DR. GREGORY ALAN HAMON MD
NPI 1225033194
Surgery in San Antonio, TX

Q: What is Gregory Hamon's NPI number?

The NPI number for Gregory Hamon is 1225033194. It was assigned to this individual provider in the NPPES registry on June 16, 2005.

Q: What is Gregory Hamon's specialty?

The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.

Q: When was this NPI record last updated?

The NPPES record for Gregory Hamon was last updated on November 4, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 21 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.

Active since June 16, 2005PECOS EnrolledAccepts Medicare Assignment

19016 STONE OAK PKWY STE 220, SAN ANTONIO, TX 78258(210) 627-1904(210) 610-0211 Get Directions Write a Review

NPPES record last updated: November 4, 2024. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Nov 4, 2024, Dec 8, 2019 (2 updates tracked since 2019).

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About Dr. Gregory Alan Hamon Md NPPES

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

DR. GREGORY ALAN HAMON MD (NPI 1225033194) is an individual surgery provider in San Antonio, Texas, licensed in Texas (H8107) and active in the NPI registry since June 2005. He is enrolled in Medicare PECOS, is affiliated with Methodist Hospital, and is a graduate of University Of Texas Southwestern Medical School At Dallas (1989).

NPPES Registry Identity

NPI1225033194

Entity TypeIndividualMale

Primary Taxonomy208600000X

Provider Legal NameDR. GREGORY ALAN HAMONCredential: MD

Location Address19016 STONE OAK PKWY STE 220San Antonio, TX 78258-3281

Mailing Address24723 Clearwater RunSan Antonio, TX 78255-3479 · (210) 787-9048 · Fax (210) 610-0211

Phone(210) 627-1904

Fax(210) 610-0211

Sole ProprietorYes

Medical School CMSUniversity Of Texas Southwestern Medical School At DallasGraduated 1989

Enumeration DateJune 16, 2005

Last NPPES UpdateNovember 4, 20242 updates tracked since enumeration

NPPES CertifiedNovember 4, 2024

✔ NPI 1225033194 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtySurgeryAllopathic & Osteopathic Physicians

Taxonomy Code208600000X

Licenses✔ Licensed in TX · H8107✔ Licensed in CA · A049434

Definition

A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.

Also ListedPhlebologyTaxonomy 202K00000X · License H8107 (TX)

Also ListedSurgery · Vascular SurgeryTaxonomy 2086S0129X · License A049434 (CA), H8107 (TX)

19016 STONE OAK PKWY STE 220, San Antonio, TX 78258

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Other Identifiers 4

Other7131262TX · Aetna Pin

Other8AQ890TX · Bcbstx

Medicaid00A494341CA

Other1961534-01TX · Medicaid Tpi

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections 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. Gregory Alan Hamon 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 ID9830084482

PECOS Enrollment IDI20080320000238

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 3

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.

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.

45 services45 patients

Removal of gallbladder using an endoscope 47562

This procedure, known as endoscopic gallbladder removal, involves a surgeon using a special tool called an endoscope to remove your gallbladder through small incisions. It's typically done to treat gallstones and related complications. It's a less invasive method, often leading to quicker recovery.

18 services18 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.

12 services12 patients

Hospital Affiliations CMS Care Compare 2

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

Methodist Hospital

Acute Care Hospitals · San Antonio, TX

4/5 CMS rating

OwnershipProprietary

CMS Certification Number450388

Location7700 Floyd Curl DrSan Antonio, TX 78229 · Bexar County

Emergency services Birthing friendly

Methodist Hospital Stone Oak

Acute Care Hospitals · San Antonio, TX

4/5 CMS rating

OwnershipProprietary

CMS Certification Number670055

Location1139 E Sonterra Blvd,San Antonio, TX 78258 · Bexar County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 78258 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

$84.92 typical visit price

range $54.84 – $166.88

Typical copayment $21.23 (range $13.71 – $41.72)

Most-billed visit code 99203

Established Patient

$68.55 typical visit price

range $17.52 – $136.11

Typical copayment $17.13 (range $4.38 – $34.02)

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.

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 Hamon's NPI number?

The NPI number for Gregory Hamon is 1225033194. It was assigned to this individual provider in the NPPES registry on June 16, 2005.

Where is Gregory Hamon located?

Gregory Hamon practices at 19016 Stone Oak Pkwy Ste 220, San Antonio, TX 78258. The listed phone number is (210) 627-1904.

What is Gregory Hamon's specialty?

The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.

Is Gregory Hamon enrolled in Medicare?

Yes. Gregory Hamon 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 Hamon accept?

Health plans from Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Superior HealthPlan and Ambetter of Oklahoma and 4 other insurers list Gregory Hamon 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 Hamon affiliated with any hospitals?

According to CMS data, Gregory Hamon is affiliated with Methodist Hospital and Methodist Hospital Stone Oak.

When was this NPI record last updated?

The NPPES record for Gregory Hamon was last updated on November 4, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 21 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.