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DR. JOSEPH DAVID MILLS JR. M.D.
NPI 1396027207
Colon & Rectal Surgery in Williamsville, NY

Active since September 16, 2011PECOS EnrolledAccepts Medicare Assignment
90.03/100
CMS Quality Rating
1150 YOUNGS RD STE 203, WILLIAMSVILLE, NY 14221(716) 636-9004 Get Directions Write a Review

NPPES record last updated: October 9, 2019. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Oct 9, 2019, Oct 25, 2018, Apr 9, 2018 (3 updates tracked since 2018).

About Dr. Joseph David Mills Jr. M.d. NPPES

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

DR. JOSEPH DAVID MILLS JR. M.D. (NPI 1396027207) is an individual colon & rectal surgery provider in Williamsville, New York, licensed in New York (284881-1) and active in the NPI registry since September 2011. He is enrolled in Medicare PECOS, is affiliated with Kaleida Health, and is a graduate of State University Of New York At Buffalo School Of Medicine (2011).

NPPES Registry Identity

NPI1396027207
Entity TypeIndividualMale
Primary Taxonomy208C00000X
Provider Legal NameDR. JOSEPH DAVID MILLS JR.Credential: M.D.
Location Address1150 YOUNGS RD STE 203Williamsville, NY 14221-8024
Mailing AddressPo Box 488Buffalo, NY 14240-0488 · (203) 944-1940 · Fax (203) 916-1041
Phone(716) 636-9004
Sole ProprietorYes
Medical School CMSState University Of New York At Buffalo School Of MedicineGraduated 2011
Enumeration DateSeptember 16, 2011
Last NPPES UpdateOctober 9, 20193 updates tracked since enumeration
✔ NPI 1396027207 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyColon & Rectal SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code208C00000X
License✔ Licensed in NY · 284881-1
Definition
A colon and rectal surgeon is trained to diagnose and treat various diseases of the intestinal tract, colon, rectum, anal canal and perianal area by medical and surgical means. This specialist also deals with other organs and tissues (such as the liver, urinary and female reproductive system) involved with primary intestinal disease.
1150 YOUNGS RD STE 203, Williamsville, NY 14221
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Other Identifiers 1

Medicaid04826308NY

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. Joseph David Mills Jr. 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 ID4880965078
PECOS Enrollment IDI20170807001641
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

6

Medicare enrollment records show Joseph Mills reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Kaleida Health
0.2 mi
General Acute Care Hospital
1540 MAPLE RD
Williamsville, NY 14221
  • Reassigned Medicare billing, New York enrollment
  • 676 clinicians in this Medicare group
NPI 1053441907 (716) 568-3600
Buffalo Medical Group, P.C.
1.6 mi
Family Medicine
325 ESSJAY RD, 4TH FLOOR ADMIN
Williamsville, NY 14221
  • Reassigned Medicare billing, New York enrollment
  • 344 clinicians in this Medicare group
NPI 1881659506 (716) 630-2500
University At Buffalo Surgeons Inc
7.0 mi
Surgery
462 GRIDER ST, DK MILLER BLDG
Buffalo, NY 14215
  • Reassigned Medicare billing, New York enrollment
  • 59 clinicians in this Medicare group
NPI 1508898305 (716) 898-5186
Erie County Medical Center Corporation
7.1 mi
Clinic/Center
462 GRIDER ST
Buffalo, NY 14215
  • Reassigned Medicare billing, New York enrollment
  • 302 clinicians in this Medicare group
NPI 1528233616 (716) 898-3000
Wyoming County
34 mi
Rural
400 N MAIN ST
Warsaw, NY 14569
  • Reassigned Medicare billing, New York enrollment
  • 76 clinicians in this Medicare group
NPI 1316924913 (585) 786-2233
General Physician, PC
48 mi
General Practice
3898 VINEYARD DR
Dunkirk, NY 14048
  • Reassigned Medicare billing, New York enrollment
  • 572 clinicians in this Medicare group
NPI 1093959322 (716) 692-3302

