ALEJANDRA PEREZ-CHAPMAN DO
NPI 1821738907
Hospitalist in Danville, PA

Q: What is Alejandra Perez-chapman's NPI number?

The NPI number for Alejandra Perez-chapman is 1821738907. It was assigned to this individual provider in the NPPES registry on March 29, 2022.

Q: What is Alejandra Perez-chapman's specialty?

The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.

Active since March 29, 2022PECOS EnrolledAccepts Medicare Assignment

100 N ACADEMY AVE, DANVILLE, PA 17822(570) 214-9585(570) 214-9519 Get Directions Write a Review

NPPES record last updated: July 21, 2025. Verified against the NPPES registry weekly; last sync: November 01, 2026.

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About Alejandra Perez-chapman Do NPPES

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

ALEJANDRA PEREZ-CHAPMAN DO (NPI 1821738907) is an individual hospitalist provider in Danville, Pennsylvania, licensed in Pennsylvania (OS024728) and active in the NPI registry since March 2022. She is enrolled in Medicare PECOS, is affiliated with Geisinger-bloomsburg Hospital, and is a graduate of Other (2022).

NPPES Registry Identity

NPI1821738907

Entity TypeIndividualFemale

Primary Taxonomy208M00000X

Provider Legal NameALEJANDRA PEREZ-CHAPMANCredential: DO

Location Address100 N ACADEMY AVEDanville, PA 17822-0001

Mailing Address100 N Academy AveDanville, PA 17822-4903 · (570) 214-9585 · Fax (570) 214-9519

Phone(570) 214-9585

Fax(570) 214-9519

Sole ProprietorYes

Medical School CMSOtherGraduated 2022

Enumeration DateMarch 29, 2022

Last NPPES UpdateJuly 21, 2025

NPPES CertifiedJuly 21, 2025

✔ NPI 1821738907 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyHospitalistAllopathic & Osteopathic Physicians

Taxonomy Code208M00000X

License✔ Licensed in PA · OS024728

Definition

Hospitalists are physicians whose primary professional focus is the general medical care of hospitalized patients. Their activities include patient care, teaching, research, and leadership related to Hospital Medicine. The term 'hospitalist' refers to physicians whose practice emphasizes providing care for hospitalized patients.

100 N ACADEMY AVE, Danville, PA 17822

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Buckeye Health Plan, Ambetter Health, Ambetter Health of Delaware.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

Alejandra Perez-chapman Do 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 ID9436513728

PECOS Enrollment IDI20251003001888

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

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

Geisinger Clinic

Same address

Surgery

100 N ACADEMY AVE
Danville, PA 17822

Reassigned Medicare billing, Pennsylvania enrollment
4,429 clinicians in this Medicare group

NPI 1255382784 (570) 271-6211

Geisinger-Hm Joint Venture LLC

21 mi

Internal Medicine

255 ROUTE 220 HIGHWAY
Muncy, PA 17756

Reassigned Medicare billing, Pennsylvania enrollment
1,405 clinicians in this Medicare group

NPI 1952076119 (570) 308-2600

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

Hospital Affiliations CMS Care Compare 2

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

Geisinger-Bloomsburg Hospital

Acute Care Hospitals · Bloomsburg, PA

OwnershipVoluntary non-profit - Private

CMS Certification Number390003

Location549 East Fair StreetBloomsburg, PA 17815 · Columbia County

Emergency services Birthing friendly

Geisinger Medical Center

Acute Care Hospitals · Danville, PA

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number390006

Location100 North Academy AvenueDanville, PA 17822 · Montour County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 17822 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

$126.34 typical visit price

range $54.64 – $166.87

Typical copayment $31.58 (range $13.66 – $41.71)

Most-billed visit code 99204

Established Patient

$96.82 typical visit price

range $17.33 – $135.84

Typical copayment $24.20 (range $4.33 – $33.96)

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.

DR. TARA JEAN LOUX MD

Surgery (Pediatric Surgery)