2026 NPPES data Clinical Genetics (M.D.) Physician NPI 1699919589 M.D.
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STEPHANIE SANTORO, M.D.

Clinical Genetics (M.D.) Physician in BOSTON, Massachusetts. CMS National Plan and Provider Enumeration System profile including specialty classification, practice address, and Medicare prescribing data when reported.

Federal data — no proprietary rating. PlainDoctor publishes the actual CMS NPPES and Medicare records — NPI registration, specialty, practice location, and prescribing data — without a composite score or editorial opinion on top. Every field traces to a federal source.
Prescribing volume
35
Medicare Part D claims · Clinical Genetics (M.D.) Physician avg: 261
What the federal data reveals: STEPHANIE SANTORO, M.D. is a Clinical Genetics (M.D.) Physician ([object Object]) practicing in BOSTON, Massachusetts with a Medicare Part D prescribing footprint of 35 claims .

What stands out: STEPHANIE SANTORO, M.D. filed 35 Medicare Part D claims in 2023 across BOSTON, Massachusetts. Every figure on this page comes straight from federal CMS records, with no proprietary rating applied.

Board certification likely (heuristic — not verified)

STEPHANIE SANTORO, M.D. practices in an ABMS-board-eligible specialty and shows active CMS Medicare participation + 2 hospital affiliations — signals consistent with board-certified status. For verified board certification, see CertificationMatters.org (the official ABMS public lookup).

STEPHANIE SANTORO, M.D. at a glance

Quality data not reported

NPI registry status

Active

Issued 04/23/2009

NPI 1699919589

Primary specialty

Clinical Genetics (M.D.) Physician

Niche

825 US NPIs in this specialty

Medicare Part D claims

35 87% vs specialty avg

2023 prescription claims

Specialty avg: 261

Specialty distribution in Massachusetts

How Clinical Genetics (M.D.) Physician compares to other specialties among Massachusetts providers

Massachusetts providers

Clinical Genetics (M.D.) Physician share within Massachusetts

1. Clinical Genetics (M.D.) Physician42%2. Internal medicine21%3. Family medicine17%4. Surgical12%5. Pediatric8%
Clinical Genetics (M.D.) Physician share within Massachusetts

Specialty board-certification context

Estimated specialty board-certified rate — Clinical Genetics (M.D.) Physician (ABMS / AOA reference)

Quality data not reported
Est. board-certified rate
78%
Clinical Genetics (M.D.) Physician ABMS/AOA estimate

Est. board-certified rate (Clinical Genetics (M.D.) Physician) — ABMS / AOA estimate

0%100%78%
Est. board-certified rate (Clinical Genetics (M.D.) Physician) — ABMS / AOA estimate

The Merit-based Incentive Payment System (MIPS) scores providers 0–100 across four performance categories: Quality, Cost, Promoting Interoperability, and Improvement Activities, weighted under 42 CFR §414.1380. Reporting is voluntary for many small practices, so absence of a MIPS score is not a quality signal.

Board certification through an ABMS or AOA member board signals voluntary post-licensure examination plus continuous Maintenance of Certification cycles. Verify any individual provider's status through certificationmatters.org (ABMS) or osteopathic.org (AOA).

STEPHANIE SANTORO, M.D. is a Clinical Genetics (M.D.) Physician provider practicing in BOSTON, Massachusetts, according to the CMS National Plan and Provider Enumeration System (NPPES). Credentials: M.D.. NPI: 1699919589. This profile includes practice location, specialty classification, and organizational affiliations from the CMS provider registry. Provider information is self-reported to CMS and updated monthly.

STEPHANIE SANTORO, M.D. appears in the CMS NPPES registry as a Clinical Genetics (M.D.) Physician provider holding M.D. credentials at 55 FRUIT ST, BOSTON, MA, 02114, with a listed phone of (617) 726-1561. NPI 1699919589 was issued on 04/23/2009. Because NPPES data is self-reported by the provider and refreshed monthly, the address, phone, and specialty reflect what SANTORO most recently submitted to CMS rather than a vetted directory listing, which is why patients should always confirm the practice is still at this location before scheduling.

Medicare Part D records for calendar year 2023 show 35 prescription claims written by this provider, covering N/A Medicare beneficiaries and totaling roughly $3K in drug spend. These figures capture only Medicare Part D — commercial insurance, Medicaid, and cash-pay prescriptions are not included, and any drug-beneficiary cell under 11 is suppressed by CMS for patient privacy.

Clinical Genetics (M.D.) Physician is a narrow specialty nationwide, with 825 enrolled providers across 50 states and an average of 261 Part D claims per prescriber, so the context for interpreting these metrics differs meaningfully from a primary-care baseline. Important: PlainDoctor is a directory of publicly available government data, not medical advice, a malpractice database, or a quality rating. Inclusion here does not imply a recommendation, and absence of complaints or sanctions on this page does not mean none exist — always verify credentials through the NPPES NPI Registry, your state medical board, and the ABMS or AOA before making healthcare decisions.

Practice Address

55 FRUIT ST
BOSTON, MA 02114

Provider Details

NPI 1699919589
Specialty Clinical Genetics (M.D.) Physician
Credentials M.D.
Gender Female
NPI Issued 04/23/2009

Hospital and facility affiliations

Facilities where STEPHANIE SANTORO, M.D. bills Medicare from. Star ratings (1-5) are CMS Hospital Compare's "Hospital overall rating" — a composite of mortality, readmission, patient experience, safety, timely care, and efficient use of medical imaging measures. Source: CMS Care Compare.

