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DR. GREGORY SCOTT MANGEN DO
NPI 1386856581
Hospitalist in Kettering, OH

Active since May 03, 2007PECOS Enrolled
3535 SOUTHERN BLVD, KETTERING, OH 45429(937) 395-6665(937) 395-6668 Get Directions Write a Review

NPPES record last updated: December 6, 2024. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Dec 6, 2024, May 5, 2023, Jan 14, 2021 and 2 more (5 updates tracked since 2019).

About Dr. Gregory Scott Mangen Do NPPES

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

DR. GREGORY SCOTT MANGEN DO (NPI 1386856581) is an individual hospitalist provider in Kettering, Ohio, licensed in Ohio (34.008862) and active in the NPI registry since May 2007. He is enrolled in Medicare PECOS, is affiliated with Mount Carmel East & West, and maintains a secondary practice location in Columbus.

NPPES Registry Identity

NPI1386856581
Entity TypeIndividualMale
Primary Taxonomy208M00000X
Provider Legal NameDR. GREGORY SCOTT MANGENCredential: DO
Location Address3535 SOUTHERN BLVDKettering, OH 45429-1221
Mailing Address1 Prestige Pl Ste 550Miamisburg, OH 45342-6115
Phone(937) 395-6665
Fax(937) 395-6668
Sole ProprietorNo
Medical School CMSOtherGraduated 2004
Enumeration DateMay 3, 2007
Last NPPES UpdateDecember 6, 20245 updates tracked since enumeration
NPPES CertifiedDecember 6, 2024
✔ NPI 1386856581 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyHospitalistAllopathic & Osteopathic Physicians
Taxonomy Code208M00000X
License✔ Licensed in OH · 34.008862
Definition
Hospitalists are physicians whose primary professional focus is the general medical care of hospitalized patients. Their activities include patient care, teaching, research, and leadership related to Hospital Medicine. The term 'hospitalist' refers to physicians whose practice emphasizes providing care for hospitalized patients.
Also ListedInternal MedicineTaxonomy 207R00000X · License 34.008862 (OH)
3535 SOUTHERN BLVD, Kettering, OH 45429
Open in Google Maps ↗

Secondary Practice Location 1

Location 1793 W State St, Room 3N09Columbus, OH 43222-1551 · Phone (614) 234-3824

Other Identifiers 1

Medicaid2769133OH

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, CareSource, Molina Healthcare 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 (PECOS)

Dr. Gregory Scott Mangen Do is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID9931293321
PECOS Enrollment IDI20070917000036
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

9

Medicare enrollment records show Gregory Mangen reassigns Medicare billing to 9 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Kettering Independent Medical Group Inc
4.7 mi
Orthopaedic Surgery
1 PRESTIGE PL, SUITE 910
Miamisburg, OH 45342
  • Reassigned Medicare billing, Ohio enrollment
  • 984 clinicians in this Medicare group
NPI 1629387865 (937) 762-1629
Usacs Integrated Acute Care Services Of Ohio, LLC
26 mi
Internal Medicine
100 MEDICAL CENTER DR
Springfield, OH 45504
  • Reassigned Medicare billing, Ohio enrollment
  • 494 clinicians in this Medicare group
NPI 1043805690 (844) 474-4019
Columbus Inpatient Care Inc.
60 mi
Internal Medicine
5300 N MEADOWS DR STE 7023
Grove City, OH 43123
  • Reassigned Medicare billing, Ohio enrollment
  • 53 clinicians in this Medicare group
NPI 1467430801 (937) 509-5090
Ohiohealth Corporation
66 mi
Family Medicine
3535 OLENTANGY RIVER RD
Columbus, OH 43214
  • Reassigned Medicare billing, Ohio enrollment
  • 3,314 clinicians in this Medicare group
NPI 1578545273 (614) 533-5500
Hospitalist Medicine Physicians Of Ohio-Columbus II Professional Corp
68 mi
Internal Medicine
272 HOSPITAL RD
Chillicothe, OH 45601
  • Reassigned Medicare billing, Ohio enrollment
  • 204 clinicians in this Medicare group
NPI 1861038069 (740) 779-7500
Hospitalist Medicine Physicians Of Ohio, Professional Corporation
74 mi
Internal Medicine
6001 E BROAD ST
Columbus, OH 43213
  • Reassigned Medicare billing, Ohio enrollment
  • 776 clinicians in this Medicare group
NPI 1043572290 (614) 234-7535
NW Ohio Hospital Medicine Physicians LLC
96 mi
Emergency Medicine
1900 S MAIN ST
Findlay, OH 45840
  • Reassigned Medicare billing, Ohio enrollment
  • 109 clinicians in this Medicare group
NPI 1023794377 (419) 423-4500
Knox Community Hospital
104 mi
Home Health
307 VERNEDALE DR STE A
Mount Vernon, OH 43050
  • Reassigned Medicare billing, Ohio enrollment
  • 191 clinicians in this Medicare group
NPI 1720251325 (740) 399-3748
Hospitalist Medicine Physicians Of Richland County, Ltd
167 mi
Internal Medicine
1320 MERCY DR NW
Canton, OH 44708
  • Reassigned Medicare billing, Ohio enrollment
  • 456 clinicians in this Medicare group
NPI 1639119027 (330) 489-1000

