Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DIABETES AND METABOLISM SPECIALISTS
NPI 1629099247
Internal Medicine - Endocrinology, Diabetes & Metabolism in Shavano Park, TX

Q: What is Diabetes And Metabolism Specialists's NPI number?

The NPI number for Diabetes And Metabolism Specialists is 1629099247. It was assigned to this organization in the NPPES registry on July 21, 2006.

Q: What is Diabetes And Metabolism Specialists's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Endocrinology, Diabetes & Metabolism, with taxonomy code 207RE0101X.

Active since July 21, 2006

4118 POND HILL RD, BUILDING 3, SHAVANO PARK, TX 78231(210) 494-3739(210) 494-4508 Get Directions Write a Review

NPPES record last updated: September 30, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Sep 30, 2026, Oct 2, 2024, Mar 27, 2017 (3 updates tracked since 2017).

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About Diabetes And Metabolism Specialists NPPES

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

DIABETES AND METABOLISM SPECIALISTS (NPI 1629099247) is a healthcare organization registered as an endocrinology, diabetes & metabolism in Shavano Park, Texas and active in the NPI registry since July 2006. The organization maintains a secondary practice location in Boerne and lists Michelle D Welch, M.d., as its authorized official.

NPPES Registry Identity

NPI1629099247

Entity TypeOrganization

Primary Taxonomy207RE0101X

Legal Business NameDIABETES AND METABOLISM SPECIALISTS

Location Address4118 POND HILL RD, BUILDING 3Shavano Park, TX 78231-1281

Mailing Address4118 Pond Hill Rd, Building 3Shavano Park, TX 78231-1281 · (210) 494-3739 · Fax (210) 494-4508

Phone(210) 494-3739

Fax(210) 494-4508

Organization SubpartNo

Authorized OfficialMichelle D WelchM.d. · (210) 494-3739

Enumeration DateJuly 21, 2006

Last NPPES UpdateSeptember 30, 20263 updates tracked since enumeration

NPPES CertifiedSeptember 30, 2026

✔ NPI 1629099247 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Endocrinology, Diabetes & MetabolismAllopathic & Osteopathic Physicians

Taxonomy Code207RE0101X

Definition

An internist who concentrates on disorders of the internal (endocrine) glands such as the thyroid and adrenal glands. This specialist also deals with disorders such as diabetes, metabolic and nutritional disorders, obesity, pituitary diseases and menstrual and sexual problems.

4118 POND HILL RD, Shavano Park, TX 78231

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Secondary Practice Location 1

Location 1101 Woods Of Boerne Blvd Ste 100Boerne, TX 78006-2881 · Phone (210) 494-3739 · Fax (210) 494-4508

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include WellPoint.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Diabetes And Metabolism Specialists is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 10 clinicians reassign Medicare billing to Diabetes And Metabolism Specialists, which bills Medicare for the services they deliver. Of these, 9 practice at this address and 10 within 10 miles. They are listed nearest first.

Clinicians by Medicare Specialty 2

Endocrinology5

Nurse Practitioner5

Clinicians, nearest first (10)

Kelly Nunemaker, APRN

Nurse Practitioner

NPI 1629567896

4118 POND HILL RD
Shavano Park, TX 78231

(210) 494-4508

✔ PECOS✔ Accepts MedicareSame address

Ashley Rangel

Endocrinology

NPI 1801475538

4118 POND HILL RD STE 300
Shavano Park, TX 78231

(210) 494-3739

✔ PECOSSame address

Fernando Reyes San Martin

Endocrinology

NPI 1619506615

4118 POND HILL RD STE 3
Shavano Park, TX 78231

(210) 494-3739

✔ PECOS✔ Accepts MedicareSame address

Sandra Rodriguez, FNP, CDE

Nurse Practitioner

NPI 1366516254

4118 POND HILL RD BLDG 3
Shavano Park, TX 78231

(210) 494-3739

✔ PECOS✔ Accepts MedicareSame address

Joseph Tiscani, DNP, FNP, NP

Nurse Practitioner

NPI 1013246834

4118 POND HILL RD STE 300
Shavano Park, TX 78231

(210) 494-3739

✔ PECOS✔ Accepts MedicareSame address

Michelle Welch, MD

Endocrinology

NPI 1891764957

4118 POND HILL RD STE 300
Shavano Park, TX 78231

(210) 494-3739

✔ PECOS✔ Accepts MedicareSame address

Claudia Spencer

Nurse Practitioner

NPI 1912457292

4118 POND HILL RD BLDG 3
San Antonio, TX 78231

(210) 494-3739

✔ PECOS✔ Accepts MedicareSame address

Daniel Katselnik, MD

Endocrinology

NPI 1861674855

4118 POND HILL RD BLDG 3
Shavano Park, TX 78231

(210) 494-3739

✔ PECOS✔ Accepts MedicareSame address

Dorota Malinowski, M.D.

Endocrinology

NPI 1194747253

4118 POND HILL RD BLDG 3
Shavano Park, TX 78231

(210) 494-3739

✔ PECOS✔ Accepts MedicareSame address

Emy Apruzzese

Nurse Practitioner

NPI 1942741582

17803 LA CANTERA TER APT 12207
San Antonio, TX 78256

(281) 785-3259

✔ PECOS✔ Accepts Medicare2.8 mi

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 Diabetes And Metabolism Specialists's NPI number?

The NPI number for Diabetes And Metabolism Specialists is 1629099247. It was assigned to this organization in the NPPES registry on July 21, 2006.

Where is Diabetes And Metabolism Specialists located?

Diabetes And Metabolism Specialists is located at 4118 Pond Hill Rd Building 3, Shavano Park, TX 78231. The listed phone number is (210) 494-3739.

What is Diabetes And Metabolism Specialists's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Endocrinology, Diabetes & Metabolism, with taxonomy code 207RE0101X.

Is Diabetes And Metabolism Specialists enrolled in Medicare?

Yes. Diabetes And Metabolism Specialists is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Diabetes And Metabolism Specialists?

According to the CMS Revalidation Reassignment List (October 2026 release), 10 clinicians in 2 Medicare specialties reassign their Medicare billing to Diabetes And Metabolism Specialists. A 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 the clinician's services. The largest specialties are Endocrinology (5) and Nurse Practitioner (5). Of these, 9 practice at this address and 10 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

What insurance does Diabetes And Metabolism Specialists accept?

Health plans from WellPoint list Diabetes And Metabolism Specialists 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.

When was this NPI record last updated?

The NPPES record for Diabetes And Metabolism Specialists was last updated on September 30, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 37 days 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.