KRISTEN LEIGH MOULTON DO
NPI 1821559758
Internal Medicine - Gastroenterology in Worcester, MA

Active since March 25, 2019PECOS EnrolledAccepts Medicare Assignment
55 LAKE AVE N, WORCESTER, MA 01655(508) 334-3068 Get Directions Write a Review

NPPES record last updated: March 31, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Mar 31, 2026, May 9, 2025 (2 updates tracked since 2025).

About Kristen Leigh Moulton Do NPPES

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

KRISTEN LEIGH MOULTON DO (NPI 1821559758) is an individual gastroenterology provider in Worcester, Massachusetts, licensed in Massachusetts (1023324) and active in the NPI registry since March 2019. She is enrolled in Medicare PECOS, is affiliated with Umass Memorial Healthalliance Hospitals, and maintains 5 additional practice locations.

NPPES Registry Identity

NPI1821559758
Entity TypeIndividualFemale
Primary Taxonomy207RG0100X
Provider Legal NameKRISTEN LEIGH MOULTONCredential: DO
Location Address55 LAKE AVE NWorcester, MA 01655-0002
Mailing AddressPo Box 415348Boston, MA 02241-5348 · (800) 885-2225
Sole ProprietorNo
Medical School CMSPhiladelphia College Of Osteopathic MedicineGraduated 2019
Enumeration DateMarch 25, 2019
Last NPPES UpdateMarch 31, 20262 updates tracked since enumeration
NPPES CertifiedMarch 31, 2026
NPI 1821559758 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 · 1023324
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 LAKE AVE N, Worcester, MA 01655

Secondary Practice Locations 5

Location 128 Newton StSouthborough, MA 01772-1215 · Phone (508) 334-3068
Location 2119 Belmont StWorcester, MA 01605-2903 · Phone (508) 334-3068
Location 3159 Union StMarlborough, MA 01752-1274 · Phone (508) 486-5454
Location 4157 Union StMarlborough, MA 01752-1228 · Phone (508) 334-3068
Location 521 Eastern AveWorcester, MA 01605-3094 · Phone (508) 334-8419

Other Identifiers 1

Medicaid110153630AMA

Accepted 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

Kristen Leigh Moulton Do 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 ID2860728169
PECOS Enrollment IDI20250516000630
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.

Hospital Affiliations CMS Care Compare 3

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

Umass Memorial Healthalliance Hospitals

Acute Care Hospitals · Leominster, MA
2/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number220001
Location60 Hospital RoadLeominster, MA 01453 · Worcester County
Emergency services

Umass Memorial Healthcare-Marlborough Hospital

Acute Care Hospitals · Marlborough, MA
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220049
Location157 Union StreetMarlborough, MA 01752 · Middlesex County
Emergency services

Umass Memorial Medical Center/University Campus

Acute Care Hospitals · Worcester, MA
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220163
Location55 Lake Avenue NorthWorcester, MA 01655 · Worcester County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 01655 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.

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.

Emergency Medicine
55 LAKE AVE N
WORCESTER, MA 01655
Nurse Practitioner
55 LAKE AVE N, DEPARTMENT OF RADIOLOGY
WORCESTER, MA 01655
Nurse Anesthetist, Certified Registered
55 LAKE AVE N, DEPARTMENT OF ANESTHESIOLOGY
WORCESTER, MA 01655
Physician Assistant
55 LAKE AVE N
WORCESTER, MA 01655
Internal Medicine
55 LAKE AVE N
WORCESTER, MA 01655
Internal Medicine (Hematology & Oncology)
55 LAKE AVE N
WORCESTER, MA 01655
Anesthesiology
55 LAKE AVE N, ANESTHESIOLOGY
WORCESTER, MA 01655
Anesthesiology
55 LAKE AVE N
WORCESTER, MA 01655

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 Kristen Moulton's NPI number?

The NPI number for Kristen Moulton is 1821559758. It was assigned to this individual provider in the NPPES registry on March 25, 2019.

Where is Kristen Moulton located?

Kristen Moulton practices at 55 Lake Ave N, Worcester, MA 01655. The listed phone number is (508) 334-3068.

What is Kristen Moulton's specialty?

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

Is Kristen Moulton enrolled in Medicare?

Yes. Kristen Moulton 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 Kristen Moulton accept?

Health plans from Anthem Blue Cross and Blue Shield list Kristen Moulton 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 Kristen Moulton affiliated with any hospitals?

According to CMS data, Kristen Moulton is affiliated with Umass Memorial Healthalliance Hospitals, Umass Memorial Healthcare-Marlborough Hospital and Umass Memorial Medical Center/University Campus.

When was this NPI record last updated?

The NPPES record for Kristen Moulton was last updated on March 31, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 months 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.