1. Home
  2. Directory
  3. Michigan
  4. Midland
  5. Internal Medicine
  6. NPI Profile

CARLOS DIOLA M.D.
NPI 1225022387
Internal Medicine - Rheumatology in Midland, MI

Active since September 06, 2005PECOS EnrolledAccepts Medicare Assignment
4401 N CAMPUS RIDGE DR, STE C2100, MIDLAND, MI 48640(989) 837-9033(989) 837-9030 Get Directions Write a Review

NPPES record last updated: August 4, 2025. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Carlos Diola M.d. NPPES

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

CARLOS DIOLA M.D. (NPI 1225022387) is an individual rheumatology provider in Midland, Michigan, licensed in Michigan (4301077266) and active in the NPI registry since September 2005. He is enrolled in Medicare PECOS, is affiliated with Mymichigan Medical Center Alpena, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1225022387
Entity TypeIndividualMale
Primary Taxonomy207RR0500X
Provider Legal NameCARLOS DIOLACredential: M.D.
Location Address4401 N CAMPUS RIDGE DR, STE C2100Midland, MI 48640-6112
Mailing Address4000 Wellness DrMidland, MI 48670-2000
Phone(989) 837-9033
Fax(989) 837-9030
Sole ProprietorYes
Medical School CMSOtherGraduated 1987
Enumeration DateSeptember 6, 2005
Last NPPES UpdateAugust 4, 2025
NPPES CertifiedAugust 4, 2025
✔ NPI 1225022387 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · RheumatologyAllopathic & Osteopathic Physicians
Taxonomy Code207RR0500X
License✔ Licensed in MI · 4301077266
Definition

An internist who treats diseases of joints, muscle, bones and tendons. This specialist diagnoses and treats arthritis, back pain, muscle strains, common athletic injuries and collagen diseases.

4401 N CAMPUS RIDGE DR, Midland, MI 48640
Open in Google Maps ↗

Secondary Practice Locations 2

Location 15694 Midland RdFreeland, MI 48623-8845 · Phone (989) 837-9033
Location 24851 E Pickard St Ste 2400Mount Pleasant, MI 48858-2042 · Phone (989) 837-9033

Other Identifiers 1

Medicaid4568334MI

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

Carlos Diola 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 ID2264330976
PECOS Enrollment IDI20031219000331
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 4

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.
207 services159 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.
195 services155 patients
New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203
This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.
61 services61 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.
22 services22 patients

Hospital Affiliations CMS Care Compare 5

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

Mymichigan Medical Center Alpena

Acute Care Hospitals · Alpena, MI
5/5 CMS rating
OwnershipProprietary
CMS Certification Number230036
Location1501 W Chisholm StAlpena, MI 49707 · Alpena County
Emergency services Birthing friendly

Ascension St Mary's Hospital

Acute Care Hospitals · Saginaw, MI
2/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number230077
Location800 S Washington AvenueSaginaw, MI 48601 · Saginaw County
Emergency services

Mymichigan Medical Center West Branch

Acute Care Hospitals · West Branch, MI
4/5 CMS rating
OwnershipGovernment - Local
CMS Certification Number230095
Location2463 South M-30West Branch, MI 48661 · Ogemaw County
Emergency services Birthing friendly

Mymichigan Medical Center Midland

Acute Care Hospitals · Midland, MI
4/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number230222
Location4000 Wellness DriveMidland, MI 48670 · Midland County
Birthing friendly

Mymichigan Medical Center Gladwin

Critical Access Hospitals · Gladwin, MI
OwnershipVoluntary non-profit - Private
CMS Certification Number231325
Location515 Quarter StreetGladwin, MI 48624 · Gladwin County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 48640 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.

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.

ANN E DULL PT
Physical Therapist
4401 N CAMPUS RIDGE DR, C2000
MIDLAND, MI 48640
Midland County (989) 837-9130
SHEREE CLARK M.D.
Family Medicine
4401 N CAMPUS RIDGE DR, SUITE 2100
MIDLAND, MI 48640
Midland County (989) 837-9300
MONICA DHAR M.D.
Pediatrics
4401 N CAMPUS RIDGE DR, SUITE D2400
MIDLAND, MI 48640
Midland County (989) 837-9250
DR. MICHAEL J MISCHLEY PH.D.
Psychologist (Clinical)
4401 N CAMPUS RIDGE DR, SUITE C2000
MIDLAND, MI 48640
Midland County (989) 941-1112
JOHN C HOUGH MD
Family Medicine
4401 N CAMPUS RIDGE DR, SUITE C2100
MIDLAND, MI 48640
Midland County (989) 837-9200
MARY ELIZABETH GERALDINE WHEELDON NP-C
Nurse Practitioner
4401 N CAMPUS RIDGE DR, STE 2450
MIDLAND, MI 48640
Midland County (989) 839-1386
CARL LOVELL MD
Family Medicine
4401 N CAMPUS RIDGE DR, SUITE D2100
MIDLAND, MI 48640
Midland County (989) 837-9300
DR. SANDEEP SAMBRANI RAO M.D.
Obstetrics & Gynecology (Obstetrics)
4401 N CAMPUS RIDGE DR, #B2200
MIDLAND, MI 48640
Midland County (989) 837-9400

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 Carlos Diola's NPI number?

The NPI number for Carlos Diola is 1225022387. It was assigned to this individual provider in the NPPES registry on September 6, 2005.

Where is Carlos Diola located?

Carlos Diola practices at 4401 N Campus Ridge Dr Ste C2100, Midland, MI 48640. The listed phone number is (989) 837-9033.

What is Carlos Diola's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Rheumatology, with taxonomy code 207RR0500X.

Is Carlos Diola enrolled in Medicare?

Yes. Carlos Diola 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 Carlos Diola accept?

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

According to CMS data, Carlos Diola is affiliated with Mymichigan Medical Center Alpena, Ascension St Mary's Hospital, Mymichigan Medical Center West Branch, Mymichigan Medical Center Midland and Mymichigan Medical Center Gladwin.

When was this NPI record last updated?

The NPPES record for Carlos Diola was last updated on August 4, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.