DR. TOSAN A FREGENE M.D.
NPI 1336189513
Internal Medicine - Hematology & Oncology in Oak Park, MI

Active since June 07, 2006PECOS Enrolled
20770 GREENFIELD RD, STE A, OAK PARK, MI 48237(249) 967-8800(248) 967-0035 Get Directions Write a Review

NPPES record last updated: December 19, 2007. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Tosan A Fregene M.d. NPPES

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

DR. TOSAN A FREGENE M.D. (NPI 1336189513) is an individual hematology & oncology provider in Oak Park, Michigan, licensed in Michigan (TF053107) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS, is affiliated with Ascension Providence Hospital, Southfield And Novi, and is a graduate of Other (1985).

NPPES Registry Identity

NPI1336189513
Entity TypeIndividualMale
Primary Taxonomy207RH0003X
Provider Legal NameDR. TOSAN A FREGENECredential: M.D.
Location Address20770 GREENFIELD RD, STE AOak Park, MI 48237-3018
Mailing AddressPo Box 47369Oak Park, MI 48237-5069 · (248) 967-8800 · Fax (248) 967-0035
Fax(248) 967-0035
Sole ProprietorNo
Medical School CMSOtherGraduated 1985
Enumeration DateJune 7, 2006
Last NPPES UpdateDecember 19, 2007
NPI 1336189513 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RH0003X
License Licensed in MI · TF053107
Definition
An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.
20770 GREENFIELD RD, Oak Park, MI 48237

Other Identifiers 3

Medicaid3173875MI
Medicare PINP35140002MI
Medicare UPINF87852MI

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 (PECOS)

Dr. Tosan A Fregene M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID6406757863
PECOS Enrollment IDI20060925000139, I20260512003471
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 5

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.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
482 services75 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.
274 services98 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.
159 services111 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.
155 services57 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.
43 services43 patients

Hospital Affiliations CMS Care Compare 5

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

Ascension Providence Hospital, Southfield And Novi

Acute Care Hospitals · Southfield, MI
3/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number230019
Location16001 W Nine Mile RdSouthfield, MI 48075 · Oakland County
Emergency services Birthing friendly

Sinai-Grace Hospital

Acute Care Hospitals · Detroit, MI
1/5 CMS rating
OwnershipProprietary
CMS Certification Number230024
Location6071 W Outer DriveDetroit, MI 48235 · Wayne County
Emergency services Birthing friendly

Harper University Hospital

Acute Care Hospitals · Detroit, MI
1/5 CMS rating
OwnershipProprietary
CMS Certification Number230104
Location3990 John R StreetDetroit, MI 48201 · 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

Detroit Receiving Hospital

Acute Care Hospitals · Detroit, MI
1/5 CMS rating
OwnershipProprietary
CMS Certification Number230273
Location4201 St Antoine St - 2CDetroit, MI 48201 · Wayne County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 48237 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
$177.36 typical visit price
range $58.04 – $177.36
Typical copayment $44.34 (range $14.51 – $44.34)
Most-billed visit code 99205
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.

Reported Quality Measures

Breast Cancer Screening
Percentage of women 50-74 years of age who had a mammogram to screen for breast cancer
100%253 patients5/55-star benchmark: 92%
Colorectal Cancer Screening
Percentage of adults 50-75 years of age who had appropriate screening for colorectal cancer
100%384 patients5/55-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
100%52 patients5/55-star benchmark: 100%
Diabetes: Foot Exam
The percentage of patients 18-75 years of age with diabetes (type 1 and type 2) who received a foot exam (visual inspection and sensory exam with mono filament and a pulse exam) during the measurement year
98%52 patients5/55-star benchmark: 98%
Documentation of Current Medications in the Medical Record
Percentage of visits for patients aged 18 years and older for which the eligible professional or eligible clinician attests to documenting a list of current medications using all immediate resources available on the date of the encounter.
98%2,317 patients4/55-star benchmark: 100%
Falls: Screening for Future Fall Risk
Percentage of patients 65 years of age and older who were screened for future fall risk during the measurement period
99%357 patients5/55-star benchmark: 99%
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…
96%675 patients4/55-star benchmark: 97%
Preventive Care and Screening: Tobacco Use: Screening and Cessation Intervention
Percentage of patients aged 18 years and older who were screened for tobacco use one or more times within 24 months AND who received tobacco cessation intervention if identified as a tobacco user
Patients tobacco: 91% · 459 patients
92%459 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.

Referred Medical Equipment & Supplies CMS DME claims

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

Capecitabine, oral, 500 mg J8521
Treatment-Treatment - Miscellaneous · category RX029N
3 suppliers11 claims736 services$0.45 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 4

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

Nurse Practitioner (Acute Care)
20770 GREENFIELD RD
OAK PARK, MI 48237
Pharmacy (Community/Retail Pharmacy)
20770 GREENFIELD RD
OAK PARK, MI 48237
Physical Therapist
20770 GREENFIELD RD
OAK PARK, MI 48237
Pharmacist
20770 GREENFIELD RD
OAK PARK, MI 48237

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 Tosan Fregene's NPI number?

The NPI number for Tosan Fregene is 1336189513. It was assigned to this individual provider in the NPPES registry on June 7, 2006.

Where is Tosan Fregene located?

Tosan Fregene practices at 20770 Greenfield Rd Ste A, Oak Park, MI 48237. The listed phone number is (249) 967-8800.

What is Tosan Fregene's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.

Is Tosan Fregene enrolled in Medicare?

Yes. Tosan Fregene is registered in the Medicare PECOS enrollment system.

What insurance does Tosan Fregene accept?

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

According to CMS data, Tosan Fregene is affiliated with Ascension Providence Hospital, Southfield And Novi, Sinai-Grace Hospital, Harper University Hospital, Ascension St John Hospital and Detroit Receiving Hospital.

When was this NPI record last updated?

The NPPES record for Tosan Fregene was last updated on December 19, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.