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SEAN ANTHONY CASSLEMAN DO
NPI 1720404775
Internal Medicine in Saint Clair Shores, MI

Active since March 14, 2014PECOS EnrolledAccepts Medicare Assignment
86.85/100
CMS Quality Rating
21000 E 12 MILE RD, SAINT CLAIR SHORES, MI 48081(313) 598-0799 Get Directions Write a Review

NPPES record last updated: November 1, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jul 21, 2022, Jul 17, 2017, Dec 14, 2016 (3 updates tracked since 2016).

About Sean Anthony Cassleman Do NPPES

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

SEAN ANTHONY CASSLEMAN DO (NPI 1720404775) is an individual internal medicine provider in Saint Clair Shores, Michigan, licensed in Michigan (5101020867) and active in the NPI registry since March 2014. He is enrolled in Medicare PECOS, is affiliated with Henry Ford Macomb Hospital, and maintains a secondary practice location in Saint Clair Shores.

NPPES Registry Identity

NPI1720404775
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameSEAN ANTHONY CASSLEMANCredential: DO
Location Address21000 E 12 MILE RDSaint Clair Shores, MI 48081-1116
Mailing Address1025 Bishop RdGrosse Pointe Park, MI 48230-1447 · (313) 598-0799
Phone(313) 598-0799
Sole ProprietorNo
Medical School CMSMichigan State University College Of Osteopathic MedicineGraduated 2014
Enumeration DateMarch 14, 2014
Last NPPES UpdateNovember 1, 20253 updates tracked since enumeration
NPPES CertifiedNovember 1, 2025
✔ NPI 1720404775 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in MI · 5101020867
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
21000 E 12 MILE RD, Saint Clair Shores, MI 48081
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Secondary Practice Location 1

Location 121444 Harper AveSaint Clair Shores, MI 48080-2244 · Phone (586) 200-4265

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Care Network of Michigan, Blue Cross Blue Shield of Michigan Mutual Insurance Company, Priority Health.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

Sean Anthony Cassleman 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 ID8325322928
PECOS Enrollment IDI20170810003033
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

4

Medicare enrollment records show Sean Cassleman reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Henry Ford Health St. John Hospital
Same address
Otolaryngology
21000 E 12 MILE RD STE 111
Saint Clair Shores, MI 48081
  • Reassigned Medicare billing, Michigan enrollment
  • 520 clinicians in this Medicare group
NPI 1376820605 (586) 779-7610
Henry Ford Semi Medical Group
Same address
Obstetrics & Gynecology
21000 E 12 MILE RD, SUITE 102
Saint Clair Shores, MI 48081
  • Reassigned Medicare billing, Michigan enrollment
  • 101 clinicians in this Medicare group
NPI 1366515496 (586) 447-5100
Metabolic Medicine Lab PLLC
3.9 mi
Medical Specialty
21444 HARPER AVE
Saint Clair Shores, MI 48080
  • Reassigned Medicare billing, Michigan enrollment
NPI 1043048911 (586) 275-7796
Seton Health Corporation Of Southeastern Michigan
7.8 mi
Family Medicine
15855 19 MILE RD
Clinton Township, MI 48038
  • Reassigned Medicare billing, Michigan enrollment
  • 111 clinicians in this Medicare group
NPI 1598177065 (248) 680-8000

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 8

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.
267 services142 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.
89 services59 patients
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439
An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.
75 services75 patients
Assessment of emotional or behavioral problems 96127
Assessment of emotional or behavioral problems involves a thorough evaluation of your feelings, thoughts, and behaviors. It's a process where professionals study patterns over time to identify potential issues like anxiety, depression, or other mental health conditions.
63 services58 patients
Hemoglobin a1c level 83036
Hemoglobin A1c (HbA1c) is a test that measures your average blood sugar level over the past 2-3 months. It's used to monitor how well diabetes is being controlled. High levels may indicate that your diabetes treatment plan needs adjustment.
37 services29 patients
Insertion of needle into vein for collection of blood sample 36415
This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.
14 services13 patients

