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RONALD C HARTFELDER MD
NPI 1053312397
Internal Medicine - Gastroenterology in Salem, MA

Active since August 09, 2005PECOS EnrolledAccepts Medicare Assignment
55 HIGHLAND AVE, STE 304, SALEM, MA 01970(978) 741-4171(978) 741-4283 Get Directions Write a Review

NPPES record last updated: April 14, 2009. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Ronald C Hartfelder Md NPPES

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

RONALD C HARTFELDER MD (NPI 1053312397) is an individual gastroenterology provider in Salem, Massachusetts, licensed in Massachusetts (59277) and active in the NPI registry since August 2005. He is enrolled in Medicare PECOS, is affiliated with North Shore Medical Center -, and is a graduate of University Of Utah School Of Medicine (1983).

NPPES Registry Identity

NPI1053312397
Entity TypeIndividualMale
Primary Taxonomy207RG0100X
Provider Legal NameRONALD C HARTFELDERCredential: MD
Location Address55 HIGHLAND AVE, STE 304Salem, MA 01970-2100
Mailing Address340 Main St, Ste. 670Worcester, MA 01608-1604 · (508) 754-3566 · Fax (508) 798-8012
Phone(978) 741-4171
Fax(978) 741-4283
Sole ProprietorNo
Medical School CMSUniversity Of Utah School Of MedicineGraduated 1983
Enumeration DateAugust 9, 2005
Last NPPES UpdateApril 14, 2009
✔ NPI 1053312397 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
License✔ Licensed in MA · 59277
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.
55 HIGHLAND AVE, Salem, MA 01970
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Other Identifiers 4

Medicare PINSX0819MA
Medicaid3038025MA
Medicare UPINA66629
Medicare PINJ07523MA

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 and accepts Medicare assignment

Ronald C Hartfelder 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 ID5395782809
PECOS Enrollment IDI20050414001271
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 Reassignment

Medicare enrollment records show Ronald Hartfelder reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Mass General Brigham Medical Group Northern Massachusetts Inc
0.2 mi
Emergency Medicine
81 HIGHLAND AVE
Salem, MA 01970
  • Reassigned Medicare billing, Massachusetts enrollment
  • 994 clinicians in this Medicare group
NPI 1588606123 (978) 354-4173

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 13

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.
190 services143 patients
Biopsy of large bowel using a flexible endoscope 45380
A biopsy of the large bowel using a flexible endoscope is a procedure where a thin, flexible tube with a camera is inserted through the rectum to examine the bowel. If abnormal tissue is found, a small sample is taken for further examination. This helps in diagnosing conditions like inflammation, polyps, or cancer.
75 services74 patients
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.
65 services64 patients
Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito G0500
Moderate sedation is a method where a physician uses medication to help you relax during a gastrointestinal endoscopy. An independent trained observer will be present to monitor your vital signs and ensure your safety throughout the procedure. It's a common and safe practice.
64 services64 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.
62 services62 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
33 services31 patients

Hospital Affiliations CMS Care Compare 2

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

North Shore Medical Center -

Acute Care Hospitals · Salem, MA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220035
Location81 Highland AvenueSalem, MA 01970 · Essex County
Emergency services Birthing friendly

Massachusetts General Hospital

Acute Care Hospitals · Boston, MA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220071
Location55 Fruit StreetBoston, MA 02114 · Suffolk County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 01970 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.

Referred Medical Equipment & Supplies CMS DME claims 2

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Enteral feeding supply kit; pump fed, per day, includes but not limited to feeding/flushing syringe, administration set tubing, dressings, tape B4035
Other-Enteral and Parenteral · category OB006N
2 suppliers17 claims502 services$4.23 avg. paid by Medicare
Enteral formula, nutritionally complete with intact nutrients, includes proteins, fats, carbohydrates, vitamins and minerals, may include fiber, administered through an enteral feeding tube, 100 calories = 1 unit B4150
Other-Enteral and Parenteral · category OB006N
2 suppliers17 claims7,727 services$0.28 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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.

HEATHER BREEN NORE COUNSELING INTERN
Counselor (Mental Health)
55 HIGHLAND AVE
SALEM, MA 01970
Essex County (978) 573-4310
ANTOINE M SALVADOR MA
Student in an Organized Health Care Education/Training Program
55 HIGHLAND AVE, HIGHLAND HALL
SALEM, MA 01970
Essex County (978) 825-6685
DANIEL CARROLL HAGAN DO
Internal Medicine (Pulmonary Disease)
55 HIGHLAND AVE, SUITE 104
SALEM, MA 01970
Essex County (978) 745-4489
STEPHEN BRAUNINGER
Audiologist
55 HIGHLAND AVE, SUITE 201
SALEM, MA 01970
Essex County (978) 745-6601
SOUND CHOICE INC
Hearing Aid Equipment
55 HIGHLAND AVE, SUITE 201
SALEM, MA 01970
Essex County (978) 740-6699
JULIA MOSKOWITZ PSYD
Psychologist (Clinical)
55 HIGHLAND AVE, SUITE 201
SALEM, MA 01970
Essex County (978) 825-6620
DR. CHALINI JAYASEKERA PSYD
Psychologist (Clinical)
55 HIGHLAND AVE
SALEM, MA 01970
Essex County (978) 825-6677
GASTROINTESTINAL PHYSICIANS PC
Internal Medicine (Gastroenterology)
55 HIGHLAND AVE, STE 304
SALEM, MA 01970
Essex County (978) 741-4171

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 Ronald Hartfelder's NPI number?

The NPI number for Ronald Hartfelder is 1053312397. It was assigned to this individual provider in the NPPES registry on August 9, 2005.

Where is Ronald Hartfelder located?

Ronald Hartfelder practices at 55 Highland Ave Ste 304, Salem, MA 01970. The listed phone number is (978) 741-4171.

What is Ronald Hartfelder's specialty?

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

Is Ronald Hartfelder enrolled in Medicare?

Yes. Ronald Hartfelder 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.

Which organization bills Medicare for Ronald Hartfelder's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Ronald Hartfelder reassigns Medicare benefits to Mass General Brigham Medical Group Northern Massachusetts Inc (Salem, MA). The 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 Ronald Hartfelder's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Ronald Hartfelder accept?

Health plans from Anthem Blue Cross and Blue Shield list Ronald Hartfelder 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 Ronald Hartfelder affiliated with any hospitals?

According to CMS data, Ronald Hartfelder is affiliated with North Shore Medical Center - and Massachusetts General Hospital.

When was this NPI record last updated?

The NPPES record for Ronald Hartfelder was last updated on April 14, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.