DR. JOYANN ALLISON KROSER M.D.
NPI 1285693507
Internal Medicine - Gastroenterology in Glen Mills, PA

Q: What is Joyann Kroser's NPI number?

The NPI number for Joyann Kroser is 1285693507. It was assigned to this individual provider in the NPPES registry on March 23, 2006.

Q: What is Joyann Kroser's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Q: When was this NPI record last updated?

The NPPES record for Joyann Kroser was last updated on August 5, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.

Active since March 23, 2006PECOS EnrolledAccepts Medicare Assignment

500 EVERGREEN DR STE 26, GLEN MILLS, PA 19342(610) 619-7475(610) 619-7477 Get Directions Write a Review

NPPES record last updated: August 5, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

On this page

About Dr. Joyann Allison Kroser M.d. NPPES

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

DR. JOYANN ALLISON KROSER M.D. (NPI 1285693507) is an individual gastroenterology provider in Glen Mills, Pennsylvania, licensed in Pennsylvania (MD048015L) and active in the NPI registry since March 2006. She is enrolled in Medicare PECOS, is affiliated with Chester County Hospital, and is a graduate of Medical College Of Pennsylvania (1990).

NPPES Registry Identity

NPI1285693507

Entity TypeIndividualFemale

Primary Taxonomy207RG0100X

Provider Legal NameDR. JOYANN ALLISON KROSERCredential: M.D.

Location Address500 EVERGREEN DR STE 26Glen Mills, PA 19342-1032

Mailing Address500 Evergreen Dr Ste 26Glen Mills, PA 19342-1032 · (610) 619-7475 · Fax (610) 619-7477

Phone(610) 619-7475

Fax(610) 619-7477

Sole ProprietorNo

Medical School CMSMedical College Of PennsylvaniaGraduated 1990

Enumeration DateMarch 23, 2006

Last NPPES UpdateAugust 5, 2025

NPPES CertifiedAugust 5, 2025

✔ NPI 1285693507 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians

Taxonomy Code207RG0100X

License✔ Licensed in PA · MD048015L

Definition

An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.

500 EVERGREEN DR STE 26, Glen Mills, PA 19342

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Other Identifiers 9

Other01571597-07PA · Americhoice

Other1005328PA · Keystone Mercy

Other170125PA · Personal Choice

Other33676MD048015LPA · Health Partners

Other3Y1712PA · Phs Health Net

Other319407PA · Aetna Ushc Scp

Other0278295000PA · Keystone Hpe

Medicaid1571597PA

OtherKR170125PA · Blue Shield/pa

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from NH Healthy Families, Ambetter from Sunflower Health Plan, Ambetter Health and more.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

Dr. Joyann Allison Kroser 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 ID1254221997

PECOS Enrollment IDI20040317000817

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 Joyann Kroser reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Christiana Care Pennsylvania Inc

0.1 mi

Surgery

300 EVERGREEN DR STE 330
Glen Mills, PA 19342

Reassigned Medicare billing, Pennsylvania enrollment
217 clinicians in this Medicare group

NPI 1871465419 (302) 623-7362

Prospect Health Access Network, Inc.

1.4 mi

Physical Medicine & Rehabilitation

485 BALTIMORE PIKE, SUITE 202
Glen Mills, PA 19342

Reassigned Medicare billing, Pennsylvania enrollment
654 clinicians in this Medicare group

NPI 1083061006 (610) 588-9222

Christiana Care Health Services Inc

16 mi

Gastroenterology

4755 OGLETOWN STANTON RD, CHRISTIANA HOSPITAL
Newark, DE 19718

Reassigned Medicare billing, Delaware enrollment
29 clinicians in this Medicare group

NPI 1487083069 (302) 733-1000

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 12

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 moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

199 services160 patients

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.

101 services85 patients

Removal of polyps or growths of large bowel using an endoscope with mechanical snare 45385

This procedure involves using a thin, flexible tube called an endoscope to examine the large bowel. If any abnormal growths or polyps are found, a tool called a mechanical snare is used to remove them. This is a common method to prevent potential health issues.

