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

MICHAEL BUX MD
NPI 1831696780
Emergency Medicine in Phoenixville, PA

Active since April 08, 2018PECOS EnrolledAccepts Medicare Assignment
82.74/100
CMS Quality Rating
140 NUTT RD, PHOENIXVILLE, PA 19460(610) 983-1223 Get Directions Write a Review

NPPES record last updated: June 29, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Feb 8, 2023, May 24, 2021, Mar 16, 2021 (3 updates tracked since 2021).

About Michael Bux Md NPPES

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

MICHAEL BUX MD (NPI 1831696780) is an individual emergency medicine provider in Phoenixville, Pennsylvania, licensed in Pennsylvania (MD471429) and active in the NPI registry since April 2018. He is enrolled in Medicare PECOS, is affiliated with Upmc Altoona, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1831696780
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameMICHAEL BUXCredential: MD
Location Address140 NUTT RDPhoenixville, PA 19460-3906
Mailing AddressPo Box 13579Reading, PA 19612-3579 · (484) 628-1324
Phone(610) 983-1223
Sole ProprietorNo
Medical School CMSOtherGraduated 2018
Enumeration DateApril 8, 2018
Last NPPES UpdateJune 29, 20263 updates tracked since enumeration
NPPES CertifiedJune 29, 2026
✔ NPI 1831696780 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
Licenses✔ Licensed in PA · MD471429✔ Licensed in DE · C1-0028073
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
140 NUTT RD, Phoenixville, PA 19460
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Secondary Practice Locations 2

Location 1620 Howard AveAltoona, PA 16601-4804 · Phone (814) 889-3315
Location 24755 Ogletown Stanton RdNewark, DE 19718-2200 · Phone (302) 733-1940

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

Michael Bux Md 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 ID6002161734
PECOS Enrollment IDI20201130002908, I20250729003343
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 4

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.
234 services224 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.
15 services15 patients
Emergency department visit with low level of medical decision making 99283
An emergency department visit for a problem of moderate severity involves immediate medical attention for issues like minor fractures, burns, or high fever. The healthcare team will assess your condition, provide necessary treatment, and may suggest further tests or admission if required.
11 services11 patients

Hospital Affiliations CMS Care Compare 3

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

Upmc Altoona

Acute Care Hospitals · Altoona, PA
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number390073
Location620 Howard AvenueAltoona, PA 16601 · Blair County
Emergency services Birthing friendly

Pottstown Hospital

Acute Care Hospitals · Pottstown, PA
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number390123
Location1600 East High StreetPottstown, PA 19464 · Montgomery County
Emergency services

Phoenixville Hospital

Acute Care Hospitals · Phoenixville, PA
3/5 CMS rating
OwnershipProprietary
CMS Certification Number390127
Location140 Nutt RoadPhoenixville, PA 19460 · Chester County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 19460 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
$92.69 typical visit price
range $59.88 – $180.99
Typical copayment $23.17 (range $14.97 – $45.24)
Most-billed visit code 99203
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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

82.74/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality82.84
Improvement Activities40
Cost63.86

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.

BRENDAN TANNENBAUM DO
Student in an Organized Health Care Education/Training Program
140 NUTT RD
PHOENIXVILLE, PA 19460
Chester County (610) 983-1000
DANIEL MINUKHIN DO
Student in an Organized Health Care Education/Training Program
140 NUTT RD
PHOENIXVILLE, PA 19460
Chester County (610) 983-1000
MAHESH VASUDEVAN DO
Student in an Organized Health Care Education/Training Program
140 NUTT RD
PHOENIXVILLE, PA 19460
Chester County (610) 983-1000
RAJ K. SHARMA MD
Hospitalist
140 NUTT RD
PHOENIXVILLE, PA 19460
Chester County (610) 983-1000
DR. MOHAMED MUSTAFA DARWISH MD
Internal Medicine
140 NUTT RD
PHOENIXVILLE, PA 19460
Chester County (484) 921-7311
KRISTIN M SPIEGEL MD
Student in an Organized Health Care Education/Training Program
140 NUTT RD
PHOENIXVILLE, PA 19460
Chester County (610) 983-1000
DR. AYUSHI BISARIA DPM
Podiatrist (Foot & Ankle Surgery)
140 NUTT RD
PHOENIXVILLE, PA 19460
Chester County (610) 983-1000
LISA ANNE SANTORO CRNA
Nurse Anesthetist, Certified Registered
140 NUTT RD
PHOENIXVILLE, PA 19460
Chester County (610) 983-1000

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 Michael Bux's NPI number?

The NPI number for Michael Bux is 1831696780. It was assigned to this individual provider in the NPPES registry on April 8, 2018.

Where is Michael Bux located?

Michael Bux practices at 140 Nutt Rd, Phoenixville, PA 19460. The listed phone number is (610) 983-1223.

What is Michael Bux's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Michael Bux enrolled in Medicare?

Yes. Michael Bux 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.

Is Michael Bux affiliated with any hospitals?

According to CMS data, Michael Bux is affiliated with Upmc Altoona, Pottstown Hospital and Phoenixville Hospital.

When was this NPI record last updated?

The NPPES record for Michael Bux was last updated on June 29, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 46 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.