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

PAUL W WATANAKUNAKORN M.D.
NPI 1275563462
Internal Medicine in Youngstown, OH

Active since July 03, 2006PECOS EnrolledAccepts Medicare Assignment
20 OHLTOWN RD, YOUNGSTOWN, OH 44515(330) 797-9705(330) 270-5997 Get Directions Write a Review

NPPES record last updated: September 29, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Paul W Watanakunakorn M.d. NPPES

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

PAUL W WATANAKUNAKORN M.D. (NPI 1275563462) is an individual internal medicine provider in Youngstown, Ohio, licensed in Ohio (35076990) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS, is affiliated with Musc Medical Center, and is a graduate of Northeastern Ohio University College Of Medicine (1998).

NPPES Registry Identity

NPI1275563462
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NamePAUL W WATANAKUNAKORNCredential: M.D.
Location Address20 OHLTOWN RDYoungstown, OH 44515-2331
Mailing Address20 Ohltown RdYoungstown, OH 44515-2331 · (330) 797-9705 · Fax (330) 270-5997
Fax(330) 270-5997
Sole ProprietorYes
Medical School CMSNortheastern Ohio University College Of MedicineGraduated 1998
Enumeration DateJuly 3, 2006
Last NPPES UpdateSeptember 29, 2026
✔ NPI 1275563462 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in OH · 35076990
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.
20 OHLTOWN RD, Youngstown, OH 44515

Other Identifiers 9

Other001467940OH · Highmark Bc/bs Pa
Other407998OH · United Healthcare
Medicaid2300585OH
Other000000280876OH · Anthem Bc/bs
OtherP00013192OH · Railroad Medicare
OtherZ76990OH · Summacare
Other341341025030OH · Caresource
OtherQ034637OH · Hometown
Other225394OH · Health Assurance

Accepted 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

Paul W Watanakunakorn 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 ID941243760
PECOS Enrollment IDI20231030001169, I20260528002567
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

2

Medicare enrollment records show Paul Watanakunakorn reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Internal Medicine
506 NORTH ST
Bamberg, SC 29003
  • Reassigned Medicare billing, South Carolina enrollment
  • 2,389 clinicians in this Medicare group
Pediatrics
465 W PUTNAM
Porterville, CA 93257
  • Reassigned Medicare billing, California enrollment
  • 11 clinicians in this Medicare group

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

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.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
91 services38 patients

Hospital Affiliations CMS Care Compare 2

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

Musc Medical Center

Acute Care Hospitals · Charleston, SC
2/5 CMS rating
OwnershipGovernment - Hospital District or Authority
CMS Certification Number420004
Location169 Ashley AveCharleston, SC 29425 · Charleston County
Emergency services Birthing friendly

Musc Health Columbia Medical Center Downtown

Acute Care Hospitals · Columbia, SC
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number420026
Location2435 Forest DriveColumbia, SC 29204 · Richland County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 44515 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
$126.12 typical visit price
range $54.34 – $166.65
Typical copayment $31.53 (range $13.58 – $41.66)
Most-billed visit code 99204
Established Patient
$96.44 typical visit price
range $17.10 – $135.40
Typical copayment $24.11 (range $4.27 – $33.85)
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 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Dermatology
20 OHLTOWN RD
YOUNGSTOWN, OH 44515
Clinic/Center (Urgent Care)
20 OHLTOWN RD
AUSTINTOWN, OH 44515
Nurse Practitioner (Family)
20 OHLTOWN RD
AUSTINTOWN, OH 44515
Clinic/Center (Urgent Care)
20 OHLTOWN RD
AUSTINTOWN, OH 44515
Family Medicine
20 OHLTOWN RD, SUITE 2F
YOUNGSTOWN, OH 44515
Clinic/Center (Radiology)
20 OHLTOWN RD, SUITE 103
AUSTINTOWN, OH 44515
Internal Medicine
20 OHLTOWN RD
YOUNGSTOWN, OH 44515
Clinic/Center (Urgent Care)
20 OHLTOWN RD
AUSTINTOWN, OH 44515

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 Paul Watanakunakorn's NPI number?

The NPI number for Paul Watanakunakorn is 1275563462. It was assigned to this individual provider in the NPPES registry on July 3, 2006.

Where is Paul Watanakunakorn located?

Paul Watanakunakorn practices at 20 Ohltown Rd, Youngstown, OH 44515. The listed phone number is (330) 797-9705.

What is Paul Watanakunakorn's specialty?

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

Is Paul Watanakunakorn enrolled in Medicare?

Yes. Paul Watanakunakorn 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 Paul Watanakunakorn's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Paul Watanakunakorn reassigns Medicare benefits to 2 organizations: Musc Community Physicians (Bamberg, SC) and Porterville Community Physicians Inc (Porterville, CA). 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 Paul Watanakunakorn's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Paul Watanakunakorn accept?

Health plans from BlueCross BlueShield of South Carolina, CareSource and UnitedHealthcare list Paul Watanakunakorn 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 Paul Watanakunakorn affiliated with any hospitals?

According to CMS data, Paul Watanakunakorn is affiliated with Musc Medical Center and Musc Health Columbia Medical Center Downtown.

When was this NPI record last updated?

The NPPES record for Paul Watanakunakorn was last updated on September 29, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 25 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.