ERIC M. WILLIAMS M.D.
NPI 1265480800
Internal Medicine - Cardiovascular Disease in Lebanon, NH

Q: What is Eric Williams's NPI number?

The NPI number for Eric Williams is 1265480800. It was assigned to this individual provider in the NPPES registry on May 5, 2006.

Q: What is Eric Williams's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.

Q: When was this NPI record last updated?

The NPPES record for Eric Williams was last updated on December 9, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.

Active since May 05, 2006PECOS EnrolledAccepts Medicare Assignment

89.75/100

CMS Quality Rating

1 MEDICAL CENTER DR, DHMC - CARDIOLOGY, LEBANON, NH 03756(603) 650-9491 Get Directions Write a Review

NPPES record last updated: December 9, 2015. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: Dec 9, 2015, Nov 17, 2015 (2 updates tracked since 2015).

On this page

About Eric M. Williams M.d. NPPES

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

ERIC M. WILLIAMS M.D. (NPI 1265480800) is an individual cardiovascular disease provider in Lebanon, New Hampshire, licensed in New Hampshire (17287) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS, is affiliated with Mary Hitchcock Memorial Hospital, and is a graduate of Southern Illinois University School Of Medicine (2004).

NPPES Registry Identity

NPI1265480800

Entity TypeIndividualMale

Primary Taxonomy207RC0000X

Provider Legal NameERIC M. WILLIAMSCredential: M.D.

Location Address1 MEDICAL CENTER DR, DHMC - CARDIOLOGYLebanon, NH 03756-1000

Mailing Address1 Medical Center Dr, Dhmc - CardiologyLebanon, NH 03756-1000 · (603) 650-9491

Phone(603) 650-9491

Sole ProprietorNo

Medical School CMSSouthern Illinois University School Of MedicineGraduated 2004

Enumeration DateMay 5, 2006

Last NPPES UpdateDecember 9, 20152 updates tracked since enumeration

✔ NPI 1265480800 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Cardiovascular DiseaseAllopathic & Osteopathic Physicians

Taxonomy Code207RC0000X

Licenses✔ Licensed in NH · 17287✔ Licensed in IN · 01069562A

Definition

An internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.

1 MEDICAL CENTER DR, Lebanon, NH 03756

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Other Identifiers 3

Medicaid201022470IN

Medicare PIN264430088IN

Medicare PINM400049276IN

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, Harvard Pilgrim Health Care.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

Eric M. Williams M.d. 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 ID7113085747

PECOS Enrollment IDI20151217002230

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

Medicare enrollment records show Eric Williams reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Dartmouth-Hitchcock Clinic

0.2 mi

Internal Medicine

ONE MEDICAL CENTER DR
Lebanon, NH 03756

Reassigned Medicare billing, New Hampshire enrollment
2,999 clinicians in this Medicare group

NPI 1548210198 (603) 650-5000

Mary Hitchcock Memorial Hospital

0.2 mi

General Acute Care Hospital

ONE MEDICAL CENTER DR
Lebanon, NH 03756

Reassigned Medicare billing, New Hampshire enrollment
2,620 clinicians in this Medicare group

NPI 1023092053 (603) 650-5000

Hawaii Permanente Medical Group Inc

5,008 mi

Health Maintenance Organization

3288 MOANALUA RD
Honolulu, HI 96819

Reassigned Medicare billing, Hawaii enrollment
1,187 clinicians in this Medicare group

NPI 1710945969 (808) 432-0000

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 21

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.

Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 93306

This is a heart ultrasound, also known as an echocardiogram. It uses sound waves to create pictures of your heart, showing how blood flows through it. The color depicts the blood flow's speed and direction. It also checks the heart's valves to ensure they're working properly.

527 services523 patients

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010

A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.

280 services233 patients

Exercise or drug-induced heart stress test with electrocardiogram (ecg) with review by physician 93018

An exercise or drug-induced heart stress test with ECG is a procedure to assess how your heart functions under stress. It can involve exercising or medication to make your heart work harder while an ECG records its activity. A physician reviews the results.