Hospital Affiliations CMS Care Compare 5

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

Henry Ford Macomb Hospital

Acute Care Hospitals · Clinton Township, MI
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number230047
Location15855 Nineteen Mile RdClinton Township, MI 48038 · Macomb County
Emergency services Birthing friendly

Henry Ford Health Hospital

Acute Care Hospitals · Detroit, MI
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number230053
Location2799 W Grand BlvdDetroit, MI 48202 · Wayne County
Emergency services Birthing friendly

Beaumont Hospital - Grosse Pointe

Acute Care Hospitals · Grosse Pointe, MI
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number230089
Location468 Cadieux RdGrosse Pointe, MI 48230 · Wayne County
Emergency services Birthing friendly

Ascension St John Hospital

Acute Care Hospitals · Detroit, MI
2/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number230165
Location22101 Moross RdDetroit, MI 48236 · Wayne County
Emergency services Birthing friendly

Ascension Macomb Oakland Hosp-Warren Campus

Acute Care Hospitals · Warren, MI
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number230195
Location11800 East Twelve Mile RoadWarren, MI 48093 · Macomb County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 48081 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
$134.28 typical visit price
range $58.04 – $177.36
Typical copayment $33.57 (range $14.51 – $44.34)
Most-billed visit code 99204
Established Patient
$102.35 typical visit price
range $18.32 – $143.49
Typical copayment $25.58 (range $4.58 – $35.87)
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.

86.85/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality84.71
Promoting Interoperability100
Improvement Activities40
Cost65.3

Reported Quality Measures

Breast Cancer Screening
Percentage of women 50-74 years of age who had a mammogram to screen for breast cancer
39%67 patients2/55-star benchmark: 92%
Cervical Cancer Screening
Percentage of women 21-64 years of age who were screened for cervical cancer using either of the following criteria: - Women age 21-64 who had cervical cytology performed every 3 years - Women age 30-64 who had cervical cytology/human papillomavirus (HPV)…
36%112 patients
Colorectal Cancer Screening
Percentage of adults 50-75 years of age who had appropriate screening for colorectal cancer
34%143 patients2/55-star benchmark: 85%
Diabetes: Eye Exam
Percentage of patients 18-75 years of age with diabetes who had a retinal or dilated eye exam by an eye care professional during the measurement period or a negative retinal exam (no evidence of retinopathy) in the 12 months prior to the measurement period
22%32 patients1/55-star benchmark: 100%
e-Prescribing
At least one permissible prescription written by the MIPS eligible clinician is queried for a drug formulary and transmitted electronically using certified EHR technology.
97%1,678 patients4/55-star benchmark: 99%
Health Information Exchange
The MIPS eligible clinician that transitions or refers their patient to another setting of care or health care clinician (1) uses CEHRT to create a summary of care record; and (2) electronically transmits such summary to a receiving health care clinician for…
77%213 patients4/55-star benchmark: 88%
Medication Reconciliation
The MIPS eligible clinician performs medication reconciliation for at least one transition of care in which the patient is transitioned into the care of the MIPS eligible clinician.
100%43 patients5/55-star benchmark: 100%
Patient-Specific Education
The MIPS eligible clinician must use clinically relevant information from CEHRT to identify patient-specific educational resources and provide access to those materials to at least one unique patient seen by the MIPS eligible clinician.
96%335 patients4/55-star benchmark: 97%
Preventive Care and Screening: Body Mass Index (BMI) Screening and Follow-Up Plan
Percentage of patients aged 18 years and older with a BMI documented during the current encounter or during the previous twelve months AND with a BMI outside of normal parameters, a follow-up plan is documented during the encounter or during the previous…
46%334 patients2/55-star benchmark: 97%
Preventive Care and Screening: Screening for Depression and Follow-Up Plan
Percentage of patients aged 12 years and older screened for depression on the date of the encounter using an age appropriate standardized depression screening tool AND if positive, a follow-up plan is documented on the date of the positive screen
96%25 patients4/55-star benchmark: 100%
Provide Patient Access
At least one patient seen by the MIPS eligible clinician during the performance period is provided timely access to view online, download, and transmit to a third party their health information subject to the MIPS eligible clinician's discretion to withhold…
80%128 patients4/55-star benchmark: 100%
Secure Messaging
For at least one unique patient seen by the MIPS eligible clinician during the performance period, a secure message was sent using the electronic messaging function of CEHRT to the patient (or the patient-authorized representative), or in response to a secure…
50%128 patients3/55-star benchmark: 89%
View, Download, or Transmit (VDT)
At least one patient seen by the MIPS eligible clinician during the performance period (or patient-authorized representative) views, downloads or transmits their health information to a third party during the performance period.
42%128 patients
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

