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DR. STEPHANIE LOUISE KOONTZ MD
NPI 1225108160
Obstetrics & Gynecology in Somerville, MA

Active since November 08, 2006PECOS EnrolledAccepts Medicare Assignment
40 HOLLAND ST, SOMERVILLE, MA 02144(617) 629-6330(617) 629-6128 Get Directions Write a Review

NPPES record last updated: July 18, 2011. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Dr. Stephanie Louise Koontz Md NPPES

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

DR. STEPHANIE LOUISE KOONTZ MD (NPI 1225108160) is an individual obstetrics & gynecology provider in Somerville, Massachusetts, licensed in Massachusetts (220863) and active in the NPI registry since November 2006. She is enrolled in Medicare PECOS and is a graduate of Other (2000).

NPPES Registry Identity

NPI1225108160
Entity TypeIndividualFemale
Primary Taxonomy207V00000X
Provider Legal NameDR. STEPHANIE LOUISE KOONTZCredential: MD
Location Address40 HOLLAND STSomerville, MA 02144-2705
Mailing Address40 Holland StreetSomerville, MA 02144 · (617) 629-6330 · Fax (617) 629-6128
Phone(617) 629-6330
Fax(617) 629-6128
Sole ProprietorNo
Medical School CMSOtherGraduated 2000
Enumeration DateNovember 8, 2006
Last NPPES UpdateJuly 18, 2011
✔ NPI 1225108160 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
License✔ Licensed in MA · 220863
Definition
An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.
40 HOLLAND ST, Somerville, MA 02144
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Other Identifiers 2

Medicaid2086115MA
Medicare PINA37584MA

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield.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. Stephanie Louise Koontz 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 ID6800865940
PECOS Enrollment IDI20040927000514
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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02144 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
$144.11 typical visit price
range $63.72 – $189.86
Typical copayment $36.02 (range $15.93 – $47.46)
Most-billed visit code 99204
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.

ELIZABETH AHLBORN NECHEV
Nurse Practitioner
40 HOLLAND ST
SOMERVILLE, MA 02144
Middlesex County (617) 657-6445
HENRY W STOLL PA
Physician Assistant (Medical)
40 HOLLAND ST
SOMERVILLE, MA 02144
Middlesex County (617) 629-6000
D. SCOTT GILBERT PA-C
Physician Assistant
40 HOLLAND ST
SOMERVILLE, MA 02144
Middlesex County (617) 654-7111
STEPHANIE E. NEALY RD, LDN
Dietitian, Registered
40 HOLLAND ST, NUTRITION
SOMERVILLE, MA 02144
Middlesex County (617) 629-6444
MARIA ELIZABETH HEDBERG FNP
Nurse Practitioner (Family)
40 HOLLAND ST
SOMERVILLE, MA 02144
Middlesex County (617) 629-6000
MRS. ANNETTE OHEARN 5532-DO-DO
Technician/Technologist (Optician)
40 HOLLAND ST
SOMERVILLE, MA 02144
Middlesex County (617) 629-6378
SHEENA ANN FREMAULT MACEDO FNP-C
Nurse Practitioner
40 HOLLAND ST
SOMERVILLE, MA 02144
Middlesex County (617) 629-6032
RICHARD MICHALOWSKI DMD
Dentist (General Practice)
40 HOLLAND ST
SOMERVILLE, MA 02144
Middlesex County (617) 629-6080

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 Stephanie Koontz's NPI number?

The NPI number for Stephanie Koontz is 1225108160. It was assigned to this individual provider in the NPPES registry on November 8, 2006.

Where is Stephanie Koontz located?

Stephanie Koontz practices at 40 Holland St, Somerville, MA 02144. The listed phone number is (617) 629-6330.

What is Stephanie Koontz's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Is Stephanie Koontz enrolled in Medicare?

Yes. Stephanie Koontz 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 Stephanie Koontz accept?

Health plans from Anthem Blue Cross and Blue Shield list Stephanie Koontz 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.

When was this NPI record last updated?

The NPPES record for Stephanie Koontz was last updated on July 18, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.