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DR. RAJAN DEWAR M.D., PHD.,
NPI 1306952510
Pathology - Clinical Pathology in Flint, MI

Active since August 21, 2006PECOS EnrolledAccepts Medicare Assignment
3490 CALKINS RD, FLINT, MI 48532(810) 733-7741(855) 618-6655 Get Directions Write a Review

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

Record update history: Mar 16, 2023, Feb 3, 2023, Jul 5, 2019 (3 updates tracked since 2019).

About Dr. Rajan Dewar M.d., Phd., NPPES

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

DR. RAJAN DEWAR M.D., PHD., (NPI 1306952510) is an individual clinical pathology provider in Flint, Michigan, licensed in New York (NY-315695-01) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS, is affiliated with Sinai-grace Hospital, and is a graduate of Other (1993).

NPPES Registry Identity

NPI1306952510
Entity TypeIndividualMale
Primary Taxonomy207ZC0006X
Provider Legal NameDR. RAJAN DEWARCredential: M.D., PHD.,
Location Address3490 CALKINS RDFlint, MI 48532-3506
Mailing Address3630 Charter PlAnn Arbor, MI 48105-2825 · (617) 785-0487
Phone(810) 733-7741
Fax(855) 618-6655
Sole ProprietorNo
Medical School CMSOtherGraduated 1993
Enumeration DateAugust 21, 2006
Last NPPES UpdateMarch 16, 20233 updates tracked since enumeration
NPPES CertifiedMarch 16, 2023
✔ NPI 1306952510 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 5

★ Primary SpecialtyPathology · Clinical PathologyAllopathic & Osteopathic Physicians
Taxonomy Code207ZC0006X
License✔ Licensed in NY · NY-315695-01
Definition
A pathologist deals with the causes and nature of disease and contributes to diagnosis, prognosis and treatment through knowledge gained by the laboratory application of the biologic, chemical and physical sciences. A pathologist uses information gathered from the microscopic examination of tissue specimens, cells and body fluids, and from clinical laboratory tests on body fluids and secretions for the diagnosis, exclusion and monitoring of disease.
Also ListedPathology · HematologyTaxonomy 207ZH0000X · License 4301108298 (MI), 229472 (MA), NY315695-01 (NY)
Also ListedPathology · Molecular Genetic PathologyTaxonomy 207ZP0007X · License 4301108298 (MI), 229472 (MA)
Also ListedPathology · Anatomic PathologyTaxonomy 207ZP0101X · License 4301108298 (MI)
Also ListedPathology · Anatomic Pathology & Clinical PathologyTaxonomy 207ZP0102X · License 4301108298 (MI)
3490 CALKINS RD, Flint, MI 48532
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Other Names 1

Former Name (1)Dr. Muthumarthanda Rajan Mariappan

Other Identifiers 1

Medicaid1306952510MI

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. Rajan Dewar M.d., Phd., 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 ID6204831829
PECOS Enrollment IDI20150821013552, I20241019000107
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 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.

Special stained specimen slides to examine tissue, each additional procedure 88341
Special stained specimen slides are used to analyze tissue in detail. In this process, extra procedures may be needed for a more thorough examination. These involve applying special stains to the tissue on slides, enhancing specific elements for closer study.
137 services19 patients
Blood smear interpretation by physician with written report 85060
Blood smear interpretation is a lab test where your doctor examines a sample of your blood under a microscope. They look for abnormalities in your blood cells which can help diagnose various conditions. You'll receive a written report of the findings.
81 services77 patients
Pathology examination of tissue using a microscope, intermediate complexity 88305
A pathology examination of tissue with intermediate complexity involves studying a small sample of your body tissue under a microscope. This helps in identifying any abnormal cells or signs of disease. It's a detailed process requiring expert analysis to ensure accurate results.
62 services38 patients
Flow cytometry technique for dna or cell analysis, 16 or more markers 88189
Flow cytometry is a method used to measure and analyze cells. It uses a beam of light to detect up to 16 or more markers on cells, helping to identify their type, function, or abnormalities. This technique aids in diagnosing various health conditions.
46 services41 patients
Special stained specimen slides to examine tissue including interpretation and report 88313
Special stained specimen slides are used to examine tissue samples. This involves applying special dyes to the tissue, which helps to highlight certain features under a microscope. The findings are then interpreted and a report is provided. This can aid in diagnosing various health conditions.
39 services27 patients
Crystal identification from tissue or body fluid 89060
Crystal identification from tissue or body fluid is a medical test that helps identify the presence of certain substances in the body. It involves analyzing samples from your body to detect crystals that may indicate health conditions like gout or kidney stones.
35 services35 patients

Hospital Affiliations CMS Care Compare 5

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

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

Promedica Monroe Regional Hospital

Acute Care Hospitals · Monroe, MI
3/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number230099
Location718 N Macomb StMonroe, MI 48162 · Monroe 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

Karmanos Cancer Center

Acute Care Hospitals · Detroit, MI
3/5 CMS rating
OwnershipProprietary
CMS Certification Number230297
Location4100 John RDetroit, MI 48201 · Wayne County

Promedica Toledo Hospital

Acute Care Hospitals · Toledo, OH
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number360068
Location2142 North Cove BoulevardToledo, OH 43606 · Lucas County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 48532 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 4

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

DR. PETER S NG M.D.
Pathology (Anatomic Pathology & Clinical Pathology)
3490 CALKINS RD
FLINT, MI 48532
Genesee County (810) 733-8885
FLINT MEDICAL LABORATORY INCORPORATED
Clinical Medical Laboratory
3490 CALKINS RD
FLINT, MI 48532
Genesee County (810) 733-8885
DR. NADER H BASSILY M.D.
Pathology (Anatomic Pathology & Clinical Pathology)
3490 CALKINS RD
FLINT, MI 48532
Genesee County (810) 733-8885
DR. JULIO E BADIN M.D.
Pathology (Anatomic Pathology & Clinical Pathology)
3490 CALKINS RD
FLINT, MI 48532
Genesee County (810) 733-8885

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 Rajan Dewar's NPI number?

The NPI number for Rajan Dewar is 1306952510. It was assigned to this individual provider in the NPPES registry on August 21, 2006. The provider is also known as Dr. Muthumarthanda Rajan Mariappan.

Where is Rajan Dewar located?

Rajan Dewar practices at 3490 Calkins Rd, Flint, MI 48532. The listed phone number is (810) 733-7741.

What is Rajan Dewar's specialty?

The primary specialty registered for this NPI is Pathology, specializing in Clinical Pathology, with taxonomy code 207ZC0006X.

Is Rajan Dewar enrolled in Medicare?

Yes. Rajan Dewar 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 Rajan Dewar accept?

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

According to CMS data, Rajan Dewar is affiliated with Sinai-Grace Hospital, Promedica Monroe Regional Hospital, Harper University Hospital, Karmanos Cancer Center and Promedica Toledo Hospital.

When was this NPI record last updated?

The NPPES record for Rajan Dewar was last updated on March 16, 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.