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. DOUGLAS CARL KUBEK D.O.
Otolaryngology (Sleep Medicine)
21000 E 12 MILE RD, STE 111
SAINT CLAIR SHORES, MI 48081
Macomb County (586) 779-7610
LAKESHORE EAR NOSE AND THROAT CENTER PC
Otolaryngology
21000 E 12 MILE RD, SUITE 111
SAINT CLAIR SHORES, MI 48081
Macomb County (586) 779-7610
MARY E MARKOVICH
Audiologist-Hearing Aid Fitter
21000 E 12 MILE RD, STE 111
SAINT CLAIR SHORES, MI 48081
Macomb County (586) 779-7610
DR. MICHAEL S FOZO MD
Otolaryngology (Plastic Surgery within the Head & Neck)
21000 E 12 MILE RD, SUITE 111
SAINT CLAIR SHORES, MI 48081
Macomb County (586) 779-7610
ANN R MCREYNOLDS MD
Obstetrics & Gynecology
21000 E 12 MILE RD, 102
ST CLAIR SHORES, MI 48081
Macomb County (586) 447-5100
NATHAN S. WHITE MD
Obstetrics & Gynecology
21000 E 12 MILE RD
ST CLAIR SHORES, MI 48081
Macomb County (586) 447-5100
LAKESHORE EAR NOSE AND THROAT CENTER PC
Allergy & Immunology
21000 E 12 MILE RD, STE 111
SAINT CLAIR SHORES, MI 48081
Macomb County (586) 779-7610
MRS. ELIZABETH THERESE PARUS CRNA
Nurse Anesthetist, Certified Registered
21000 E 12 MILE RD
SAINT CLAIR SHORES, MI 48081
Macomb County (586) 447-5021

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 Sean Cassleman's NPI number?

The NPI number for Sean Cassleman is 1720404775. It was assigned to this individual provider in the NPPES registry on March 14, 2014.

Where is Sean Cassleman located?

Sean Cassleman practices at 21000 E 12 Mile Rd, Saint Clair Shores, MI 48081. The listed phone number is (313) 598-0799.

What is Sean Cassleman's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Sean Cassleman enrolled in Medicare?

Yes. Sean Cassleman 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 Sean Cassleman's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Sean Cassleman reassigns Medicare benefits to 4 organizations: Henry Ford Health St. John Hospital (Saint Clair Shores, MI), Henry Ford Semi Medical Group (Saint Clair Shores, MI), Metabolic Medicine Lab PLLC (Saint Clair Shores, MI) and Seton Health Corporation Of Southeastern Michigan (Clinton Township, MI). 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 Sean Cassleman's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Sean Cassleman accept?

Health plans from Blue Care Network of Michigan, Blue Cross Blue Shield of Michigan Mutual Insurance Company and Priority Health list Sean Cassleman 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 Sean Cassleman affiliated with any hospitals?

According to CMS data, Sean Cassleman is affiliated with Henry Ford Macomb Hospital, Henry Ford Health Hospital, Beaumont Hospital - Grosse Pointe, Ascension St John Hospital and Ascension Macomb Oakland Hosp-Warren Campus.

When was this NPI record last updated?

The NPPES record for Sean Cassleman was last updated on November 1, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.