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DR. SAMANTHA HOWARD MAST M.D.
NPI 1962661595
Obstetrics & Gynecology - Maternal & Fetal Medicine in Cincinnati, OH

Active since June 09, 2008PECOS EnrolledAccepts Medicare Assignment
90.38/100
CMS Quality Rating
375 DIXMYTH AVE, 8TH FLOOR SETON CENTER, CINCINNATI, OH 45220(513) 862-6200(513) 862-4358 Get Directions Write a Review

NPPES record last updated: September 29, 2022. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Sep 29, 2022, Nov 15, 2019 (2 updates tracked since 2019).

About Dr. Samantha Howard Mast M.d. NPPES

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

DR. SAMANTHA HOWARD MAST M.D. (NPI 1962661595) is an individual maternal & fetal medicine provider in Cincinnati, Ohio, licensed in Ohio (35091481) and active in the NPI registry since June 2008. She is enrolled in Medicare PECOS, is affiliated with Good Samaritan Hospital, and maintains a secondary practice location in Edgewood.

NPPES Registry Identity

NPI1962661595
Entity TypeIndividualFemale
Primary Taxonomy207VM0101X
Provider Legal NameDR. SAMANTHA HOWARD MASTCredential: M.D.
Location Address375 DIXMYTH AVE, 8TH FLOOR SETON CENTERCincinnati, OH 45220-2475
Mailing AddressPo Box 636406Cincinnati, OH 45263-6406 · (513) 853-4749 · Fax (513) 853-4740
Phone(513) 862-6200
Fax(513) 862-4358
Sole ProprietorNo
Medical School CMSUniversity Of Kentucky College Of DentistryGraduated 2014
Enumeration DateJune 9, 2008
Last NPPES UpdateSeptember 29, 20222 updates tracked since enumeration
NPPES CertifiedSeptember 29, 2022
✔ NPI 1962661595 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & Gynecology · Maternal & Fetal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207VM0101X
Licenses✔ Licensed in OH · 35091481✔ Licensed in IN · 01088046A✔ Licensed in KY · 44190
Definition
An obstetrician/gynecologist who cares for, or provides consultation on, patients with complications of pregnancy. This specialist has advanced knowledge of the obstetrical, medical and surgical complications of pregnancy and their effect on both the mother and the fetus. The specialist also possesses expertise in the most current diagnostic and treatment modalities used in the care of patients with complicated pregnancies.
375 DIXMYTH AVE, Cincinnati, OH 45220
Open in Google Maps ↗

Secondary Practice Location 1

Location 11 Medical Village DrEdgewood, KY 41017-3403 · Phone (859) 301-2445 · Fax (859) 344-5552

Other Identifiers 3

Other35091481OH · License
Medicaid2849314OH
Medicaid7100094650KY

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Buckeye Health Plan, Ambetter from Meridian, Ambetter Health and more.Insurance ›

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

Dr. Samantha Howard Mast 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 ID1951447614
PECOS Enrollment IDI20091009000370, I20151023001645
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

5

Medicare enrollment records show Samantha Mast reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Trihealth H LLC
Same address
Obstetrics
375 DIXMYTH AVE
Cincinnati, OH 45220
  • Reassigned Medicare billing, Ohio enrollment
  • 1,102 clinicians in this Medicare group
NPI 1811215742 (513) 862-3452
Trihealth G LLC
0.1 mi
Internal Medicine
379 DIXMYTH AVE
Cincinnati, OH 45220
  • Reassigned Medicare billing, Ohio enrollment
  • 1,126 clinicians in this Medicare group
NPI 1295862944 (513) 246-7000
Children's Hospital Medical Center
1.1 mi
Pediatrics
3333 BURNET AVENUE
Cincinnati, OH 45229
  • Reassigned Medicare billing, Ohio enrollment
  • 2,080 clinicians in this Medicare group
NPI 1609915784 (513) 636-4225
Christ Hospital Medical Specialists LLC
1.4 mi
Urology
2139 AUBURN AVE
Cincinnati, OH 45219
  • Reassigned Medicare billing, Ohio enrollment
  • 187 clinicians in this Medicare group
NPI 1124341649 (513) 351-9900
St Elizabeth Medical Center, Inc
8.1 mi
Physician Assistant
1360 DOLWICK DRIVE
Erlanger, KY 41018
  • Reassigned Medicare billing, Kentucky enrollment
  • 275 clinicians in this Medicare group
NPI 1932187937 (859) 344-5555