265 services262 patients

Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision by physician 93016

An exercise or drug-induced heart stress test with ECG involves monitoring your heart's activity while it's under stress, either from exercise or medication. A doctor supervises the entire procedure to ensure safety and accuracy in results. This test helps detect heart problems.

264 services261 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.

168 services80 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.

163 services133 patients

Ultrasound of heart blood flow, valves and chambers, follow-up 93321

This procedure, an echocardiogram, uses sound waves to create images of your heart. It aids in assessing your heart's blood flow, chambers, and valves. It's a follow-up procedure, ensuring that your heart is functioning properly post-treatment.

144 services141 patients

Ultrasound of heart with color-depicted blood flow, rate and valve function 93325

An ultrasound of the heart, also known as an echocardiogram, uses sound waves to create pictures of your heart. It shows the structure, movement, and blood flow within your heart. This helps assess the heart's health and function, including the valves and rate.

143 services141 patients

Ultrasound of heart, follow-up 93308

A follow-up ultrasound of the heart, also known as an echocardiogram, is a non-invasive test that uses sound waves to create images of your heart. It helps doctors monitor your heart's function and structures after initial assessment or treatment.

102 services99 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.

93 services81 patients

Ct scan of heart structure with contrast 75572

A CT scan of the heart with contrast is a non-invasive test. A dye is injected into your veins, which helps to highlight heart structures in the images. The CT scanner uses X-rays to create detailed pictures of your heart, aiding in diagnosis.

73 services73 patients

Nuclear medicine studies of blood flow in heart muscle at rest and with stress with concurrent ct scan 78431

This is a diagnostic test where a tiny amount of radioactive material is used to examine your heart's blood flow at rest & during stress, alongside a CT scan for detailed images. It helps identify any heart-related issues like blockages or damage.

69 services69 patients

Nuclear medicine study of heart muscle blood flow by pet 78434

A nuclear medicine study of heart muscle blood flow by PET is a non-invasive test that uses a small amount of radioactive substance to create detailed images of your heart's blood flow and function. It helps assess heart health and diagnose heart conditions.

69 services69 patients

Nuclear medicine studies of heart muscle at rest and with stress and spect 78452

Nuclear medicine studies of the heart involve two parts: rest and stress. During rest, images are taken of your heart at ease. During stress, images are taken after exercise or medication-induced stress. SPECT is a special imaging technique providing 3D pictures of your heart, helping identify any issues.

69 services69 patients

Mri scan of heart before and after contrast 75561

An MRI scan of the heart with contrast is a non-invasive imaging test. It uses magnetic fields and radio waves to create detailed pictures of your heart. The contrast dye improves the clarity of these images. This test helps in diagnosing heart conditions.

40 services40 patients

Ultrasound of heart during rest, exercise and/or drug-induced stress with report 93350

This procedure involves using ultrasound imaging to view your heart at rest, during exercise, and/or under drug-induced stress. It helps assess how well your heart responds to exertion. A report of the findings is provided after the test.

38 services38 patients

Ct scan of blood vessels and grafts of heart with contrast 75574

A CT scan of the heart's blood vessels and grafts with contrast is a diagnostic test. A special dye (contrast) is injected into your veins, which helps create clear images of your heart's vessels and grafts. This helps doctors detect blockages or other abnormalities.

29 services29 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 services29 patients

Ultrasound of heart with probe in esophagus, with report 93312

This procedure, called a transesophageal echocardiogram, uses a small probe passed into your esophagus to capture detailed images of your heart. The report provides information about your heart's structure and function.

20 services20 patients

Heart muscle strain imaging 93356

Heart muscle strain imaging is a non-invasive test that uses sound waves to create pictures of your heart. It helps doctors evaluate how well your heart muscle is working and detect any damage or disease. This can aid in diagnosing heart conditions and guiding treatment plans.

20 services20 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.

