DR. JOHN C VASSALLO M.D.
NPI 1275590119
Internal Medicine in Howell, MI

Q: What is John Vassallo's NPI number?

The NPI number for John Vassallo is 1275590119. It was assigned to this individual provider in the NPPES registry on April 26, 2006.

Q: What is John Vassallo's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for John Vassallo was last updated on May 11, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.

Active since April 26, 2006PECOS EnrolledAccepts Medicare Assignment

1225 W GRAND RIVER AVE STE 300, HOWELL, MI 48843(517) 548-0010(517) 548-5326 Get Directions Write a Review

NPPES record last updated: May 11, 2023. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: May 11, 2023, Mar 7, 2023, Jun 2, 2017 and 1 more (4 updates tracked since 2016).

On this page

About Dr. John C Vassallo M.d. NPPES

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

DR. JOHN C VASSALLO M.D. (NPI 1275590119) is an individual internal medicine provider in Howell, Michigan, licensed in Michigan (JV078585) and active in the NPI registry since April 2006. He is enrolled in Medicare PECOS, is affiliated with Saint Joseph Mercy Livingston Hospital, and is a graduate of Other (2001).

NPPES Registry Identity

NPI1275590119

Entity TypeIndividualMale

Primary Taxonomy207R00000X

Provider Legal NameDR. JOHN C VASSALLOCredential: M.D.

Location Address1225 W GRAND RIVER AVE STE 300Howell, MI 48843-3970

Mailing Address1225 W Grand River Ave Ste 300Howell, MI 48843-3970 · (517) 548-0010 · Fax (517) 548-5326

Phone(517) 548-0010

Fax(517) 548-5326

Sole ProprietorYes

Medical School CMSOtherGraduated 2001

Enumeration DateApril 26, 2006

Last NPPES UpdateMay 11, 20234 updates tracked since enumeration

NPPES CertifiedMay 11, 2023

✔ NPI 1275590119 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 · JV078585

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.

1225 W GRAND RIVER AVE STE 300, Howell, MI 48843

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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, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. John C Vassallo 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 ID8224064829

PECOS Enrollment IDI20050714000875

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 19

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.

522 services230 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.

217 services144 patients

Initial nursing facility care with high level of medical decision making, per day, if using time, 50 minutes or more 99306

An initial nursing facility visit is your first meeting with your healthcare team at a nursing facility. Lasting typically 45 minutes, this appointment involves a comprehensive health assessment and the creation of your personalized care plan. It's a crucial step to ensure your health and well-being.

205 services181 patients

Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more 99308

A follow-up nursing facility visit per day is a daily check-up service provided by healthcare professionals. It lasts around 15 minutes and involves assessing your health status, monitoring your recovery progress, and addressing any concerns you may have about your health or treatment.

172 services103 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.

152 services152 patients

Initial nursing facility care with moderate level of medical decision making, per day, if using time, at least 35 minutes 99305

An initial nursing facility visit per day is a service where a healthcare professional spends about 35 minutes assessing a patient's health status. This includes reviewing medical history, conducting a physical exam, and developing a care plan based on the patient's needs.

128 services113 patients

Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 99309

A follow-up nursing facility visit per day is a daily check-in by a healthcare professional. This 25-minute visit typically involves monitoring your health progress, addressing any concerns, and adjusting treatment plans as necessary. It's a vital part of ensuring your ongoing wellbeing.

108 services61 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.

56 services44 patients

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

53 services47 patients

Annual depression screening, 5 to 15 minutes G0444

An annual depression screening is a short, routine evaluation to check for signs of depression. It involves answering a series of questions about your feelings, thoughts, and behaviors. The process takes about 15 minutes and helps detect depression early for better management.

48 services48 patients

Initial nursing facility care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99304

An initial nursing facility visit is a daily check-up to monitor your health status. This service, lasting typically 25 minutes, involves a nurse assessing your overall wellbeing, discussing concerns, and updating your care plan as needed.

38 services35 patients

Urinalysis, manual test 81002

A urinalysis is a simple, non-invasive test that checks the urine for various elements such as sugar, protein, and signs of infection. It can help detect many common conditions, including kidney disease and diabetes. The manual test involves a lab technician examining a urine sample.

