What is Mark Clayton's NPI number?

Mark Clayton's National Provider Identifier (NPI) is 1528011582, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Mark Clayton's specialty?

Mark Clayton is listed in the NPPES registry with a primary specialty of Developmental - Behavioral Pediatrics Physician (Allopathic & Osteopathic Physicians).

Where is Mark Clayton located?

Mark Clayton's practice location on file with NPPES is 905 W Governor Rd Ste 320, Hershey, PA 17033-2307.

What is Mark Clayton's phone number?

The practice phone number listed in the NPPES registry for Mark Clayton is (717) 531-4751.

Does Mark Clayton accept Medicare?

Mark Clayton is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.

Is Mark Clayton's NPI active?

Yes — Mark Clayton's NPI (1528011582) is active in the NPPES registry as of the last update on 2024-09-04.

IndividualActiveAccepts Medicare

Mark Clayton, MD

NPI 1528011582 · Developmental - Behavioral Pediatrics Physician · Hershey, PA

Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)

Mark Clayton, MD is a Developmental - Behavioral Pediatrics Physician provider in Hershey, PA (NPI 1528011582).

Provider details

NPI number: 1528011582
Entity type: Individual
Primary specialty: Developmental - Behavioral Pediatrics PhysicianAllopathic & Osteopathic Physicians
Credential: MD
Sex: Male
Sole proprietor: No
License: 2008-01521 (NC)

Specialties & taxonomies

Developmental - Behavioral Pediatrics PhysicianPrimary2080P0006XLicense MD058800L (PA)
Allopathic & Osteopathic Physicians
Pediatrics Physician208000000XLicense 2008-01521 (NC)
Allopathic & Osteopathic Physicians
Developmental - Behavioral Pediatrics Physician2080P0006XLicense 2008-01521 (NC)
Allopathic & Osteopathic Physicians

Profile Score

Detailed profile(100/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
20 yrs in NPPES registry
Profile completeness38% of score
100% of core fields populated
Practice footprint23% of score
5 documented practice locations

Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.

Practice location

905 W Governor Rd Ste 320

Hershey, PA 17033-2307

Phone: (717) 531-4751

Street-level locationGet directions

More PA providers

Mailing address

500 University Dr

Hershey, PA 17033-2360

Additional practice locations (4)

2608 E 7th St
Ste B
Charlotte, NC 28204-4375
Phone: (704) 403-2626
100 Medical Park Dr
Suite 310
Concord, NC 28025-2948
Phone: (704) 403-2660
301 Medical Park Dr
Ste 202b
Concord, NC 28025-2981
Phone: (704) 403-2626
709 N Dekalb St
Shelby, NC 28150-3911
Phone: (704) 403-2626

Enumerated: 2006-05-18
Last updated: 2024-09-04
Certified: 2024-09-04

Frequently asked questions

What is Mark Clayton's NPI number?: Mark Clayton's National Provider Identifier (NPI) is 1528011582, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Mark Clayton's specialty?: Mark Clayton is listed in the NPPES registry with a primary specialty of Developmental - Behavioral Pediatrics Physician (Allopathic & Osteopathic Physicians).
Where is Mark Clayton located?: Mark Clayton's practice location on file with NPPES is 905 W Governor Rd Ste 320, Hershey, PA 17033-2307.
What is Mark Clayton's phone number?: The practice phone number listed in the NPPES registry for Mark Clayton is (717) 531-4751.
Does Mark Clayton accept Medicare?: Mark Clayton is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
Is Mark Clayton's NPI active?: Yes — Mark Clayton's NPI (1528011582) is active in the NPPES registry as of the last update on 2024-09-04.

Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.