19 services19 patients

Hospital Affiliations CMS Care Compare 5

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

Mary Hitchcock Memorial Hospital

Acute Care Hospitals · Lebanon, NH

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number300003

Location1 Medical Center DriveLebanon, NH 03756 · Grafton County

Emergency services Birthing friendly

Cheshire Medical Center

Acute Care Hospitals · Keene, NH

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number300019

Location580 Court StreetKeene, NH 03431 · Cheshire County

Emergency services Birthing friendly

Alice Peck Day Memorial Hospital

Critical Access Hospitals · Lebanon, NH

OwnershipVoluntary non-profit - Private

CMS Certification Number301305

Location10 Alice Peck Day DriveLebanon, NH 03766 · Grafton County

Emergency services

Huggins Hospital

Critical Access Hospitals · Wolfeboro, NH

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number301312

Location240 South Main StreetWolfeboro, NH 03894 · Carroll County

Emergency services

Springfield Hospital

Critical Access Hospitals · Springfield, VT

OwnershipVoluntary non-profit - Private

CMS Certification Number471306

LocationPO Box 2003Springfield, VT 05156 · Windsor County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 03756 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

$132.09 typical visit price

range $57.75 – $174.26

Typical copayment $33.02 (range $14.43 – $43.56)

Most-billed visit code 99204

Established Patient

$71.85 typical visit price

range $18.70 – $142.15

Typical copayment $17.96 (range $4.67 – $35.53)

Most-billed visit code 99213

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.

89.75/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Quality

81.37

Promoting Interoperability

100

Improvement Activities

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.

MRS. JANICE M BRENNAN APRN

Nurse Practitioner (Family)

1 MEDICAL CENTER DR, DHMC DEPARTMENT OF OCCUPATION MEDICINE
LEBANON, NH 03756

Grafton County (603) 560-5000

MS. SHELLEY GRACE BENSON R.PH.

Pharmacist (Oncology)

1 MEDICAL CENTER DR
LEBANON, NH 03756

Grafton County (603) 650-5417

ELIAS LOUKAS M.D.

Internal Medicine

1 MEDICAL CENTER DR, DHMC SECTION OF HOSPITAL MEDICINE
LEBANON, NH 03756

Grafton County (603) 650-8380

SARAH S SEO MD

Otolaryngology

1 MEDICAL CENTER DR, OTOLARYNGOLOGY
LEBANON, NH 03756

Grafton County (603) 650-8123

DR. SRINIVAS J. IVATURY MD

Colon & Rectal Surgery

1 MEDICAL CENTER DR, COLON & RECTAL SURGERY DEPARTMENT
LEBANON, NH 03756

Grafton County (603) 650-8113

TIMOTHY EARLEY D.O.

Student in an Organized Health Care Education/Training Program

1 MEDICAL CENTER DR
LEBANON, NH 03756

Grafton County (201) 694-0663

HANNAH ELIZABETH FOOTE BENSIMHON M.D.

Internal Medicine (Cardiovascular Disease)

1 MEDICAL CENTER DR
LEBANON, NH 03756

Grafton County (603) 650-5000

EMILE JOSEPH HASAN M.D.

Student in an Organized Health Care Education/Training Program

1 MEDICAL CENTER DR
LEBANON, NH 03756

Grafton County (603) 650-5000

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 Eric Williams's NPI number?

The NPI number for Eric Williams is 1265480800. It was assigned to this individual provider in the NPPES registry on May 5, 2006.

Where is Eric Williams located?

Eric Williams practices at 1 Medical Center Dr Dhmc - Cardiology, Lebanon, NH 03756. The listed phone number is (603) 650-9491.

What is Eric Williams's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.

Is Eric Williams enrolled in Medicare?

Yes. Eric Williams 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 organizations bill Medicare for Eric Williams's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Eric Williams reassigns Medicare benefits to 3 organizations: Dartmouth-Hitchcock Clinic (Lebanon, NH), Mary Hitchcock Memorial Hospital (Lebanon, NH) and Hawaii Permanente Medical Group Inc (Honolulu, HI). 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 Eric Williams's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Eric Williams accept?

Health plans from Anthem Blue Cross and Blue Shield and Harvard Pilgrim Health Care list Eric Williams 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 Eric Williams affiliated with any hospitals?

According to CMS data, Eric Williams is affiliated with Mary Hitchcock Memorial Hospital, Cheshire Medical Center, Alice Peck Day Memorial Hospital, Huggins Hospital and Springfield Hospital.

When was this NPI record last updated?

The NPPES record for Eric Williams was last updated on December 9, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.