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ULSTER PHYSICIAN MEDICINE SERVICES PC
NPI 1194608489
Internal Medicine in Middletown, NY

Active since July 26, 2025
707 E MAIN ST, MIDDLETOWN, NY 10940(845) 333-1000(845) 333-2329 Get Directions Write a Review

NPPES record last updated: September 16, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Ulster Physician Medicine Services Pc NPPES

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

ULSTER PHYSICIAN MEDICINE SERVICES PC (NPI 1194608489) is a healthcare organization registered as an internal medicine in Middletown, New York and active in the NPI registry since July 2025. The organization maintains a secondary practice location in Harris and lists David Schillinger, Owner/president, as its authorized official.

NPPES Registry Identity

NPI1194608489
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameULSTER PHYSICIAN MEDICINE SERVICES PC
Location Address707 E MAIN STMiddletown, NY 10940-2650
Mailing Address200 Corporate BlvdLafayette, LA 70508-3870 · (800) 893-9698
Phone(845) 333-1000
Fax(845) 333-2329
Organization SubpartNo
Authorized OfficialDavid SchillingerOwner/president · (337) 609-1221
Enumeration DateJuly 26, 2025
Last NPPES UpdateSeptember 16, 2025
NPPES CertifiedSeptember 16, 2025
✔ NPI 1194608489 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 4

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
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 ListedHospitalistTaxonomy 208M00000X
Also ListedPhysician AssistantTaxonomy 363A00000X
Also ListedNurse PractitionerTaxonomy 363L00000X
707 E MAIN ST, Middletown, NY 10940
Open in Google Maps ↗

Secondary Practice Location 1

Location 168 Harris RdHarris, NY 12742-5030 · Phone (845) 794-3300 · Fax (845) 794-3240

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Ulster Physician Medicine Services Pc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

78

Medicare enrollment records show 78 clinicians reassign Medicare billing to Ulster Physician Medicine Services PC, which bills Medicare for the services they deliver. Of these, 34 practice at this address and 41 within 10 miles. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 5

Hospitalist39
Internal Medicine23
Nurse Practitioner12
Family Practice3
Sleep Medicine1

Nearest to this location (20)

See all 78
Aditya Agarwal, DO
Hospitalist
NPI 1760042543
707 E MAIN ST
Middletown, NY 10940
(845) 333-6333
✔ PECOS✔ Accepts MedicareSame address
Susan Agugua-Anyene, FNP
Nurse Practitioner
NPI 1710442504
707 E MAIN ST
Middletown, NY 10940
(845) 333-7575
✔ PECOS✔ Accepts MedicareSame address
Daniela Andreca, M.D.
Hospitalist
NPI 1093978157
707 E MAIN ST
Middletown, NY 10940
(845) 333-3370
✔ PECOS✔ Accepts MedicareSame address
Yaw Baah, M.D.
Internal Medicine
NPI 1477710408
707 E MAIN ST
Middletown, NY 10940
(845) 333-3370
✔ PECOS✔ Accepts MedicareSame address
Christian De Elia, DO
Hospitalist
NPI 1487184651
707 E MAIN ST
Middletown, NY 10940
(845) 333-3370
✔ PECOS✔ Accepts MedicareSame address
Ayfer Ekiz, M.D.
Hospitalist
NPI 1427443795
707 E MAIN ST
Middletown, NY 10940
(845) 333-3370
✔ PECOS✔ Accepts MedicareSame address
Jermeen El-Zabet, DO
Hospitalist
NPI 1902541436
707 E MAIN ST
Middletown, NY 10940
(845) 333-3370
✔ PECOS✔ Accepts MedicareSame address
Khin Hnin, MD
Hospitalist
NPI 1043475080
707 E MAIN ST
Middletown, NY 10940
(845) 333-3370
✔ PECOS✔ Accepts MedicareSame address
Amir Islam, FNP
Nurse Practitioner
NPI 1205322369
707 E MAIN ST
Middletown, NY 10940
(845) 333-3370
✔ PECOS✔ Accepts MedicareSame address
Kevin Joseph, DO
Hospitalist
NPI 1427639707
707 E MAIN ST
Middletown, NY 10940
(845) 333-7373
✔ PECOS✔ Accepts MedicareSame address
Erum Khan, MD
Hospitalist
NPI 1609172360
707 E MAIN ST
Middletown, NY 10940
(845) 333-3370
✔ PECOS✔ Accepts MedicareSame address
Najmi Khan, MD
Internal Medicine
NPI 1356307961
707 E MAIN ST
Middletown, NY 10940
(845) 333-3370
✔ PECOS✔ Accepts MedicareSame address
Tehmina Khan, MD
Hospitalist
NPI 1952659161
707 E MAIN ST
Middletown, NY 10940
(845) 333-3370
✔ PECOS✔ Accepts MedicareSame address
Annie Lee, M.D.
Internal Medicine
NPI 1043218795
707 E MAIN ST
Middletown, NY 10940
(845) 333-3370
✔ PECOS✔ Accepts MedicareSame address
Elton Llukani, M.D.
Hospitalist
NPI 1982101614
707 E MAIN ST
Middletown, NY 10940
(845) 333-3370
✔ PECOS✔ Accepts MedicareSame address
Douglas Ogumbo, FNP
Nurse Practitioner
NPI 1205227352
707 E MAIN ST
Middletown, NY 10940
(845) 333-3370
✔ PECOS✔ Accepts MedicareSame address
Krunal Patel, DO
Internal Medicine
NPI 1174210249
707 E MAIN ST
Middletown, NY 10940
(845) 333-7373
✔ PECOS✔ Accepts MedicareSame address
Nicholas Powell, FNP-BC
Nurse Practitioner
NPI 1255827929
707 E MAIN ST
Middletown, NY 10940
(845) 333-3370
✔ PECOS✔ Accepts MedicareSame address
Antonia Urciuoli, NP
Nurse Practitioner
NPI 1811773617
707 E MAIN ST
Middletown, NY 10940
(845) 333-3370
✔ PECOS✔ Accepts MedicareSame address
Shiqing Yan, MD
Internal Medicine
NPI 1659630705
707 E MAIN ST
Middletown, NY 10940
(845) 333-3370
✔ PECOS✔ Accepts MedicareSame address
See all 78 clinicians

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 Ulster Physician Medicine Services PC's NPI number?

The NPI number for Ulster Physician Medicine Services PC is 1194608489. It was assigned to this organization in the NPPES registry on July 26, 2025.

Where is Ulster Physician Medicine Services PC located?

Ulster Physician Medicine Services PC is located at 707 E Main St, Middletown, NY 10940. The listed phone number is (845) 333-1000.

What is Ulster Physician Medicine Services PC's specialty?

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

Is Ulster Physician Medicine Services PC enrolled in Medicare?

Yes. Ulster Physician Medicine Services PC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Ulster Physician Medicine Services PC?

According to the CMS Revalidation Reassignment List (October 2026 release), 78 clinicians in 5 Medicare specialties reassign their Medicare billing to Ulster Physician Medicine Services PC. 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 Hospitalist (39), Internal Medicine (23) and Nurse Practitioner (12). Of these, 34 practice at this address and 41 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Ulster Physician Medicine Services PC was last updated on September 16, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.