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DR. WILLIAM ALTER D.O.
NPI 1669639779
Obstetrics & Gynecology in Middletown, OH

Active since May 19, 2008PECOS EnrolledAccepts Medicare Assignment
84.5/100
CMS Quality Rating
6147 STATE ROUTE 122 STE 110, MIDDLETOWN, OH 45005(513) 261-3500(513) 261-3509 Get Directions Write a Review

NPPES record last updated: January 27, 2021. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jan 27, 2021, Oct 2, 2019, Feb 11, 2019 (3 updates tracked since 2019).

About Dr. William Alter D.o. NPPES

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

DR. WILLIAM ALTER D.O. (NPI 1669639779) is an individual obstetrics & gynecology provider in Middletown, Ohio, licensed in Ohio (34.009883) and active in the NPI registry since May 2008. He is enrolled in Medicare PECOS, is affiliated with Kettering Health Main Campus, and is a graduate of Other (2006).

NPPES Registry Identity

NPI1669639779
Entity TypeIndividualMale
Primary Taxonomy207V00000X
Provider Legal NameDR. WILLIAM ALTERCredential: D.O.
Location Address6147 STATE ROUTE 122 STE 110Middletown, OH 45005-5201
Mailing Address6147 State Route 122 Ste 110Middletown, OH 45005-5201 · (513) 261-3500 · Fax (513) 261-3509
Phone(513) 261-3500
Fax(513) 261-3509
Sole ProprietorYes
Medical School CMSOtherGraduated 2006
Enumeration DateMay 19, 2008
Last NPPES UpdateJanuary 27, 20213 updates tracked since enumeration
NPPES CertifiedJanuary 27, 2021
✔ NPI 1669639779 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
License✔ Licensed in OH · 34.009883
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.
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X · License 58.002153 (OH)
6147 STATE ROUTE 122 STE 110, Middletown, OH 45005
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Other Identifiers 1

Medicaid3071125OH

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, CareSource, MedMutual and more.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. William Alter D.o. 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 ID5496947426
PECOS Enrollment IDI20101008001135
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.

Hospital Affiliations CMS Care Compare 2

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

Kettering Health Main Campus

Acute Care Hospitals · Kettering, OH
4/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number360079
Location3535 Southern BoulevardKettering, OH 45429 · Montgomery County
Emergency services Birthing friendly

Kettering Health Dayton

Acute Care Hospitals · Dayton, OH
3/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number360133
Location405 Grand AvenueDayton, OH 45405 · Montgomery County
Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 45005 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.

84.5/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality81.16
Promoting Interoperability100
Improvement Activities40
Cost67.18

Other Providers at the Same Location NPPES 3

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

DR. KRISTEN CALDWELL D.O.
Obstetrics & Gynecology
6147 STATE ROUTE 122 STE 110
MIDDLETOWN, OH 45005
Warren County (513) 261-3500
DR. MARK W DAY D.O
Obstetrics & Gynecology
6147 STATE ROUTE 122 STE 110
MIDDLETOWN, OH 45005
Warren County (513) 261-3500
CLAIRE ROSE HEALY DO
Obstetrics & Gynecology
6147 STATE ROUTE 122 STE 110
MIDDLETOWN, OH 45005
Warren County (513) 424-1654

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 William Alter's NPI number?

The NPI number for William Alter is 1669639779. It was assigned to this individual provider in the NPPES registry on May 19, 2008.

Where is William Alter located?

William Alter practices at 6147 State Route 122 Ste 110, Middletown, OH 45005. The listed phone number is (513) 261-3500.

What is William Alter's specialty?

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

Is William Alter enrolled in Medicare?

Yes. William Alter 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 William Alter accept?

Health plans from Anthem Blue Cross and Blue Shield, CareSource, MedMutual, Molina Healthcare and Oscar Health Insurance and 1 other insurer list William Alter 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 William Alter affiliated with any hospitals?

According to CMS data, William Alter is affiliated with Kettering Health Main Campus and Kettering Health Dayton.

When was this NPI record last updated?

The NPPES record for William Alter was last updated on January 27, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.