Charles C Gregory DO

  • Single-specialty group
  • Portland, TX
  • Core specialty: Primary care
NPI1952420804PAC ID6002838919Dmand IDNG-MGR-069880
Total HCPs
3
Physicians (MD/DO)
1
Nurses and PAs
2
Parent org executives
3,293
Practice locations
2
Main site
1500 Wildcat Dr, Portland, TX 78374-2826
Main phone
(361) 643-9800
Specialty areas
Primary care
Website and social

Parent organization

WellMed Medical Management

Brand and division of a system · San Antonio, Texas

Ultimate parent organization

UnitedHealth Group

Healthcare holding company · Eden Prairie, Minnesota

Find the right contacts among 3,293 executives and 3 HCPs

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Charles C Gregory DO is a single-specialty medical group with 2 practice locations in Texas

Charles C Gregory DO (Charles Gregory Do PA) is based in Portland, Texas, part of UnitedHealth Group.

Sources: NPPES NPI Registry (CMS); Doctors and Clinicians National Downloadable File (CMS); Dmand AI Org Hierarchy Data; and Dmand AI Affiliation Data

Bryan Grundhoefer is president of WellMed Medical Management

Dmand AI tracks 3,293 executives and staff leaders at WellMed Medical Management. Waterfall enrichment finds their professional emails, personal emails and mobile numbers.

Source: Dmand AI Executive Data

Charles C Gregory DO's NPI is 1952420804 and its PAC ID is 6002838919

Identifiers
Primary NPI (Type 2)
1952420804NPI Registry (opens in a new tab)
Medicare PAC ID
6002838919
Dmand ID
NG-MGR-069880
Medicare enrollment
Enrolled (PAC ID on file)
Contact
Main site address
1500 Wildcat Dr, Portland, TX 78374-2826
Main phone
(361) 643-9800
Executive emails and mobiles
Get contacts
Classification
Group type
Single-specialty
Core specialty
Primary care
Site structure
Multi-site
Ownership model
Clinician owned
Leadership
Physician-led
Medicare Part B payments
$79,485
Legal name
Charles Gregory Do PA

Sources: NPPES NPI Registry (CMS); Doctors and Clinicians National Downloadable File (CMS); Dmand AI Org Hierarchy Data; Dmand AI Organization Profile Data; and Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data

Charles C Gregory DO is part of UnitedHealth Group

Dmand AI places Charles C Gregory DO under WellMed Medical Management, a brand and division of a system, part of UnitedHealth Group.

  • UnitedHealth GroupHealthcare holding company
  • OptumBrand and division of a system
  • WellMed Medical ManagementBrand and division of a system
  • Charles C Gregory DOSingle-specialty medical group · Portland, TX
  • 344 other medical groups

344 other medical groups are part of WellMed Medical Management

+342 more medical groups in WellMed Medical ManagementAvailable with a free account

Source: Dmand AI Org Hierarchy Data

Org hierarchy

Map Charles C Gregory DO's entire network

See how Charles C Gregory DO connects to UnitedHealth Group: its parent organizations, sister groups and every site of care in between, with the HCPs and leaders at each one.

Charles C Gregory DO has 1 physician among 3 HCPs

Physicians (MD, DO)1
Nurses2

Charles C Gregory DO physicians by specialty

  1. Family medicine1

Share of the group's 1 physicians.

Charles C Gregory DO physicians

View all 3 HCPs

Sources: NPPES NPI Registry (CMS); Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Affiliation Data

Charles C Gregory DO has 2 practice locations in Texas

Charles C Gregory DO practice locations

Sources: Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Practice Data

Full footprint

See every site where Charles C Gregory DO HCPs practice

Open all 2 practice locations with facility phones, patient visits and the HCPs at each site.

Charles C Gregory DO is a primary care group with 2 subspecialties

Primary care is Charles C Gregory DO's core specialty, with nurse practitioner as its main practice type.

Sources: Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Affiliation Data

Dmand AI tracks 1 EHR vendor at Charles C Gregory DO

Vendor and product names for each practice location are available with a free account.

EHR systems at Charles C Gregory DO
SiteEHR vendorProduct
Main siteAvailable with a free accountAvailable with a free account
1 other practice locationAvailable with a free accountAvailable with a free account

Source: Dmand AI Technology Install Data

Primary care groups in Texas similar in size to Charles C Gregory DO

These primary care groups have the closest number of HCPs to Charles C Gregory DO.

See all 4,000 primary care groups in Texas

Sources: Dmand AI Affiliation Data; and Dmand AI Peer Benchmarks

Sources for Charles C Gregory DO data

Sources for the data on this page
Data on this pageSource
NPI, PAC ID and addressNPPES NPI Registry (CMS) (opens in a new tab)Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Dmand ID, phone, website, LinkedIn and group profileDmand AI Org Hierarchy DataDmand AI Organization Profile Data
Medicare Part B paymentsMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
Parent organizations and sister groupsDmand AI Org Hierarchy Data
HCPs and physician specialtiesNPPES NPI Registry (CMS) (opens in a new tab)Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Affiliation Data
Specialty areasDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Affiliation Data
Practice locations and hospitalsDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Practice Data
Executives and departmentsDmand AI Executive Data
EHR vendorsDmand AI Technology Install Data
Similar groupsDmand AI Affiliation DataDmand AI Peer Benchmarks

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Charles C Gregory DO

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Charles C Gregory DO's NPI number?

Charles C Gregory DO's primary NPI (Type 2) is 1952420804.

What is Charles C Gregory DO's PAC ID?

Charles C Gregory DO's Medicare PAC ID is 6002838919, which means the group is enrolled in Medicare.

How many locations does Charles C Gregory DO have?

Dmand AI links Charles C Gregory DO to 2 practice locations in Texas. Its main site is at 1500 Wildcat Dr, Portland, TX 78374-2826.

What is Charles C Gregory DO's phone number?

Charles C Gregory DO's main phone number is (361) 643-9800.

Who owns Charles C Gregory DO?

Dmand AI places Charles C Gregory DO under WellMed Medical Management, a brand and division of a system, part of UnitedHealth Group.

How many physicians does Charles C Gregory DO have?

Dmand AI links 1 physician and 3 HCPs in all to Charles C Gregory DO.

What specialties does Charles C Gregory DO cover?

Charles C Gregory DO is a primary care group with 2 subspecialties. The largest physician specialties are family medicine (1).

Who leads Charles C Gregory DO?

Dmand AI lists Bryan Grundhoefer as president at WellMed Medical Management.

How much does Charles C Gregory DO receive from Medicare?

CMS data shows $79,485 in Medicare Part B payments to Charles C Gregory DO.

What other medical groups are part of WellMed Medical Management?

WellMed Medical Management has 344 other medical groups in Dmand AI, including WellMed Medical Management and WellMed Medical Group.

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