DR. CHARLES JOHN HAMMER III M.D.
NPI 1063456226
Dermatology in Littleton, NH

Active since June 16, 2006PECOS EnrolledAccepts Medicare Assignment
76.01/100
CMS Quality Rating
580 SAINT JOHNSBURY RD, DH - DERMATOLOGY, LITTLETON, NH 03561(603) 444-2002 Get Directions Write a Review

NPPES record last updated: December 29, 2013. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Dr. Charles John Hammer Iii M.d. NPPES

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

DR. CHARLES JOHN HAMMER III M.D. (NPI 1063456226) is an individual dermatology provider in Littleton, New Hampshire, licensed in New Hampshire (9247) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS, is affiliated with Mary Hitchcock Memorial Hospital, and is a graduate of University Of Maryland School Of Medicine (1987).

NPPES Registry Identity

NPI1063456226
Entity TypeIndividualMale
Primary Taxonomy207N00000X
Provider Legal NameDR. CHARLES JOHN HAMMER IIICredential: M.D.
Location Address580 SAINT JOHNSBURY RD, DH - DERMATOLOGYLittleton, NH 03561-3437
Mailing Address580 Saint Johnsbury Rd, Dh - DermatologyLittleton, NH 03561-3437 · (603) 444-2002
Sole ProprietorNo
Medical School CMSUniversity Of Maryland School Of MedicineGraduated 1987
Enumeration DateJune 16, 2006
Last NPPES UpdateDecember 29, 2013
NPI 1063456226 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyDermatologyAllopathic & Osteopathic Physicians
Taxonomy Code207N00000X
Licenses Licensed in NH · 9247 Licensed in VT · 042-0008974
Definition

A dermatologist is trained to diagnose and treat pediatric and adult patients with benign and malignant disorders of the skin, mouth, external genitalia, hair and nails, as well as a number of sexually transmitted diseases. The dermatologist has had additional training and experience in the diagnosis and treatment of skin cancers, melanomas, moles and other tumors of the skin, the management of contact dermatitis and other allergic and nonallergic skin disorders, and in the recognition of the skin manifestations of systemic (including internal malignancy) and infectious diseases. Dermatologists have special training in dermatopathology and in the surgical techniques used in dermatology. They also have expertise in the management of cosmetic disorders of the skin such as hair loss and scars and the skin changes associated with aging.

580 SAINT JOHNSBURY RD, Littleton, NH 03561

Other Identifiers 5

Medicare PINBX4435VT
Medicaid80003223NH
Medicare UPINF96015
Medicaid0RE3223VT
Medicare PINRE3223NH

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

Dr. Charles John Hammer Iii 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 ID6103844451
PECOS Enrollment IDI20051105000158
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 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.

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.
1,188 services842 patients
Destruction of precancer skin growth, 2-14 growths 17003
This procedure involves removing 2-14 precancerous skin growths. The growths are treated to prevent them from potentially developing into skin cancer. The process is safe, with minimal discomfort, and promotes healthier skin.
1,025 services231 patients
Destruction of precancer skin growth, 1 growth 17000
"Destruction of precancer skin growth" is a procedure that eliminates a single precancerous skin growth. This is done to prevent it from developing into skin cancer. The growth may be removed using various methods such as cryotherapy (freezing), laser therapy, or topical medications.
373 services307 patients
New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203
This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.
114 services114 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.
107 services88 patients
Biopsy of related skin growth, first growth 11102
A biopsy of a skin growth involves taking a small sample of the growth to examine it under a microscope. This helps determine if the growth is harmful. The procedure is typically quick, with minimal discomfort. It's a crucial step in ensuring your skin's health.
70 services68 patients

Hospital Affiliations CMS Care Compare 4

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

Littleton Regional Healthcare

Critical Access Hospitals · Littleton, NH
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number301302
Location600 St Johnsbury RoadLittleton, NH 03561 · Grafton County
Emergency services

Androscoggin Valley Hospital

Critical Access Hospitals · Berlin, NH
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number301310
Location59 Page Hill RoadBerlin, NH 03570 · Coos County
Emergency services Birthing friendly

Northeastern Vermont Regional Hospital

Critical Access Hospitals · Saint Johnsbury, VT
1/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number471303
Location1315 Hospital DriveSaint Johnsbury, VT 05819 · Caledonia County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 03561 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
$89.14 typical visit price
range $57.75 – $174.26
Typical copayment $22.28 (range $14.43 – $43.56)
Most-billed visit code 99203
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.

76.01/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality65.31
Promoting Interoperability100
Improvement Activities40
Cost54.74

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.

Psychiatry & Neurology (Neurology)
580 SAINT JOHNSBURY RD
LITTLETON, NH 03561
Respiratory Therapist, Certified
580 SAINT JOHNSBURY RD
LITTLETON, NH 03561
Surgery
580 SAINT JOHNSBURY RD
LITTLETON, NH 03561
Nurse Practitioner (Adult Health)
580 SAINT JOHNSBURY RD
LITTLETON, NH 03561
General Practice
580 SAINT JOHNSBURY RD
LITTLETON, NH 03561
Physician Assistant (Medical)
580 SAINT JOHNSBURY RD
LITTLETON, NH 03561
Durable Medical Equipment & Medical Supplies
580 SAINT JOHNSBURY RD
LITTLETON, NH 03561
Advanced Practice Midwife
580 SAINT JOHNSBURY RD
LITTLETON, NH 03561

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 Hammer's NPI number?

The NPI number for Charles Hammer is 1063456226. It was assigned to this individual provider in the NPPES registry on June 16, 2006.

Where is Charles Hammer located?

Charles Hammer practices at 580 Saint Johnsbury Rd Dh - Dermatology, Littleton, NH 03561. The listed phone number is (603) 444-2002.

What is Charles Hammer's specialty?

The primary specialty registered for this NPI is Dermatology with taxonomy code 207N00000X.

Is Charles Hammer enrolled in Medicare?

Yes. Charles Hammer 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 Hammer accept?

Health plans from Ambetter from NH Healthy Families, Anthem Blue Cross and Blue Sheld, Anthem Blue Cross and Blue Shield and Harvard Pilgrim Health Care list Charles Hammer 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 Hammer affiliated with any hospitals?

According to CMS data, Charles Hammer is affiliated with Mary Hitchcock Memorial Hospital, Littleton Regional Healthcare, Androscoggin Valley Hospital and Northeastern Vermont Regional Hospital.

When was this NPI record last updated?

The NPPES record for Charles Hammer was last updated on December 29, 2013. NPI Profile syncs with the weekly NPPES data releases published by CMS.