MASSACHUSETTS GENERAL PHYSICIANS ORGANIZATION INC
LEXINGTON, MA
THE GENERAL HOSPITAL CORPORATION
BOSTON, MA

Affiliations sourced from CMS Doctors and Clinicians National Downloadable File; hospital ratings from CMS Hospital General Information dataset (cross-referenced by facility name + state).

License & disciplinary context — Massachusetts BORIM 2023 annual report

Aggregate state board data only — NOT a determination of any individual provider's status. The figures below describe statewide disciplinary activity across all ~38K Massachusetts medical licensees in 2023 — they are NOT specific to STEPHANIE SANTORO, M.D.. To verify STEPHANIE SANTORO, M.D.'s current license status, search the BORIM public license lookup directly, or check the Federation of State Medical Boards (FSMB) verification service.

80
Total board actions, Massachusetts 2023
Across 78 cases
2.11
Actions per 1,000 licensees
Massachusetts statewide rate
probation
Most common action type
29 cases

BORIM publishes annual disciplinary statistics as part of public-record reporting under each state's Administrative Procedure Act. See the full breakdown by action type and year on the Massachusetts disciplinary trends page. Cross-checked against FSMB U.S. Medical Regulatory Trends.

Medicare Part D Prescribing Data

CMS Medicare Part D prescriber-level data for calendar year 2023.

35
Total Claims
$3K
Total Drug Cost
N/A
Medicare Beneficiaries

Prescribing Breakdown

30-Day Fills
63
Total Day Supply
1,854
Generic Drug Cost
$427

Patient Demographics

Average Patient Age
27.9 years
Avg HCC Risk Score
0.57

Top Prescribed Drugs (Medicare Part D)

Top drugs by claim count for calendar year 2023. Based on Medicare Part D data only.

Drug Claims
Levothyroxine Sodium
14
Omeprazole
13

* Counts below 11 are suppressed by CMS for patient privacy. Generic names shown where available from CMS Part D data.

Clinical Genetics (M.D.) Physician Overview

How STEPHANIE SANTORO, M.D. fits within the Clinical Genetics (M.D.) Physician landscape nationally.

825
Clinical Genetics (M.D.) Physician Providers in US
50
States with Clinical Genetics (M.D.) Physician
261
Avg Claims per Provider

STEPHANIE SANTORO, M.D.'s 35 claims are below the specialty average of 261.

Nearby Clinical Genetics (M.D.) Physician Providers in Massachusetts

Other clinicians with the same primary specialty enrolled in Massachusetts, drawn from the same CMS NPPES roster as SANTORO.

Compare Clinical Genetics (M.D.) Physician nationally: see state-by-state distribution →

Frequently Asked Questions

What is STEPHANIE SANTORO, M.D.'s specialty?
STEPHANIE SANTORO, M.D. specializes in Clinical Genetics (M.D.) Physician and practices in BOSTON, Massachusetts. Credentials: M.D..
How much does STEPHANIE SANTORO, M.D. prescribe under Medicare Part D?
In 2023, STEPHANIE SANTORO, M.D. wrote 35 Medicare Part D claims totaling $3K in drug costs for N/A beneficiaries.
Where is STEPHANIE SANTORO, M.D. located?
STEPHANIE SANTORO, M.D. is located at 55 FRUIT ST, BOSTON, MA, 02114. Phone: (617) 726-1561.
What is STEPHANIE SANTORO, M.D.'s NPI number?
STEPHANIE SANTORO, M.D.'s National Provider Identifier (NPI) is 1699919589, issued on 04/23/2009.
How many Clinical Genetics (M.D.) Physician providers are there in the US?
There are 825 Clinical Genetics (M.D.) Physician providers across 50 states in the US. The average Clinical Genetics (M.D.) Physician provider writes 261 Medicare Part D claims per year.
What drugs does STEPHANIE SANTORO, M.D. prescribe most often?
Based on 2023 Medicare Part D data, STEPHANIE SANTORO, M.D.'s most frequently prescribed drugs include Levothyroxine Sodium, Omeprazole. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does STEPHANIE SANTORO, M.D. accept Medicare?
STEPHANIE SANTORO, M.D. appears in CMS Medicare data with 35 Part D claims and N/A Medicare beneficiaries in 2023. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify STEPHANIE SANTORO, M.D.'s credentials?
STEPHANIE SANTORO, M.D.'s NPI is 1699919589 with credentials M.D.. You can verify this through the NPPES NPI Registry, check state medical board records, and confirm board certification through the ABMS or AOA.

Data Sources

Provider Directory
CMS National Plan and Provider Enumeration System (NPPES), download.cms.gov/nppes, updated monthly. Contains NPI, specialty, credentials, and practice location.
Specialty Classification
NUCC Health Care Provider Taxonomy (nucc.org), the industry standard for classifying provider specialties in Medicare and Medicaid billing.
Prescribing Data
CMS Medicare Part D Prescriber Public Use File (2023). Includes claims, drug costs, beneficiaries, and opioid prescribing rates.
Limitations
Provider data is self-reported to CMS. Prescribing data reflects Medicare Part D only and does not include commercial insurance, Medicaid, or cash prescriptions. Claims below 11 beneficiaries are suppressed by CMS for privacy.

See our complete data methodology for details on how we collect and process government data.

Data as of April 2026 (NPPES) / 2023 (Medicare Part D). Source: Centers for Medicare & Medicaid Services (CMS).

Disclaimer: Data from CMS NPPES and Medicare Part D. PlainDoctor does not rate or rank providers. Provider information is self-reported and may not be current. Always verify information directly with the provider. About · Methodology