1. Home
  2. Directory
  3. Missouri
  4. Saint Louis
  5. Internal Medicine
  6. NPI Profile

PY MEDICAL SERVICES OF MO PC
NPI 1316799042
Internal Medicine in Saint Louis, MO

Active since April 04, 2024
10954 KENNERLY RD, SAINT LOUIS, MO 63128(314) 843-4242 Get Directions Write a Review

NPPES record last updated: June 6, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jun 6, 2024, Apr 4, 2024 (2 updates tracked since 2024).

About Py Medical Services Of Mo Pc NPPES

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

PY MEDICAL SERVICES OF MO PC (NPI 1316799042) is a healthcare organization registered as an internal medicine in Saint Louis, Missouri and active in the NPI registry since April 2024. The organization lists Peyman Younesi, Owner, as its authorized official.

NPPES Registry Identity

NPI1316799042
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NamePY MEDICAL SERVICES OF MO PC
Location Address10954 KENNERLY RDSaint Louis, MO 63128-2018
Mailing Address3438 Bell Blvd Ste 301Bayside, NY 11361-1739 · (718) 709-0940 · Fax (516) 441-6768
Phone(314) 843-4242
Organization SubpartNo
Authorized OfficialPeyman YounesiOwner · (718) 709-0940
Enumeration DateApril 4, 2024
Last NPPES UpdateJune 6, 20242 updates tracked since enumeration
NPPES CertifiedJune 6, 2024
✔ NPI 1316799042 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ 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.
10954 KENNERLY RD, Saint Louis, MO 63128
Open in Google Maps ↗

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)

Py Medical Services Of Mo Pc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

5

Medicare enrollment records show 5 clinicians reassign Medicare billing to Py Medical Services Of Mo PC, which bills Medicare for the services they deliver. Of these, 1 practice within 10 miles. They are listed nearest first.

Clinicians, nearest first (5)

Ali Mehdirad, M.D.
Internal Medicine
NPI 1093770257
777 S NEW BALLAS RD SUITE 300E
Saint Louis, MO 63141
(314) 432-7839
✔ PECOS8.4 mi
Kathryn Ries
Nurse Practitioner
NPI 1275071326
3535 SOUTH BROADWAY SUITE 118
Saint Louis, MO 63118
(314) 629-4788
✔ PECOS✔ Accepts Medicare11 mi
Pibi Bouda
Nurse Practitioner
NPI 1235836982
3320 MARSHALL AVE
Saint Louis, MO 63114
(314) 489-5537
✔ PECOS✔ Accepts Medicare13 mi
Andrea Ivy, N.P.
Nurse Practitioner
NPI 1649220104
12800 BOENKER LN
Bridgeton, MO 63044
(314) 551-0338
✔ PECOS✔ Accepts Medicare16 mi
Peyman Younesi, M.D.
Internal Medicine
NPI 1891942645
100 CASTLETON AVE
Staten Island, NY 10301
(718) 709-0940
✔ PECOS✔ Accepts Medicare882 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 Py Medical Services Of Mo PC's NPI number?

The NPI number for Py Medical Services Of Mo PC is 1316799042. It was assigned to this organization in the NPPES registry on April 4, 2024.

Where is Py Medical Services Of Mo PC located?

Py Medical Services Of Mo PC is located at 10954 Kennerly Rd, Saint Louis, MO 63128. The listed phone number is (314) 843-4242.

What is Py Medical Services Of Mo PC's specialty?

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

Is Py Medical Services Of Mo PC enrolled in Medicare?

Yes. Py Medical Services Of Mo PC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Py Medical Services Of Mo PC?

According to the CMS Revalidation Reassignment List (October 2026 release), 5 clinicians in 2 Medicare specialties reassign their Medicare billing to Py Medical Services Of Mo 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 Nurse Practitioner (3) and Internal Medicine (2). Of these, 1 practice 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 Py Medical Services Of Mo PC was last updated on June 6, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.