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AARON NICHOLS MD
NPI 1801382551
Internal Medicine in Lansing, MI

Active since July 05, 2018PECOS EnrolledAccepts Medicare Assignment
3955 PATIENT CARE DR STE A, LANSING, MI 48911(517) 374-7600(885) 480-9150 Get Directions Write a Review

NPPES record last updated: August 5, 2025. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: Aug 5, 2025, Mar 6, 2025, Jun 23, 2023 and 2 more (5 updates tracked since 2018).

About Aaron Nichols Md NPPES

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

AARON NICHOLS MD (NPI 1801382551) is an individual internal medicine provider in Lansing, Michigan, licensed in Michigan (4301505400) and active in the NPI registry since July 2018. He is enrolled in Medicare PECOS, is affiliated with Mclaren Greater Lansing, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1801382551
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameAARON NICHOLSCredential: MD
Location Address3955 PATIENT CARE DR STE ALansing, MI 48911-4271
Mailing Address3955 Patient Care Dr Ste ALansing, MI 48911-4271 · (517) 374-7600 · Fax (885) 480-9150
Phone(517) 374-7600
Fax(885) 480-9150
Sole ProprietorNo
Medical School CMSMichigan State University College Of Human MedicineGraduated 2021
Enumeration DateJuly 5, 2018
Last NPPES UpdateAugust 5, 20255 updates tracked since enumeration
NPPES CertifiedAugust 5, 2025
✔ NPI 1801382551 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 · 4301505400
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.
3955 PATIENT CARE DR STE A, Lansing, MI 48911
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Secondary Practice Locations 2

Location 14650 S Hagadorn Rd Ste 100East Lansing, MI 48823-5386 · Phone (517) 353-4941 · Fax (517) 432-3145
Location 21215 E Michigan AveLansing, MI 48912-1811 · Phone (517) 364-1000

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

Aaron Nichols Md 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 ID6305240037
PECOS Enrollment IDI20210803001866
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

3

Medicare enrollment records show Aaron Nichols reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Capital Internal Medicine Associates P.C.
Same address
Internal Medicine
3955 PATIENT CARE WAY, SUITE A
Lansing, MI 48911
  • Reassigned Medicare billing, Michigan enrollment
  • 108 clinicians in this Medicare group
NPI 1780629832 (517) 374-7600
Msu Health Care Inc.
2.0 mi
Hematology & Oncology
9520 FOREST RD
Lansing, MI 48910
  • Reassigned Medicare billing, Michigan enrollment
  • 365 clinicians in this Medicare group
NPI 1760014633 (517) 975-9500
Edward W Sparrow Hospital Association
3.9 mi
Internal Medicine
1200 E MICHIGAN AVE STE 510
Lansing, MI 48912
  • Reassigned Medicare billing, Michigan enrollment
  • 24 clinicians in this Medicare group
NPI 1588586911 (517) 364-5184

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.

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.
75 services36 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.
69 services31 patients
Hospital discharge day management, 30 minutes or less 99238
Hospital discharge day management of 30 minutes or less includes finalizing your treatment, discussing your progress, and planning after-care at home. It ensures you're ready to leave the hospital and continue recovery safely.
38 services37 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.
35 services24 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.
33 services32 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.
25 services20 patients

Hospital Affiliations CMS Care Compare 3

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

Mclaren Greater Lansing

Acute Care Hospitals · Lansing, MI
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number230167
Location2900 Collins RdLansing, MI 48910 · Ingham County
Emergency services Birthing friendly

Edward W Sparrow Hospital

Acute Care Hospitals · Lansing, MI
2/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number230230
Location1215 E Michigan AvenueLansing, MI 48912 · Ingham County
Emergency services Birthing friendly

Sparrow Clinton Hospital

Critical Access Hospitals · Saint Johns, MI
5/5 CMS rating
OwnershipProprietary
CMS Certification Number231326
Location805 S OaklandSaint Johns, MI 48879 · Clinton County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 48911 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.

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.

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
1 supplier17 claims17 services$85.64 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 20

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

DR. MACKENZIE DICKINSON DO
Family Medicine
3955 PATIENT CARE DR STE A
LANSING, MI 48911
Ingham County (517) 374-7600
CHERYL G MILLS NP
Nurse Practitioner
3955 PATIENT CARE DR STE A
LANSING, MI 48911
Ingham County (517) 374-7600
MS. TIFFANY LOUISE GOSE PA-C
Physician Assistant
3955 PATIENT CARE DR STE A
LANSING, MI 48911
Ingham County (517) 374-7600
DR. GUSTAVO F TATAJE RENGIFO MD
Internal Medicine
3955 PATIENT CARE DR STE A
LANSING, MI 48911
Ingham County (517) 374-7600
DR. MARY ANNE WERKMAN DO
Internal Medicine
3955 PATIENT CARE DR STE A
LANSING, MI 48911
Ingham County (517) 374-7600
DR. DANIEL MACCOURTNEY MD
Internal Medicine
3955 PATIENT CARE DR STE A
LANSING, MI 48911
Ingham County (517) 374-7600
KRISTAL RICHARDSON-AUBREY NP-C
Nurse Practitioner (Family)
3955 PATIENT CARE DR STE A
LANSING, MI 48911
Ingham County (517) 374-7600
ERIN WARRINER FNP
Nurse Practitioner (Family)
3955 PATIENT CARE DR STE A
LANSING, MI 48911
Ingham County (517) 374-7600

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 Aaron Nichols's NPI number?

The NPI number for Aaron Nichols is 1801382551. It was assigned to this individual provider in the NPPES registry on July 5, 2018.

Where is Aaron Nichols located?

Aaron Nichols practices at 3955 Patient Care Dr Ste A, Lansing, MI 48911. The listed phone number is (517) 374-7600.

What is Aaron Nichols's specialty?

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

Is Aaron Nichols enrolled in Medicare?

Yes. Aaron Nichols 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 Aaron Nichols's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Aaron Nichols reassigns Medicare benefits to 3 organizations: Capital Internal Medicine Associates P.C. (Lansing, MI), Msu Health Care Inc. (Lansing, MI) and Edward W Sparrow Hospital Association (Lansing, 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 Aaron Nichols's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Aaron Nichols 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 Aaron Nichols 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 Aaron Nichols affiliated with any hospitals?

According to CMS data, Aaron Nichols is affiliated with Mclaren Greater Lansing, Edward W Sparrow Hospital and Sparrow Clinton Hospital.

When was this NPI record last updated?

The NPPES record for Aaron Nichols was last updated on August 5, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.