DEANN L ISHERWOOD CNP, FNP
NPI 1356813398
Nurse Practitioner - Family in Quincy, MA

Active since December 31, 2018PECOS EnrolledAccepts Medicare Assignment
1250 HANCOCK ST FL 3, QUINCY, MA 02169(617) 774-0840 Get Directions Write a Review

NPPES record last updated: March 11, 2019. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Mar 11, 2019, Dec 31, 2018 (2 updates tracked since 2018).

About Deann L Isherwood Cnp, Fnp NPPES

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

DEANN L ISHERWOOD CNP, FNP (NPI 1356813398) is an individual family provider in Quincy, Massachusetts, licensed in Massachusetts (233878) and active in the NPI registry since December 2018. She is enrolled in Medicare PECOS and is a graduate of Other (2018).

NPPES Registry Identity

NPI1356813398
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameDEANN L ISHERWOODCredential: CNP, FNP
Location Address1250 HANCOCK ST FL 3Quincy, MA 02169-4339
Mailing Address1250 Hancock St Fl 3Quincy, MA 02169-4339 · (617) 774-0840
Sole ProprietorNo
Medical School CMSOtherGraduated 2018
Enumeration DateDecember 31, 2018
Last NPPES UpdateMarch 11, 20192 updates tracked since enumeration
✔ NPI 1356813398 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
Licenses✔ Licensed in MA · 233878✔ Licensed in MA · F10180968
1250 HANCOCK ST FL 3, Quincy, MA 02169

Other Identifiers 1

OtherF10180968MA · Aanp

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

Deann L Isherwood Cnp, Fnp 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 ID9830439389
PECOS Enrollment IDI20190319002449
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

3

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

Internal Medicine
1250 HANCOCK ST
Quincy, MA 02169
  • Reassigned Medicare billing, Massachusetts enrollment
  • 1,317 clinicians in this Medicare group
General Acute Care Hospital
55 FRUIT ST, BULFINCH 360
Boston, MA 02114
  • Reassigned Medicare billing, Massachusetts enrollment
  • 6,234 clinicians in this Medicare group
Dermatology
55 FRUIT ST, BUL 2
Boston, MA 02114
  • Reassigned Medicare billing, Massachusetts enrollment
  • 6,360 clinicians in this Medicare group

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 25

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.
153 services110 patients
Insertion of needle into vein for collection of blood sample 36415
This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.
149 services100 patients
Hemoglobin a1c level 83036
Hemoglobin A1c (HbA1c) is a test that measures your average blood sugar level over the past 2-3 months. It's used to monitor how well diabetes is being controlled. High levels may indicate that your diabetes treatment plan needs adjustment.
84 services69 patients
Blood test, lipids (cholesterol and triglycerides) 80061
A lipid panel is a blood test that measures fats and fatty substances, such as cholesterol and triglycerides. These substances are used by your body as a source of energy. High levels can lead to health issues, including heart disease.
71 services62 patients
Removal of fingernails or toenails, 6 or more nails 11721
This procedure involves the removal of six or more fingernails or toenails. It's typically done to treat severe nail infections, persistent pain, or abnormal nail growth. Local anesthesia is used to minimize discomfort. Healing usually takes a few weeks.
65 services32 patients
Blood test, basic group of blood chemicals (calcium, total) 80048
A basic group blood test measures the levels of certain chemicals in your blood, including calcium. This helps assess your overall health and detect potential problems. The procedure involves drawing a small amount of blood from your arm, which is then analyzed in a lab.
56 services50 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02169 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
$111.18 typical visit price
range $21.07 – $155.29
Typical copayment $27.79 (range $5.26 – $38.82)
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.

Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431
DME-Oxygen and Supplies · category DC000N
1 supplier11 claims11 services$13.52 avg. paid by Medicare
Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390
DME-Oxygen and Supplies · category DC002N
1 supplier11 claims11 services$62.01 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

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Allergy & Immunology
1250 HANCOCK ST FL 3
QUINCY, MA 02169

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 Deann Isherwood's NPI number?

The NPI number for Deann Isherwood is 1356813398. It was assigned to this individual provider in the NPPES registry on December 31, 2018.

Where is Deann Isherwood located?

Deann Isherwood practices at 1250 Hancock St Fl 3, Quincy, MA 02169. The listed phone number is (617) 774-0840.

What is Deann Isherwood's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Deann Isherwood enrolled in Medicare?

Yes. Deann Isherwood 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 Deann Isherwood's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Deann Isherwood reassigns Medicare benefits to 3 organizations: Atrius Health, Inc. (Quincy, MA), The General Hospital Corporation (Boston, MA) and Massachusetts General Physicians Organization Inc (Boston, MA). 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 Deann Isherwood's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Deann Isherwood was last updated on March 11, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.