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JANSI LAKSHMI WILLOUGHBY M.D.
NPI 1235577669
Internal Medicine - Pulmonary Disease in Roseville, MI

Active since June 07, 2013PECOS EnrolledAccepts Medicare Assignment
25689 KELLY RD STE 100, ROSEVILLE, MI 48066(586) 445-5995(877) 673-3562 Get Directions Write a Review

NPPES record last updated: March 11, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Mar 11, 2025, Jul 13, 2023, Jun 16, 2020 (3 updates tracked since 2020).

About Jansi Lakshmi Willoughby M.d. NPPES

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

JANSI LAKSHMI WILLOUGHBY M.D. (NPI 1235577669) is an individual pulmonary disease provider in Roseville, Michigan, licensed in Michigan (4301116853) and active in the NPI registry since June 2013. She is enrolled in Medicare PECOS, is affiliated with Beaumont Hospital - Grosse Pointe, and maintains a secondary practice location in Shelby Twp.

NPPES Registry Identity

NPI1235577669
Entity TypeIndividualFemale
Primary Taxonomy207RP1001X
Provider Legal NameJANSI LAKSHMI WILLOUGHBYCredential: M.D.
Location Address25689 KELLY RD STE 100Roseville, MI 48066-4993
Mailing Address50505 Schoenherr Rd Ste 290Shelby Twp, MI 48315-3141 · (586) 314-0080 · Fax (877) 673-3562
Phone(586) 445-5995
Fax(877) 673-3562
Sole ProprietorNo
Medical School CMSWayne State University School Of MedicineGraduated 2013
Enumeration DateJune 7, 2013
Last NPPES UpdateMarch 11, 20253 updates tracked since enumeration
NPPES CertifiedMarch 11, 2025
✔ NPI 1235577669 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal Medicine · Pulmonary DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RP1001X
License✔ Licensed in MI · 4301116853
Definition
An internist who treats diseases of the lungs and airways. The pulmonologist diagnoses and treats cancer, pneumonia, pleurisy, asthma, occupational and environmental diseases, bronchitis, sleep disorders, emphysema and other complex disorders of the lungs.
Also ListedInternal Medicine · Critical Care MedicineTaxonomy 207RC0200X · License 4301116853 (MI)
Also ListedInternal Medicine · Sleep MedicineTaxonomy 207RS0012X · License 4301116853 (MI)
25689 KELLY RD STE 100, Roseville, MI 48066
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Other Names 1

Former Name (1)Jansi Maganti

Secondary Practice Location 1

Location 150505 Schoenherr Rd Ste 290Shelby Twp, MI 48315-3141 · Phone (586) 314-0080 · Fax (877) 673-3562

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Buckeye Health Plan, Ambetter from Meridian, Ambetter Health and more.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

Jansi Lakshmi Willoughby 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 ID6800193913
PECOS Enrollment IDI20200713001949
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 Reassignment

Medicare enrollment records show Jansi Willoughby reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Pulmonary & Critical Care Associates PC
13 mi
Pulmonary Disease
50505 SCHOENHERR RD, SUITE 290
Shelby Twp, MI 48315
  • Reassigned Medicare billing, Michigan enrollment
  • 22 clinicians in this Medicare group
NPI 1598700932 (586) 314-0080

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 10

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 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
272 services110 patients
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.
121 services81 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.
106 services39 patients
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.
100 services69 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
59 services58 patients
Sleep study in sleep lab (6 years or older) 95810
A sleep study in a sleep lab is a non-invasive overnight test that monitors your body while you sleep. It helps doctors understand your sleep patterns and identify any issues like sleep apnea or insomnia. You'll be connected to equipment that tracks your heart rate, brain waves, breathing, and movements.
20 services20 patients

Hospital Affiliations CMS Care Compare 3

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

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

Beaumont Hospital, Troy

Acute Care Hospitals · Troy, MI
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number230269
Location44201 Dequindre RoadTroy, MI 48085 · Oakland County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 48066 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.

Referred Medical Equipment & Supplies CMS DME claims 15

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

Tubing with integrated heating element for use with positive airway pressure device A4604
DME-Other DME · category DE001N
10 suppliers64 claims64 services$28.67 avg. paid by Medicare
Full face mask used with positive airway pressure device, each A7030
DME-Other DME · category DE001N
9 suppliers59 claims60 services$71.00 avg. paid by Medicare
Face mask interface, replacement for full face mask, each A7031
DME-Other DME · category DE001N
7 suppliers43 claims87 services$24.68 avg. paid by Medicare
Cushion for use on nasal mask interface, replacement only, each A7032
DME-Other DME · category DE001N
4 suppliers21 claims58 services$13.88 avg. paid by Medicare
Pillow for use on nasal cannula type interface, replacement only, pair A7033
DME-Other DME · category DE001N
1 supplier11 claims46 services$12.75 avg. paid by Medicare
Nasal interface (mask or cannula type) used with positive airway pressure device, with or without head strap A7034
DME-Other DME · category DE001N
6 suppliers35 claims35 services$44.25 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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 Jansi Willoughby's NPI number?

The NPI number for Jansi Willoughby is 1235577669. It was assigned to this individual provider in the NPPES registry on June 7, 2013. The provider is also known as Jansi Maganti.

Where is Jansi Willoughby located?

Jansi Willoughby practices at 25689 Kelly Rd Ste 100, Roseville, MI 48066. The listed phone number is (586) 445-5995.

What is Jansi Willoughby's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Pulmonary Disease, with taxonomy code 207RP1001X.

Is Jansi Willoughby enrolled in Medicare?

Yes. Jansi Willoughby 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 organization bills Medicare for Jansi Willoughby's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Jansi Willoughby reassigns Medicare benefits to Pulmonary & Critical Care Associates PC (Shelby Twp, MI). The 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 Jansi Willoughby's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Jansi Willoughby accept?

Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, Blue Care Network of Michigan and Blue Cross Blue Shield of Michigan Mutual Insurance Company and 2 other insurers list Jansi Willoughby 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 Jansi Willoughby affiliated with any hospitals?

According to CMS data, Jansi Willoughby is affiliated with Beaumont Hospital - Grosse Pointe, Ascension St John Hospital and Beaumont Hospital, Troy.

When was this NPI record last updated?

The NPPES record for Jansi Willoughby was last updated on March 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.