49 services49 patients

Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43239

This procedure involves using a thin, flexible tube with a light and camera, known as an endoscope, to examine the esophagus, stomach, and upper part of the small intestine. Small tissue samples are taken for further examination to help diagnose various conditions.

45 services45 patients

Diagnostic exam of large bowel using a flexible endoscope 45378

This procedure, known as a colonoscopy, involves using a flexible tube with a light and camera to examine the large intestine. It helps detect any abnormalities such as polyps or inflammation. It's a standard procedure to ensure gut health.

33 services32 patients

Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk G0121

Colorectal cancer screening, such as a colonoscopy, is a preventive measure to detect early signs of cancer in the large intestine. For individuals not at high risk, it's typically recommended at age 50. A small, flexible tube with a camera is used to examine your colon. It's a safe, effective way to catch issues early.

29 services29 patients

Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99231

Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.

24 services20 patients

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222

Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.

22 services22 patients

Colorectal cancer screening; colonoscopy on individual at high risk G0105

Colorectal cancer screening, specifically a colonoscopy, is a preventive measure for those at high risk. A thin, flexible tube with a camera inspects the colon to spot any abnormal growths. This test helps detect potential issues early, enhancing the effectiveness of treatment.

22 services22 patients

Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43235

This procedure, known as an upper endoscopy, involves inserting a thin, flexible tube with a camera down the throat to examine the esophagus, stomach, and upper small bowel. It helps diagnose conditions like ulcers or inflammation.

19 services19 patients

Biopsy of large bowel using a flexible endoscope 45380

A biopsy of the large bowel using a flexible endoscope is a procedure where a thin, flexible tube with a camera is inserted through the rectum to examine the bowel. If abnormal tissue is found, a small sample is taken for further examination. This helps in diagnosing conditions like inflammation, polyps, or cancer.

19 services19 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

16 services16 patients

Hospital Affiliations CMS Care Compare 2

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

Chester County Hospital

Acute Care Hospitals · West Chester, PA

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number390179

Location701 East Marshall StreetWest Chester, PA 19380 · Chester County

Emergency services Birthing friendly

Riddle Memorial Hospital

Acute Care Hospitals · Media, PA

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number390222

Location1068 West Baltimore PikeMedia, PA 19063 · Delaware County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 19342 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

$137.17 typical visit price

range $59.88 – $180.99

Typical copayment $34.29 (range $14.97 – $45.24)

Most-billed visit code 99204

Established Patient

$105.21 typical visit price

range $19.30 – $147.29

Typical copayment $26.30 (range $4.82 – $36.82)

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

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

MONICA PATEL ZEITZ M.D.

Internal Medicine (Gastroenterology)

500 EVERGREEN DR STE 26
GLEN MILLS, PA 19342

Delaware County (610) 619-7475

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 Joyann Kroser's NPI number?

The NPI number for Joyann Kroser is 1285693507. It was assigned to this individual provider in the NPPES registry on March 23, 2006.

Where is Joyann Kroser located?

Joyann Kroser practices at 500 Evergreen Dr Ste 26, Glen Mills, PA 19342. The listed phone number is (610) 619-7475.

What is Joyann Kroser's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Is Joyann Kroser enrolled in Medicare?

Yes. Joyann Kroser 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 Joyann Kroser's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Joyann Kroser reassigns Medicare benefits to 3 organizations: Christiana Care Pennsylvania Inc (Glen Mills, PA), Prospect Health Access Network, Inc. (Glen Mills, PA) and Christiana Care Health Services Inc (Newark, DE). 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 Joyann Kroser's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Joyann Kroser accept?

Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from NH Healthy Families, Ambetter from Sunflower Health Plan and Highmark Blue Cross Blue Shield Delaware list Joyann Kroser 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 Joyann Kroser affiliated with any hospitals?

According to CMS data, Joyann Kroser is affiliated with Chester County Hospital and Riddle Memorial Hospital.

When was this NPI record last updated?

The NPPES record for Joyann Kroser was last updated on August 5, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.