30 services21 patients

Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 10 minutes 99307

A follow-up nursing facility visit per day typically lasts about 10 minutes. This service involves a healthcare professional checking on your health status, answering any questions you may have, and monitoring your progress. This routine check ensures your recovery is on track and any concerns are addressed promptly.

30 services23 patients

Transitional care management services for problem of at least moderate complexity 99495

Transitional care management services focus on coordinating and managing your care after you leave the hospital. For moderate complexity problems, this involves managing your medications, arranging further treatments, and ensuring you have the necessary follow-ups.

24 services19 patients

Injection of drug or substance under skin or into muscle 96372

This procedure involves administering medication directly under the skin or into a muscle. A small needle is used to inject the drug, allowing it to be absorbed quickly into the bloodstream. It's a common method for delivering a variety of medications.

22 services15 patients

Nursing facility discharge management, more than 30 minutes 99316

Nursing facility discharge management over 30 minutes is a comprehensive process where a healthcare team prepares you for leaving the facility. It involves creating a tailored plan, coordinating care, and ensuring a smooth transition to your next care setting.

17 services16 patients

Transitional care management services for problem of high complexity 99496

Transitional care management services are designed to ensure a smooth transition from a hospital to home or another care setting for patients with complex health issues. These services include medication management, patient education, and coordination with healthcare providers.

17 services12 patients

Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of medicare enrollment G0402

An Initial Preventive Physical Examination, also known as a "Welcome to Medicare" visit, is a one-time, face-to-face visit during your first 12 months of Medicare enrollment. It includes a review of your health, as well as education and counseling about preventive services and further screenings.

17 services17 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.

13 services13 patients

Hospital Affiliations CMS Care Compare 3

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

Saint Joseph Mercy Livingston Hospital

Acute Care Hospitals · Howell, MI

5/5 CMS rating

OwnershipVoluntary non-profit - Other

CMS Certification Number230069

Location620 Byron RdHowell, MI 48843 · Livingston County

Emergency services

Trinity Health Ann Arbor Hospital

Acute Care Hospitals · Ann Arbor, MI

4/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number230156

Location5301 E Huron River DrAnn Arbor, MI 48106 · Washtenaw County

Emergency services Birthing friendly

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 48843 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

$126.15 typical visit price

range $54.34 – $166.68

Typical copayment $31.53 (range $13.58 – $41.67)

Most-billed visit code 99204

Established Patient

$96.44 typical visit price

range $17.09 – $135.40

Typical copayment $24.11 (range $4.27 – $33.85)

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

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

19%107 patients1/55-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.

94%2,614 patients4/55-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.

98%9,943 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

61%417 patients3/55-star benchmark: 99%

Pneumococcal Vaccination Status for Older Adults

Percentage of patients 65 years of age and older who have ever received a pneumococcal vaccine

34%417 patients2/55-star benchmark: 90%

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…

17%1,252 patients1/55-star benchmark: 97%

Preventive Care and Screening: Influenza Immunization

Percentage of patients aged 6 months and older seen for a visit between October 1 and March 31 who received an influenza immunization OR who reported previous receipt of an influenza immunization

23%822 patients2/55-star benchmark: 88%

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

57%1,145 patients3/55-star benchmark: 96%

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: 86% · 914 patients

99%914 patients

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…

43%1,259 patients2/55-star benchmark: 100%

Use of High-Risk Medications in the Elderly

Percentage of patients 65 years of age and older who were ordered high-risk medications. Two rates are submitted. 1) Percentage of patients who were ordered at least one high-risk medication.

Lower rates are better for this measure.

Patients 2+: 3% · 417 patients

6%417 patients3/55-star benchmark: 100%

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 24

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

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253

DME-Other DME · category DE017N

9 suppliers24 claims61 services$5.18 avg. paid by Medicare

Ostomy skin barrier, with flange (solid, flexible or accordion), extended wear, without built-in convexity, 4 x 4 inches or smaller, each A4409

DME-Orthotic Devices · category DF010N

1 supplier11 claims220 services$5.46 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

2 suppliers15 claims460 services$3.32 avg. paid by Medicare

Walker, folding, wheeled, adjustable or fixed height E0143

DME-Other DME · category DE000N

6 suppliers18 claims18 services$43.91 avg. paid by Medicare

Hospital bed, semi-electric (head and foot adjustment), with any type side rails, with mattress E0260

