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MICHAEL J DIAMOND M D
NPI 1679735625
Family Medicine in Carrizo Springs, TX

Active since July 01, 2008PECOS EnrolledAccepts Medicare Assignment
704 HOSPITAL DR, CARRIZO SPRINGS, TX 78834(830) 876-2424 Get Directions Write a Review

NPPES record last updated: November 22, 2012. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Michael J Diamond M D NPPES

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

MICHAEL J DIAMOND M D (NPI 1679735625) is an individual family medicine provider in Carrizo Springs, Texas, licensed in Texas (P4565) and active in the NPI registry since July 2008. He is enrolled in Medicare PECOS, is affiliated with Medina Regional Hospital, and is a graduate of University Of Texas Medical School At San Antonio (2008).

NPPES Registry Identity

NPI1679735625
Entity TypeIndividualMale
Primary Taxonomy207Q00000X
Provider Legal NameMICHAEL J DIAMONDCredential: M D
Location Address704 HOSPITAL DRCarrizo Springs, TX 78834-3836
Mailing Address5004 Avenue FAustin, TX 78751-2521 · (214) 536-6416
Phone(830) 876-2424
Sole ProprietorNo
Medical School CMSUniversity Of Texas Medical School At San AntonioGraduated 2008
Enumeration DateJuly 1, 2008
Last NPPES UpdateNovember 22, 2012
✔ NPI 1679735625 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
Licenses✔ Licensed in TX · P4565✔ Licensed in AR · E-6832
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
704 HOSPITAL DR, Carrizo Springs, TX 78834
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Texas.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Michael J Diamond M D 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 ID9133303159
PECOS Enrollment IDI20130403000619
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

5

Medicare enrollment records show Michael Diamond reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Texas Emergency Group LLC
162 mi
Emergency Medicine
2550 N ESPLANADE ST
Cuero, TX 77954
  • Reassigned Medicare billing, Texas enrollment
  • 135 clinicians in this Medicare group
NPI 1699288811 (361) 275-6191
Victoria Emergency Partners LLC
163 mi
Emergency Medicine
1110 N SARAH DEWITT DR
Gonzales, TX 78629
  • Reassigned Medicare billing, Texas enrollment
  • 430 clinicians in this Medicare group
NPI 1164770996 (830) 672-7581
Victoria Emergency Associates LLC
175 mi
Emergency Medicine
506 E SAN ANTONIO ST
Victoria, TX 77901
  • Reassigned Medicare billing, Texas enrollment
  • 153 clinicians in this Medicare group
NPI 1407917164 (361) 575-7441
Concord Medical Group PLLC
368 mi
Emergency Medicine
1602 AVENUE Q
Lubbock, TX 79401
  • Reassigned Medicare billing, Texas enrollment
  • 1,338 clinicians in this Medicare group
NPI 1083630610 (888) 264-0330
Concord Medical Group Of Texas PLLC
368 mi
Emergency Medicine
1602 AVENUE Q
Lubbock, TX 79401
  • Reassigned Medicare billing, Texas enrollment
  • 1,439 clinicians in this Medicare group
NPI 1750790762 (888) 264-0330

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 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.

Emergency department visit with moderate level of medical decision making 99284
An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.
39 services38 patients
Emergency department visit with high level of medical decision making 99285
An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.
35 services35 patients
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010
A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.
14 services14 patients

Hospital Affiliations CMS Care Compare 2

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

Medina Regional Hospital

Critical Access Hospitals · Hondo, TX
OwnershipGovernment - Hospital District or Authority
CMS Certification Number451330
Location3100 Avenue EHondo, TX 78861 · Medina County
Emergency services

Frio Regional Hospital

Critical Access Hospitals · Pearsall, TX
OwnershipVoluntary non-profit - Private
CMS Certification Number451391
Location200 S Ih 35Pearsall, TX 78061 · Frio County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 78834 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
$97.05 typical visit price
range $17.52 – $136.11
Typical copayment $24.26 (range $4.38 – $34.02)
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.

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.

HAROLD CAMPBELL
Surgery
704 HOSPITAL DR
CARRIZO SPRINGS, TX 78834
Dimmit County (830) 876-2446
DIMMIT REGIONAL HOSPITAL
Emergency Medicine
704 HOSPITAL DR
CARRIZO SPRINGS, TX 78834
Dimmit County (830) 876-2424
EMILY GRACIANO MSN, APRN, FNP-BC
Nurse Practitioner (Family)
704 HOSPITAL DR
CARRIZO SPRINGS, TX 78834
Dimmit County (830) 876-2424
CANE GRASS EMERGENCY PHYSICIANS PLLC
Emergency Medicine
704 HOSPITAL DR
CARRIZO SPRINGS, TX 78834
Dimmit County (800) 444-7009
DIMMIT REGIONAL HOSPITAL
Obstetrics & Gynecology
704 HOSPITAL DR
CARRIZO SPRINGS, TX 78834
Dimmit County (830) 876-2424
VERONICA AYALA LUEVANO FNP
Nurse Practitioner (Family)
704 HOSPITAL DR
CARRIZO SPRINGS, TX 78834
Dimmit County (830) 876-2424
DIMMIT REGIONAL HOSPITAL
General Acute Care Hospital (Critical Access)
704 HOSPITAL DR
CARRIZO SPRINGS, TX 78834
Dimmit County (830) 876-2424
CELIA RODRIGUEZ APRN, FNP-BC
Nurse Practitioner
704 HOSPITAL DR
CARRIZO SPRINGS, TX 78834
Dimmit County (830) 876-2424

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 Michael Diamond's NPI number?

The NPI number for Michael Diamond is 1679735625. It was assigned to this individual provider in the NPPES registry on July 1, 2008.

Where is Michael Diamond located?

Michael Diamond practices at 704 Hospital Dr, Carrizo Springs, TX 78834. The listed phone number is (830) 876-2424.

What is Michael Diamond's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Michael Diamond enrolled in Medicare?

Yes. Michael Diamond 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.

Which organizations bill Medicare for Michael Diamond's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Michael Diamond reassigns Medicare benefits to 5 organizations: Texas Emergency Group LLC (Cuero, TX), Victoria Emergency Partners LLC (Gonzales, TX), Victoria Emergency Associates LLC (Victoria, TX), Concord Medical Group PLLC (Lubbock, TX) and Concord Medical Group Of Texas PLLC (Lubbock, TX). 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 Michael Diamond's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Michael Diamond accept?

Health plans from Blue Cross and Blue Shield of Texas list Michael Diamond 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 Michael Diamond affiliated with any hospitals?

According to CMS data, Michael Diamond is affiliated with Medina Regional Hospital and Frio Regional Hospital.

When was this NPI record last updated?

The NPPES record for Michael Diamond was last updated on November 22, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.