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 6

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 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.
21 services17 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.
20 services20 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.
20 services20 patients
Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito G0500
Moderate sedation is a method where a physician uses medication to help you relax during a gastrointestinal endoscopy. An independent trained observer will be present to monitor your vital signs and ensure your safety throughout the procedure. It's a common and safe practice.
18 services18 patients
Diagnostic exam of anus using an endoscope 46600
This procedure involves using a thin, flexible instrument called an endoscope to examine the anal area. It helps detect any abnormal conditions or issues. It's a safe, routine exam performed by a healthcare professional.
17 services15 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.
17 services17 patients

Hospital Affiliations CMS Care Compare 2

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

Kaleida Health

Acute Care Hospitals · Buffalo, NY
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number330005
Location100 High StreetBuffalo, NY 14210 · Erie County
Emergency services Birthing friendly

Erie County Medical Center

Acute Care Hospitals · Buffalo, NY
2/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number330219
Location462 Grider StreetBuffalo, NY 14215 · Erie County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 14221 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
$84.93 typical visit price
range $54.87 – $166.88
Typical copayment $21.23 (range $13.71 – $41.72)
Most-billed visit code 99203
Established Patient
$68.57 typical visit price
range $17.54 – $136.14
Typical copayment $17.14 (range $4.38 – $34.03)
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.

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.

90.03/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality83.88
Improvement Activities40
Cost63.01

Referred Medical Equipment & Supplies CMS DME claims 3

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Ostomy skin barrier, pectin-based, paste, per ounce A4406
DME-Orthotic Devices · category DF010N
1 supplier11 claims24 services$5.53 avg. paid by Medicare
Ostomy skin barrier, with flange (solid, flexible, or accordion), extended wear, with built-in convexity, 4 x 4 inches or smaller, each A4407
DME-Orthotic Devices · category DF010N
1 supplier11 claims160 services$7.42 avg. paid by Medicare
Ostomy pouch, drainable; for use on barrier with non-locking flange, with filter (2 piece system), each A4425
DME-Orthotic Devices · category DF010N
1 supplier11 claims200 services$3.38 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 2

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

JOHN FRANCIS REDMOND SR. ANP
Nurse Practitioner (Adult Health)
1150 YOUNGS RD STE 203
BUFFALO, NY 14221
Erie County (716) 636-9004
KATY BIGELOW FNP-BC
Nurse Practitioner (Family)
1150 YOUNGS RD STE 203
WILLIAMSVILLE, NY 14221
Erie County (716) 636-9004

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 Joseph Mills's NPI number?

The NPI number for Joseph Mills is 1396027207. It was assigned to this individual provider in the NPPES registry on September 16, 2011.

Where is Joseph Mills located?

Joseph Mills practices at 1150 Youngs Rd Ste 203, Williamsville, NY 14221. The listed phone number is (716) 636-9004.

What is Joseph Mills's specialty?

The primary specialty registered for this NPI is Colon & Rectal Surgery with taxonomy code 208C00000X.

Is Joseph Mills enrolled in Medicare?

Yes. Joseph Mills 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 Joseph Mills's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Joseph Mills reassigns Medicare benefits to 6 organizations: Kaleida Health (Williamsville, NY), Buffalo Medical Group, P.C. (Williamsville, NY), University At Buffalo Surgeons Inc (Buffalo, NY), Erie County Medical Center Corporation (Buffalo, NY), Wyoming County (Warsaw, NY) and 1 more organization, listed in the Medicare section above. 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 Joseph Mills's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Joseph Mills affiliated with any hospitals?

According to CMS data, Joseph Mills is affiliated with Kaleida Health and Erie County Medical Center.

When was this NPI record last updated?

The NPPES record for Joseph Mills was last updated on October 9, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 years 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.