GREGORY W DINWIDDIE PAC
NPI 1578567848
Physician Assistant in Oklahoma City, OK

Active since June 02, 2005PECOS EnrolledAccepts Medicare Assignment
82.99/100
CMS Quality Rating
3300 NW EXPRESSWAY, OKLAHOMA CITY, OK 73112(405) 949-3349 Get Directions Write a Review

NPPES record last updated: July 21, 2022. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Jul 21, 2022, Aug 4, 2017, Jan 11, 2017 and 1 more (4 updates tracked since 2016).

About Gregory W Dinwiddie Pac NPPES

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

GREGORY W DINWIDDIE PAC (NPI 1578567848) is an individual physician assistant in Oklahoma City, Oklahoma, licensed in Oklahoma (1037) and active in the NPI registry since June 2005. He is enrolled in Medicare PECOS, is affiliated with Integris Baptist Medical Center, Inc, and is a graduate of Other (2000).

NPPES Registry Identity

NPI1578567848
Entity TypeIndividualMale
Primary Taxonomy363A00000X
Provider Legal NameGREGORY W DINWIDDIECredential: PAC
Location Address3300 NW EXPRESSWAYOklahoma City, OK 73112-4418
Mailing Address3433 Nw 56th St, Ste 760Oklahoma City, OK 73112-4455 · (405) 951-4345
Sole ProprietorNo
Medical School CMSOtherGraduated 2000
Enumeration DateJune 2, 2005
Last NPPES UpdateJuly 21, 20224 updates tracked since enumeration
NPI 1578567848 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
License Licensed in OK · 1037
Definition
A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.
3300 NW EXPRESSWAY, Oklahoma City, OK 73112

Accepted 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

Gregory W Dinwiddie Pac 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 ID345390191
PECOS Enrollment IDI20090616000805
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.

Areas of Expertise CMS Part B claims 7

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.

Insertion of non-tunneled central venous tube for infusion (5 years or older) 36556
This procedure involves placing a thin tube into a large vein, usually in the neck or chest, to administer medication or fluids. It's done under local anesthesia to minimize discomfort. It's a standard, safe procedure for individuals aged 5 and above.
89 services66 patients
Harvest of vein using an endoscope 33508
Harvesting a vein using an endoscope is a procedure where a small camera is used to help surgeons remove a vein from your body. This vein is often used to bypass a blocked artery, improving blood flow to your heart.
26 services26 patients
Coronary artery bypass using artery graft, 1 graft 33533
A coronary artery bypass with one artery graft is a surgical procedure to improve blood flow to your heart. An artery from another part of your body is used to bypass a blocked or narrowed coronary artery. This can help reduce chest pain and risk of heart attack.
24 services24 patients
Partial destruction and reconstruction of right upper heart chamber 33257
This procedure involves partially destroying and rebuilding the right upper chamber of your heart. It's done to correct irregular heart rhythms or other issues. It's a complex operation performed by expert heart surgeons to improve your heart's function.
19 services19 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.
16 services16 patients
Coronary artery bypass using vein or artery graft, 2 grafts 33518
A coronary artery bypass with 2 grafts is a surgery to improve blood flow to your heart. A surgeon takes a healthy vein or artery from your body and attaches it to the blocked coronary artery. This creates a new path for blood to flow, bypassing the blockage.
14 services14 patients

Hospital Affiliations CMS Care Compare 3

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

Integris Baptist Medical Center, Inc

Acute Care Hospitals · Oklahoma City, OK
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number370028
Location3300 Northwest ExpresswayOklahoma City, OK 73112 · Oklahoma County
Emergency services Birthing friendly

Integris Southwest Medical Center

Acute Care Hospitals · Oklahoma City, OK
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number370106
Location4401 South Western AvenueOklahoma City, OK 73109 · Oklahoma County
Emergency services Birthing friendly

Integris Health Edmond Hospital

Acute Care Hospitals · Edmond, OK
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number370236
Location4801 Integris ParkwayEdmond, OK 73034 · Oklahoma County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 73112 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
$82.46 typical visit price
range $53.00 – $162.61
Typical copayment $20.61 (range $13.25 – $40.65)
Most-billed visit code 99203
Established Patient
$66.48 typical visit price
range $16.68 – $132.40
Typical copayment $16.62 (range $4.17 – $33.10)
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.

82.99/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality87.06
Promoting Interoperability99
Improvement Activities40
Cost57.08

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.

Nurse Practitioner (Acute Care)
3300 NW EXPRESSWAY
OKLAHOMA CITY, OK 73112
Anesthesiology
3300 NW EXPRESSWAY, 2ND FLOOR, DEPARTMENT OF ANESTHESIOLOGY
OKLAHOMA CITY, OK 73112
Physician Assistant
3300 NW EXPRESSWAY
OKLAHOMA CITY, OK 73112
Nurse Practitioner (Neonatal)
3300 NW EXPRESSWAY
OKLAHOMA CITY, OK 73112
Physical Therapy Assistant
3300 NW EXPRESSWAY
OKLAHOMA CITY, OK 73112
Nurse Practitioner (Pediatrics, Critical Care)
3300 NW EXPRESSWAY
OKLAHOMA CITY, OK 73112
Registered Nurse (Emergency)
3300 NW EXPRESSWAY
OKLAHOMA CITY, OK 73112
Registered Nurse
3300 NW EXPRESSWAY
OKLAHOMA CITY, OK 73112

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 Dinwiddie's NPI number?

The NPI number for Gregory Dinwiddie is 1578567848. It was assigned to this individual provider in the NPPES registry on June 2, 2005.

Where is Gregory Dinwiddie located?

Gregory Dinwiddie practices at 3300 NW Expressway, Oklahoma City, OK 73112. The listed phone number is (405) 949-3349.

What is Gregory Dinwiddie's specialty?

The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.

Is Gregory Dinwiddie enrolled in Medicare?

Yes. Gregory Dinwiddie 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 Gregory Dinwiddie accept?

Health plans from Blue Cross Blue Shield of North Dakota, Blue Cross and Blue Shield of Oklahoma, Medica, Mending Health and Sanford Health Plan and 1 other insurer list Gregory Dinwiddie 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 Dinwiddie affiliated with any hospitals?

According to CMS data, Gregory Dinwiddie is affiliated with Integris Baptist Medical Center, Inc, Integris Southwest Medical Center and Integris Health Edmond Hospital.

When was this NPI record last updated?

The NPPES record for Gregory Dinwiddie was last updated on July 21, 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.