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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

EILEEN M DEIGNAN MD
NPI 1497723852
Dermatology in Concord, MA

Active since March 10, 2006PECOS EnrolledAccepts Medicare Assignment
290 BAKER AVE, CONCORD, MA 01742(978) 369-9023(978) 371-9675 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Eileen M Deignan Md NPPES

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

EILEEN M DEIGNAN MD (NPI 1497723852) is an individual dermatology provider in Concord, Massachusetts, licensed in Massachusetts (159436) and active in the NPI registry since March 2006. She is enrolled in Medicare PECOS, is affiliated with Emerson Hospital -, and is a graduate of Yale University School Of Medicine (1995).

NPPES Registry Identity

NPI1497723852
Entity TypeIndividualFemale
Primary Taxonomy207N00000X
Provider Legal NameEILEEN M DEIGNANCredential: MD
Location Address290 BAKER AVEConcord, MA 01742-2189
Mailing Address290 Baker AveConcord, MA 01742-2189 · (978) 369-9023 · Fax (978) 371-9675
Phone(978) 369-9023
Fax(978) 371-9675
Sole ProprietorNo
Medical School CMSYale University School Of MedicineGraduated 1995
Enumeration DateMarch 10, 2006
Last NPPES UpdateJuly 13, 2026
✔ NPI 1497723852 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDermatologyAllopathic & Osteopathic Physicians
Taxonomy Code207N00000X
License✔ Licensed in MA · 159436
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.
290 BAKER AVE, Concord, MA 01742
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Other Identifiers 1

Medicaid3203247MA

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

Eileen M Deignan 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 ID1658304290
PECOS Enrollment IDI20100811000315
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 12

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.
900 services686 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.
520 services159 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.
355 services265 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.
232 services195 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.
191 services139 patients
Destruction of skin growth, 1-14 growths 17110
"Destruction of skin growth" refers to a procedure where 1-14 abnormal skin growths are removed. This is done using methods such as freezing, burning, or laser therapy. It helps prevent the growth from causing discomfort or turning into a more serious condition.
124 services105 patients

Hospital Affiliations CMS Care Compare

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

Emerson Hospital -

Acute Care Hospitals · W Concord, MA
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220084
Location133 Old Road To 9 Acre CornerW Concord, MA 01742 · Middlesex County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 01742 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
$97.64 typical visit price
range $63.72 – $189.86
Typical copayment $24.41 (range $15.93 – $47.46)
Most-billed visit code 99203
Established Patient
$78.84 typical visit price
range $21.07 – $155.29
Typical copayment $19.71 (range $5.26 – $38.82)
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.

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.

DR. TERRY P HADLEY M.D.
Dermatology
290 BAKER AVE
CONCORD, MA 01742
Middlesex County (978) 369-9023
CONCORD-CARLISLE DENTAL ASSOCIATES, PC
Dentist (General Practice)
290 BAKER AVE, SUITE 201 SOUTH
CONCORD, MA 01742
Middlesex County (978) 369-3088
CONCORDDENTAL IMPLANTS &PERIODONTICS
Dentist (Periodontics)
290 BAKER AVE, S205
CONCORD, MA 01742
Middlesex County (978) 369-4611
PHYSICAL THERAPY ASSOC OF CONCORD
Physical Therapist
290 BAKER AVE, STE 111
CONCORD, MA 01742
Middlesex County (978) 369-0730
MARK Y WANG DMD PC
Dentist (General Practice)
290 BAKER AVE, SUITE 104
CONCORD, MA 01742
Middlesex County (978) 369-6611
DR. NORMAN LEON GOLDBERG DMD
Dentist (Pediatric Dentistry)
290 BAKER AVE
CONCORD, MA 01742
Middlesex County (978) 369-7771
MATTHEW T ZIPOLI MD
Dermatology (MOHS-Micrographic Surgery)
290 BAKER AVE
CONCORD, MA 01742
Middlesex County (978) 369-9023
CONCORD ORTHOPEDICS, INC
Neuromusculoskeletal Medicine, Sports Medicine
290 BAKER AVE
CONCORD, MA 01742
Middlesex County (978) 369-1337

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 Eileen Deignan's NPI number?

The NPI number for Eileen Deignan is 1497723852. It was assigned to this individual provider in the NPPES registry on March 10, 2006.

Where is Eileen Deignan located?

Eileen Deignan practices at 290 Baker Ave, Concord, MA 01742. The listed phone number is (978) 369-9023.

What is Eileen Deignan's specialty?

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

Is Eileen Deignan enrolled in Medicare?

Yes. Eileen Deignan 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.

Is Eileen Deignan affiliated with any hospitals?

According to CMS data, Eileen Deignan is affiliated with Emerson Hospital -.

When was this NPI record last updated?

The NPPES record for Eileen Deignan was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 40 days 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.