DR. GLENN R DAVIS MD
NPI 1003806431
Internal Medicine in Spring, TX

Active since October 26, 2005PECOS EnrolledAccepts Medicare Assignment
2255 E MOSSY OAKS RD STE 680, SPRING, TX 77389(281) 537-0300(281) 537-0315 Get Directions Write a Review

NPPES record last updated: October 17, 2022. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Oct 17, 2022, Dec 11, 2019, Mar 5, 2018 (3 updates tracked since 2018).

About Dr. Glenn R Davis Md NPPES

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

DR. GLENN R DAVIS MD (NPI 1003806431) is an individual internal medicine provider in Spring, Texas, licensed in Texas (K5503) and active in the NPI registry since October 2005. He is enrolled in Medicare PECOS, is affiliated with Memorial Hermann Hospital System, and maintains a secondary practice location in Oklahoma City.

NPPES Registry Identity

NPI1003806431
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. GLENN R DAVISCredential: MD
Location Address2255 E MOSSY OAKS RD STE 680Spring, TX 77389-1812
Mailing Address2255 E Mossy Oaks Rd Ste 680Spring, TX 77389-1812 · (281) 537-0300 · Fax (281) 537-0315
Fax(281) 537-0315
Sole ProprietorNo
Medical School CMSBaylor College Of MedicineGraduated 1997
Enumeration DateOctober 26, 2005
Last NPPES UpdateOctober 17, 20223 updates tracked since enumeration
NPPES CertifiedOctober 17, 2022
NPI 1003806431 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Licenses Licensed in TX · K5503 Licensed in OK · 38899
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Also ListedPediatricsTaxonomy 208000000X · License K5503 (TX)
2255 E MOSSY OAKS RD STE 680, Spring, TX 77389

Secondary Practice Location 1

Location 13000 N Grand BlvdOklahoma City, OK 73107-1818 · Phone (405) 632-6688

Other Identifiers 1

Other110240334TX · Medicare Railroad Pin

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

Dr. Glenn R Davis Md 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 ID8527080936
PECOS Enrollment IDI20101014001418, I20221031000163
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 15

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.

Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month 99490
Chronic care management services involve a healthcare professional directing clinical staff in managing your chronic conditions. This includes the first 20 minutes per month of services like medication management, care coordination, and health monitoring to help improve your health and quality of life.
1,285 services135 patients
Chronic care management services for two or more chronic conditions, additional 20 minutes of clinical staff time directed by health care professional, per calendar month 99439
Chronic Care Management services involve regular check-ins with healthcare professionals to manage two or more chronic conditions. It includes an additional 20 minutes of clinical staff time per month, directed by a healthcare professional, to ensure optimal health management.
1,118 services130 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
695 services413 patients
Annual depression screening, 5 to 15 minutes G0444
An annual depression screening is a short, routine evaluation to check for signs of depression. It involves answering a series of questions about your feelings, thoughts, and behaviors. The process takes about 15 minutes and helps detect depression early for better management.
267 services267 patients
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439
An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.
216 services216 patients
Complex chronic care management services for two or more chronic conditions, each additional 60 minutes of clinical staff time directed by health care professional, per calendar month 99489
Complex chronic care management is a service for patients with multiple chronic conditions. It involves an additional 60 minutes per month of clinical staff time directed by a healthcare professional. This service assists in managing your health conditions effectively.
142 services43 patients

Hospital Affiliations CMS Care Compare 4

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

Memorial Hermann Hospital System

Acute Care Hospitals · Houston, TX
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number450184
Location1635 North Loop WestHouston, TX 77008 · Harris County
Emergency services Birthing friendly

Memorial Hermann Memorial City Hospital

Acute Care Hospitals · Houston, TX
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number450610
Location921 GessnerHouston, TX 77024 · Harris County
Emergency services Birthing friendly

Tops Surgical Specialty Hospital

Acute Care Hospitals · Houston, TX
OwnershipPhysician
CMS Certification Number450774
Location17080 Red Oak DriveHouston, TX 77090 · Harris County

Houston Methodist Willowbrook Hospital

Acute Care Hospitals · Houston, TX
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number450844
Location18220 State Highway 249Houston, TX 77070 · Harris County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 77389 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
$134.06 typical visit price
range $58.24 – $176.98
Typical copayment $33.51 (range $14.56 – $44.24)
Most-billed visit code 99204
Established Patient
$102.71 typical visit price
range $18.60 – $143.93
Typical copayment $25.67 (range $4.65 – $35.98)
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.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
11 suppliers27 claims63 services$6.38 avg. paid by Medicare
Lancets, per box of 100 A4259
DME-Medical/Surgical Supplies · category DA000N
6 suppliers13 claims13 services$1.13 avg. paid by Medicare
Supply allowance for therapeutic continuous glucose monitor (cgm), includes all supplies and accessories, 1 month supply = 1 unit of service K0553
DME-Other DME · category DE017N
2 suppliers16 claims16 services$202.69 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 8

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

Family Medicine
2255 E MOSSY OAKS RD STE 680
SPRING, TX 77389
Nurse Practitioner
2255 E MOSSY OAKS RD STE 680
SPRING, TX 77389
Internal Medicine
2255 E MOSSY OAKS RD STE 680
SPRING, TX 77389
Internal Medicine
2255 E MOSSY OAKS RD STE 680
SPRING, TX 77389
Family Medicine
2255 E MOSSY OAKS RD STE 680
SPRING, TX 77389
Internal Medicine
2255 E MOSSY OAKS RD STE 680
SPRING, TX 77389
Internal Medicine
2255 E MOSSY OAKS RD STE 680
SPRING, TX 77389
Family Medicine
2255 E MOSSY OAKS RD STE 680
SPRING, TX 77389

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 Glenn Davis's NPI number?

The NPI number for Glenn Davis is 1003806431. It was assigned to this individual provider in the NPPES registry on October 26, 2005.

Where is Glenn Davis located?

Glenn Davis practices at 2255 E Mossy Oaks Rd Ste 680, Spring, TX 77389. The listed phone number is (281) 537-0300.

What is Glenn Davis's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Glenn Davis enrolled in Medicare?

Yes. Glenn Davis 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 Glenn Davis accept?

Health plans from Blue Cross and Blue Shield of Oklahoma, Blue Cross and Blue Shield of Texas, Mending Health and UnitedHealthcare list Glenn Davis 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 Glenn Davis affiliated with any hospitals?

According to CMS data, Glenn Davis is affiliated with Memorial Hermann Hospital System, Memorial Hermann Memorial City Hospital, Tops Surgical Specialty Hospital and Houston Methodist Willowbrook Hospital.

When was this NPI record last updated?

The NPPES record for Glenn Davis was last updated on October 17, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.