DME-Hospital Beds · category DB000N

12 suppliers79 claims79 services$52.07 avg. paid by Medicare

Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431

DME-Oxygen and Supplies · category DC000N

7 suppliers69 claims69 services$14.89 avg. paid by Medicare

Nebulizer, with compressor E0570

DME-Other DME · category DE000N

2 suppliers18 claims19 services$4.32 avg. paid by Medicare

Patient lift, hydraulic or mechanical, includes any seat, sling, strap(s) or pad(s) E0630

DME-Other DME · category DE000N

3 suppliers15 claims15 services$58.19 avg. paid by Medicare

Trapeze bar, free standing, complete with grab bar E0940

DME-Hospital Beds · category DB000N

2 suppliers11 claims11 services$18.99 avg. paid by Medicare

Heel loop/holder, any type, with or without ankle strap, each E0951

DME-Wheelchairs · category DD000N

7 suppliers32 claims63 services$11.13 avg. paid by Medicare

Heel loop/holder, any type, with or without ankle strap, each E0951

DME-Wheelchairs · category DD000N

2 suppliers17 claims17 services$1.09 avg. paid by Medicare

Manual wheelchair accessory, anti-tipping device, each E0971

DME-Wheelchairs · category DD021N

7 suppliers49 claims75 services$24.15 avg. paid by Medicare

Manual wheelchair accessory, anti-tipping device, each E0971

DME-Wheelchairs · category DD021N

3 suppliers12 claims22 services$2.38 avg. paid by Medicare

Wheelchair accessory, adjustable height, detachable armrest, complete assembly, each E0973

DME-Wheelchairs · category DD021N

4 suppliers15 claims28 services$49.40 avg. paid by Medicare

Wheelchair accessory, positioning belt/safety belt/pelvic strap, each E0978

DME-Wheelchairs · category DD021N

3 suppliers13 claims13 services$20.65 avg. paid by Medicare

Wheelchair accessory, manual fully reclining back, (recline greater than 80 degrees), each E1226

DME-Wheelchairs · category DD021N

4 suppliers25 claims25 services$29.27 avg. paid by Medicare

Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390

DME-Oxygen and Supplies · category DC002N

9 suppliers109 claims109 services$70.68 avg. paid by Medicare

Portable oxygen concentrator, rental E1392

DME-Oxygen and Supplies · category DC002N

3 suppliers30 claims30 services$31.53 avg. paid by Medicare

General use wheelchair seat cushion, width less than 22 inches, any depth E2601

DME-Wheelchairs · category DD021N

10 suppliers40 claims40 services$30.34 avg. paid by Medicare

General use wheelchair back cushion, width less than 22 inches, any height, including any type mounting hardware E2611

DME-Wheelchairs · category DD021N

8 suppliers28 claims28 services$109.01 avg. paid by Medicare

Standard wheelchair K0001

DME-Wheelchairs · category DD000N

11 suppliers444 claims447 services$15.70 avg. paid by Medicare

Standard hemi (low seat) wheelchair K0002

DME-Wheelchairs · category DD000N

2 suppliers16 claims16 services$39.35 avg. paid by Medicare

Lightweight wheelchair K0003

DME-Wheelchairs · category DD000N

5 suppliers28 claims30 services$35.24 avg. paid by Medicare

Elevating leg rests, pair (for use with capped rental wheelchair base) K0195

DME-Wheelchairs · category DD021N

9 suppliers150 claims151 services$6.73 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

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

FREDDY KEYS

Nurse Practitioner (Family)

1225 W GRAND RIVER AVE STE 300
HOWELL, MI 48843

Livingston County (517) 548-0010

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 John Vassallo's NPI number?

The NPI number for John Vassallo is 1275590119. It was assigned to this individual provider in the NPPES registry on April 26, 2006.

Where is John Vassallo located?

John Vassallo practices at 1225 W Grand River Ave Ste 300, Howell, MI 48843. The listed phone number is (517) 548-0010.

What is John Vassallo's specialty?

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

Is John Vassallo enrolled in Medicare?

Yes. John Vassallo 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 John Vassallo accept?

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

According to CMS data, John Vassallo is affiliated with Saint Joseph Mercy Livingston Hospital, Trinity Health Ann Arbor Hospital and Chelsea Hospital.

When was this NPI record last updated?

The NPPES record for John Vassallo was last updated on May 11, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.