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Hospital Affiliations CMS Care Compare

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

Good Samaritan Hospital

Acute Care Hospitals · Cincinnati, OH
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number360134
Location375 Dixmyth AvenueCincinnati, OH 45220 · Hamilton County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 45220 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
$126.12 typical visit price
range $54.34 – $166.65
Typical copayment $31.53 (range $13.58 – $41.66)
Most-billed visit code 99204
Established Patient
$68.07 typical visit price
range $17.10 – $135.40
Typical copayment $17.01 (range $4.27 – $33.85)
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.

90.38/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality80.76
Promoting Interoperability100
Improvement Activities40

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.

ERYNNE HAMILTON ARPN
Nurse Practitioner (Neonatal)
375 DIXMYTH AVE
CINCINNATI, OH 45220
Hamilton County (513) 862-2514
VICTORIA ELIZABETH SIMON MD
Student in an Organized Health Care Education/Training Program
375 DIXMYTH AVE
CINCINNATI, OH 45220
Hamilton County (513) 862-3562
JACOB CANNAN
Pharmacist (Critical Care)
375 DIXMYTH AVE
CINCINNATI, OH 45220
Hamilton County (513) 862-1400
MR. CASEY MCCONNELL GILMORE PA-C
Physician Assistant
375 DIXMYTH AVE, DEPARTMENT OF EMERGENCY MEDICINE
CINCINNATI, OH 45220
Hamilton County (513) 862-2989
ABIGAIL FAITH SOUTHALL APRN, AGACNP
Nurse Practitioner (Acute Care)
375 DIXMYTH AVE
CINCINNATI, OH 45220
Hamilton County (513) 862-1400
JAMES M MERANUS MD
Radiology (Diagnostic Radiology)
375 DIXMYTH AVE
CINCINNATI, OH 45220
Hamilton County (513) 965-8041
DR. COLLIN MICHAEL HERMAN MD
Psychiatry & Neurology (Neurology)
375 DIXMYTH AVE
CINCINNATI, OH 45220
Hamilton County (513) 865-2246
CHASE GREEN DO
Student in an Organized Health Care Education/Training Program
375 DIXMYTH AVE
CINCINNATI, OH 45220
Hamilton County (513) 862-3562

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 Samantha Mast's NPI number?

The NPI number for Samantha Mast is 1962661595. It was assigned to this individual provider in the NPPES registry on June 9, 2008.

Where is Samantha Mast located?

Samantha Mast practices at 375 Dixmyth Ave 8th Floor Seton Center, Cincinnati, OH 45220. The listed phone number is (513) 862-6200.

What is Samantha Mast's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology, specializing in Maternal & Fetal Medicine, with taxonomy code 207VM0101X.

Is Samantha Mast enrolled in Medicare?

Yes. Samantha Mast 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 Samantha Mast's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Samantha Mast reassigns Medicare benefits to 5 organizations: Trihealth H LLC (Cincinnati, OH), Trihealth G LLC (Cincinnati, OH), Children's Hospital Medical Center (Cincinnati, OH), Christ Hospital Medical Specialists LLC (Cincinnati, OH) and St Elizabeth Medical Center, Inc (Erlanger, KY). 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 Samantha Mast's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Samantha Mast accept?

Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, Ambetter of Tennessee and Anthem Blue Cross and Blue Shield and 3 other insurers list Samantha Mast 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 Samantha Mast affiliated with any hospitals?

According to CMS data, Samantha Mast is affiliated with Good Samaritan Hospital.

When was this NPI record last updated?

The NPPES record for Samantha Mast was last updated on September 29, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.