ADAM C DONNELLON PA-C
NPI 1952946972
Physician Assistant in Chelsea, MI

Active since November 13, 2019PECOS EnrolledAccepts Medicare Assignment
775 S MAIN ST, CHELSEA, MI 48118(734) 593-6000 Get Directions Write a Review

NPPES record last updated: December 18, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Dec 18, 2025, Nov 13, 2019 (2 updates tracked since 2019).

About Adam C Donnellon Pa-c NPPES

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

ADAM C DONNELLON PA-C (NPI 1952946972) is an individual physician assistant in Chelsea, Michigan, licensed in Michigan (5601009581) and active in the NPI registry since November 2019. He is enrolled in Medicare PECOS, is affiliated with Chelsea Hospital, and is a graduate of Other (2019).

NPPES Registry Identity

NPI1952946972
Entity TypeIndividualMale
Primary Taxonomy363A00000X
Provider Legal NameADAM C DONNELLONCredential: PA-C
Location Address775 S MAIN STChelsea, MI 48118-1383
Mailing Address2000 Green Rd Ste 300Ann Arbor, MI 48105-1575
Sole ProprietorNo
Medical School CMSOtherGraduated 2019
Enumeration DateNovember 13, 2019
Last NPPES UpdateDecember 18, 20252 updates tracked since enumeration
NPPES CertifiedDecember 18, 2025
NPI 1952946972 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
License Licensed in MI · 5601009581
Definition
A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.
775 S MAIN ST, Chelsea, MI 48118

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Adam C Donnellon Pa-c 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 ID6507291010
PECOS Enrollment IDI20200110000352
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.

Areas of Expertise CMS Part B claims 7

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.

Emergency department visit with high level of medical decision making 99285
An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.
156 services153 patients
Emergency department visit with moderate level of medical decision making 99284
An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.
80 services79 patients
Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
47 services46 patients
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010
A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.
45 services44 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.
40 services38 patients
New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203
This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.
18 services18 patients

Hospital Affiliations CMS Care Compare

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

Chelsea Hospital

Acute Care Hospitals · Chelsea, MI
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number230259
Location775 S Main StChelsea, MI 48118 · Washtenaw County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 48118 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
$90.76 typical visit price
range $58.04 – $177.36
Typical copayment $22.69 (range $14.51 – $44.34)
Most-billed visit code 99203
Established Patient
$72.38 typical visit price
range $18.32 – $143.49
Typical copayment $18.09 (range $4.58 – $35.87)
Most-billed visit code 99213
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.

Specialist/Technologist (Athletic Trainer)
775 S MAIN ST
CHELSEA, MI 48118
Nurse Anesthetist, Certified Registered
775 S MAIN ST
CHELSEA, MI 48118
Emergency Medicine
775 S MAIN ST
CHELSEA, MI 48118
Nurse Practitioner (Women's Health)
775 S MAIN ST
CHELSEA, MI 48118
Clinic/Center (Infusion Therapy)
775 S MAIN ST
CHELSEA, MI 48118
Nurse Anesthetist, Certified Registered
775 S MAIN ST
CHELSEA, MI 48118
Social Worker (Clinical)
775 S MAIN ST
CHELSEA, MI 48118
Occupational Therapist (Physical Rehabilitation)
775 S MAIN ST
CHELSEA, MI 48118

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 Adam Donnellon's NPI number?

The NPI number for Adam Donnellon is 1952946972. It was assigned to this individual provider in the NPPES registry on November 13, 2019.

Where is Adam Donnellon located?

Adam Donnellon practices at 775 S Main St, Chelsea, MI 48118. The listed phone number is (734) 593-6000.

What is Adam Donnellon's specialty?

The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.

Is Adam Donnellon enrolled in Medicare?

Yes. Adam Donnellon 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.

What insurance does Adam Donnellon accept?

Health plans from Blue Care Network of Michigan and Blue Cross Blue Shield of Michigan Mutual Insurance Company list Adam Donnellon 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 Adam Donnellon affiliated with any hospitals?

According to CMS data, Adam Donnellon is affiliated with Chelsea Hospital.

When was this NPI record last updated?

The NPPES record for Adam Donnellon was last updated on December 18, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.