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 5

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.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
255 services125 patients
Hospital discharge day management, more than 30 minutes 99239
Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.
120 services118 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
48 services28 patients
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
11 services11 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
11 services11 patients

Hospital Affiliations CMS Care Compare 4

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

Mount Carmel East & West

Acute Care Hospitals · Columbus, OH
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number360035
Location6001 East Broad StreetColumbus, OH 43213 · Franklin County
Emergency services Birthing friendly

Blanchard Valley Hospital

Acute Care Hospitals · Findlay, OH
4/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number360095
Location1900 South Main StreetFindlay, OH 45840 · Hancock County
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

Adena Regional Medical Center

Acute Care Hospitals · Chillicothe, OH
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number360159
Location272 Hospital RoadChillicothe, OH 45601 · Ross County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 45429 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
$96.44 typical visit price
range $17.10 – $135.40
Typical copayment $24.11 (range $4.27 – $33.85)
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 3

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$13.82 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
4 suppliers48 claims48 services$76.15 avg. paid by Medicare
Portable oxygen concentrator, rental E1392
DME-Oxygen and Supplies · category DC002N
3 suppliers43 claims43 services$31.83 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 20

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

RAGHEED KATKHUDA MD
Pediatrics (Neonatal-Perinatal Medicine)
3535 SOUTHERN BLVD
KETTERING, OH 45429
Montgomery County (937) 752-2304
ANNEMARIE ROSE UNDERWOOD PA-C
Physician Assistant
3535 SOUTHERN BLVD
DAYTON, OH 45429
Montgomery County (937) 395-8166
SYLVIA POLENAKOVIK M.D.
Internal Medicine
3535 SOUTHERN BLVD
DAYTON, OH 45429
Montgomery County (937) 395-6665
SUSAN KAY ZANN RNFS
Registered Nurse (Registered Nurse First Assistant)
3535 SOUTHERN BLVD
KETTERING, OH 45429
Montgomery County (937) 395-8608
SWATHI DATLA M.B.B.S.
Hospitalist
3535 SOUTHERN BLVD
KETTERING, OH 45429
Montgomery County (937) 395-6665
DR. LOREN ANN NALLU MD
Pediatrics (Neonatal-Perinatal Medicine)
3535 SOUTHERN BLVD
KETTERING, OH 45429
Montgomery County (937) 752-2304
DR. JEREMY LAWTON CHAPMAN D.O.
Hospitalist
3535 SOUTHERN BLVD
KETTERING, OH 45429
Montgomery County (937) 395-6665
DR. RAHUL RAO DO
Radiology (Diagnostic Radiology)
3535 SOUTHERN BLVD
DAYTON, OH 45429
Montgomery County (937) 395-8627

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 Gregory Mangen's NPI number?

The NPI number for Gregory Mangen is 1386856581. It was assigned to this individual provider in the NPPES registry on May 3, 2007.

Where is Gregory Mangen located?

Gregory Mangen practices at 3535 Southern Blvd, Kettering, OH 45429. The listed phone number is (937) 395-6665.

What is Gregory Mangen's specialty?

The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.

Is Gregory Mangen enrolled in Medicare?

Yes. Gregory Mangen is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Gregory Mangen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Gregory Mangen reassigns Medicare benefits to 9 organizations: Kettering Independent Medical Group Inc (Miamisburg, OH), Usacs Integrated Acute Care Services Of Ohio, LLC (Springfield, OH), Columbus Inpatient Care Inc. (Grove City, OH), Ohiohealth Corporation (Columbus, OH), Hospitalist Medicine Physicians Of Ohio-Columbus II Professional Corp (Chillicothe, OH) and 4 more organizations, listed in the Medicare section above. 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 Gregory Mangen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Gregory Mangen accept?

Health plans from Anthem Blue Cross and Blue Shield, CareSource, Molina Healthcare, Oscar Health Insurance and Oscar Insurance Corporation of Ohio list Gregory Mangen 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 Gregory Mangen affiliated with any hospitals?

According to CMS data, Gregory Mangen is affiliated with Mount Carmel East & West, Blanchard Valley Hospital, Kettering Health Dayton and Adena Regional Medical Center.

When was this NPI record last updated?

The NPPES record for Gregory Mangen was last updated on December 6, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 22 months 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.