MOHAMED ALTATTAN M.D.
NPI 1477932093
Internal Medicine - Rheumatology in Royal Oak, MI

Active since May 28, 2015PECOS EnrolledAccepts Medicare Assignment
62.85/100
CMS Quality Rating
30701 WOODWARD AVE STE 314S, ROYAL OAK, MI 48073(248) 955-9229(248) 955-9228 Get Directions Write a Review

NPPES record last updated: February 25, 2026. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: Oct 17, 2023, Aug 14, 2023, Jul 21, 2022 and 2 more (5 updates tracked since 2018).

About Mohamed Altattan M.d. NPPES

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

MOHAMED ALTATTAN M.D. (NPI 1477932093) is an individual rheumatology provider in Royal Oak, Michigan, licensed in Michigan (4301508147) and active in the NPI registry since May 2015. He is enrolled in Medicare PECOS, is affiliated with Beaumont Hospital Royal Oak, and is a graduate of Other (2015).

NPPES Registry Identity

NPI1477932093
Entity TypeIndividualMale
Primary Taxonomy207RR0500X
Provider Legal NameMOHAMED ALTATTANCredential: M.D.
Location Address30701 WOODWARD AVE STE 314SRoyal Oak, MI 48073-0987
Mailing Address30701 Woodward Ave Ste 314sRoyal Oak, MI 48073-0987 · (248) 955-9229 · Fax (248) 955-9228
Fax(248) 955-9228
Sole ProprietorYes
Medical School CMSOtherGraduated 2015
Enumeration DateMay 28, 2015
Last NPPES UpdateFebruary 25, 20265 updates tracked since enumeration
NPPES CertifiedFebruary 25, 2026
✔ NPI 1477932093 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · RheumatologyAllopathic & Osteopathic Physicians
Taxonomy Code207RR0500X
License✔ Licensed in MI · 4301508147
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.
Also ListedInternal MedicineTaxonomy 207R00000X · License 35134136 (OH)
30701 WOODWARD AVE STE 314S, Royal Oak, MI 48073

Other Identifiers 2

Medicaid1477932093MI
Medicaid0302440OH

Accepted 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

Mohamed Altattan 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 ID6608183223
PECOS Enrollment IDI20230821002632
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 Mohamed Altattan reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

General Practice
306 S WASHINGTON AVE STE 600
Royal Oak, MI 48067
  • Reassigned Medicare billing, Michigan enrollment
  • 97 clinicians in this Medicare group
Rheumatology
39242 DEQUINDRE ROAD, SUITE 103
Sterling Heights, MI 48310
  • Reassigned Medicare billing, Michigan enrollment
  • 9 clinicians in this Medicare group
Internal Medicine
1320 MERCY DR NW
Canton, OH 44708
  • Reassigned Medicare billing, Ohio enrollment
  • 456 clinicians in this Medicare group

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 15

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.

Injection, certolizumab pegol, 1 mg (code may be used for medicare when drug administered under the direct supervision of a physician, not for use when drug is self administered) J0717
Certolizumab pegol is a medication injected under a doctor's supervision. It's used to treat certain inflammatory conditions like rheumatoid arthritis. The injection helps reduce symptoms like pain and swelling. Note that this drug isn't for self-administration.
39,200 services19 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.
437 services181 patients
Injection, triamcinolone acetonide, not otherwise specified, 10 mg J3301
Triamcinolone acetonide is a medication used to reduce inflammation in the body. It's given as a 10 mg injection for conditions like allergies, arthritis, or skin problems. The injection helps to decrease swelling, redness, and itching.
264 services43 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.
223 services137 patients
Administration of non-hormonal anti-neoplastic chemotherapy under skin or into muscle 96401
This procedure involves giving anti-cancer drugs, which don't contain hormones, into the muscle or under the skin. These drugs help to stop the growth of cancer cells. The process is usually quick and done by a healthcare professional.
195 services19 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.
153 services153 patients

Hospital Affiliations CMS Care Compare 2

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

Beaumont Hospital Royal Oak

Acute Care Hospitals · Royal Oak, MI
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number230130
Location3601 W Thirteen Mile RdRoyal Oak, MI 48073 · Oakland County
Emergency services Birthing friendly

Beaumont Hospital - Farmington Hills

Acute Care Hospitals · Farmington Hills, MI
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number230151
Location28050 Grand River AvenueFarmington Hills, MI 48336 · Oakland County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 48073 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.

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.

62.85/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality66.85
Improvement Activities40
Cost20.36

Other Providers at the Same Location NPPES

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

Internal Medicine (Rheumatology)
30701 WOODWARD AVE STE 314S
ROYAL OAK, MI 48073

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 Mohamed Altattan's NPI number?

The NPI number for Mohamed Altattan is 1477932093. It was assigned to this individual provider in the NPPES registry on May 28, 2015.

Where is Mohamed Altattan located?

Mohamed Altattan practices at 30701 Woodward Ave Ste 314S, Royal Oak, MI 48073. The listed phone number is (248) 955-9229.

What is Mohamed Altattan's specialty?

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

Is Mohamed Altattan enrolled in Medicare?

Yes. Mohamed Altattan 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 Mohamed Altattan's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mohamed Altattan reassigns Medicare benefits to 3 organizations: Sciometrix LLC (Royal Oak, MI), American Arthritis & Rheumatology Associates -Mi PLLC (Sterling Heights, MI) and Hospitalist Medicine Physicians Of Richland County, Ltd (Canton, OH). 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 Mohamed Altattan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Mohamed Altattan accept?

Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, Antidote Health Plan of Ohio, Inc. and Blue Care Network of Michigan and 4 other insurers list Mohamed Altattan 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 Mohamed Altattan affiliated with any hospitals?

According to CMS data, Mohamed Altattan is affiliated with Beaumont Hospital Royal Oak and Beaumont Hospital - Farmington Hills.

When was this NPI record last updated?

The NPPES record for Mohamed Altattan was last updated on February 25, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.