camera, known as an endoscope, to examine the esophagus, stomach, and upper part of the small intestine. Small tissue samples are taken for further examination to help diagnose various conditions.
14 services13 patients
Colorectal cancer screening; colonoscopy on individual at high risk G0105
Colorectal cancer screening, specifically a colonoscopy, is a preventive measure for those at high risk. A thin, flexible tube with a camera inspects the colon to spot any abnormal growths. This test helps detect potential issues early, enhancing the effectiveness of treatment.
13 services13 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Boston Medical Center

Acute Care Hospitals · Boston, MA
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220031
Location1 Boston Medical Center PlaceBoston, MA 02118 · Suffolk County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02118 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
$144.11 typical visit price
range $63.72 – $189.86
Typical copayment $36.02 (range $15.93 – $47.46)
Most-billed visit code 99204
Established Patient
$111.18 typical visit price
range $21.07 – $155.29
Typical copayment $27.79 (range $5.26 – $38.82)
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.

MARGARET BROWN AUD
Audiologist
830 HARRISON AVENUE, GROUND FLOOR SUITE 1400
BOSTON, MA 02118
Suffolk County (617) 638-8124
PETER C WEBER MD
Otolaryngology
830 HARRISON AVENUE, STE 1400
BOSTON, MA 02118
Suffolk County (617) 638-8124
DR. KEN S ZANER MD
Internal Medicine (Medical Oncology)
830 HARRISON AVENUE, MOAKLEY, 3RD FLOOR
BOSTON, MA 02118
Suffolk County (617) 638-6428
NICOLE TRAN PA-C
Physician Assistant
830 HARRISON AVENUE, SUITE 1400
BOSTON, MA 02118
Suffolk County (617) 638-8124
MICHELLE T LONG M.D.
Internal Medicine (Gastroenterology)
830 HARRISON AVENUE, EVANS - GASTROENTEROLOGY
BOSTON, MA 02118
Suffolk County (617) 638-6525
SUSAN CATHERINE GRIEVER NP
Nurse Practitioner (Adult Health)
830 HARRISON AVENUE, SUITE 1400
BOSTON, MA 02118
Suffolk County (617) 638-8124
HEDY P SMITH M.D.
Internal Medicine (Hematology)
830 HARRISON AVENUE, MOAKLEY, 3RD FLOOR
BOSTON, MA 02118
Suffolk County (617) 638-6428
DOROTHY A. WISDOM NP
Nurse Practitioner (Family)
830 HARRISON AVENUE, MOAKLEY, 3RD FLOOR
BOSTON, MA 02118
Suffolk County (617) 638-6428

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 Charles Bliss's NPI number?

The NPI number for Charles Bliss is 1740266477. It was assigned to this individual provider in the NPPES registry on December 15, 2005.

Where is Charles Bliss located?

Charles Bliss practices at 830 Harrison Avenue Moakley, 2nd Floor, Boston, MA 02118. The listed phone number is (617) 638-6525.

What is Charles Bliss's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Is Charles Bliss enrolled in Medicare?

Yes. Charles Bliss 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.

What insurance does Charles Bliss accept?

Health plans from Anthem Blue Cross and Blue Shield list Charles Bliss 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.

Is Charles Bliss affiliated with any hospitals?

According to CMS data, Charles Bliss is affiliated with Boston Medical Center.

When was this NPI record last updated?

The NPPES record for Charles Bliss was last updated on May 3, 2021. NPI Profile syncs with the weekly NPPES data releases published by CMS.