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DR. MOHAMAD AMMAR HATAHET MD
NPI 1952364242
Internal Medicine in Waterford, MI

Active since April 09, 2006PECOS Enrolled
4000 HIGHLAND RD, SUITE 110, WATERFORD, MI 48328(248) 681-2226(248) 681-6494 Get Directions Write a Review

NPPES record last updated: March 19, 2014. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Dr. Mohamad Ammar Hatahet Md NPPES

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

DR. MOHAMAD AMMAR HATAHET MD (NPI 1952364242) is an individual internal medicine provider in Waterford, Michigan, licensed in Michigan (4301056359) and active in the NPI registry since April 2006. He is enrolled in Medicare PECOS, is affiliated with Trinity Health Oakland Hospital, and is a graduate of Other (1988).

NPPES Registry Identity

NPI1952364242
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. MOHAMAD AMMAR HATAHETCredential: MD
Location Address4000 HIGHLAND RD, SUITE 110Waterford, MI 48328-2167
Mailing Address4000 Highland Rd, Ste 110Waterford, MI 48328-2167 · (248) 681-2226 · Fax (248) 681-6494
Phone(248) 681-2226
Fax(248) 681-6494
Sole ProprietorYes
Medical School CMSOtherGraduated 1988
Enumeration DateApril 9, 2006
Last NPPES UpdateMarch 19, 2014
✔ NPI 1952364242 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 · 4301056359
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.
4000 HIGHLAND RD, Waterford, MI 48328
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Other Identifiers 3

Medicaid4671246MI
Medicare UPINF45901MI
Medicare PIN0P47390

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 (PECOS)

Dr. Mohamad Ammar Hatahet Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID2062477284
PECOS Enrollment IDI20041129000828
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

2

Medicare enrollment records show Mohamad Hatahet reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Medical Practice Management Consulting PLLC
0.2 mi
Internal Medicine
3901 HIGHLAND RD STE A
Waterford, MI 48328
  • Reassigned Medicare billing, Michigan enrollment
NPI 1275731788 (248) 681-2226
Hatahet Center PLLC
0.2 mi
Internal Medicine
3901 HIGHLAND RD, STE A
Waterford, MI 48328
  • Reassigned Medicare billing, Michigan enrollment
NPI 1629762497 (248) 681-2226

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 9

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.
145 services54 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.
132 services47 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.
103 services44 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.
95 services46 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.
72 services65 patients
Hospital discharge day management, more than 30 minutes 99239
Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.
63 services56 patients

Hospital Affiliations CMS Care Compare 3

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

Trinity Health Oakland Hospital

Acute Care Hospitals · Pontiac, MI
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number230029
Location44405 Woodward AvePontiac, MI 48341 · Oakland County
Emergency services Birthing friendly

Mclaren Oakland

Acute Care Hospitals · Pontiac, MI
1/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number230207
Location50 N Perry StPontiac, MI 48342 · Oakland County
Emergency services

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 48328 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 6

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

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
7 suppliers17 claims47 services$6.43 avg. paid by Medicare
Lancets, per box of 100 A4259
DME-Medical/Surgical Supplies · category DA000N
4 suppliers12 claims15 services$1.11 avg. paid by Medicare
Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431
DME-Oxygen and Supplies · category DC000N
3 suppliers20 claims20 services$12.88 avg. paid by Medicare
External ambulatory infusion pump, insulin E0784
DME-Other DME · category DE017N
1 supplier12 claims12 services$299.89 avg. paid by Medicare
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
3 suppliers21 claims21 services$63.30 avg. paid by Medicare
Supply allowance for therapeutic continuous glucose monitor (cgm), includes all supplies and accessories, 1 month supply = 1 unit of service K0553
DME-Other DME · category DE017N
1 supplier13 claims13 services$184.82 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 18

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

PHAN H THANH M D P C
Surgery
4000 HIGHLAND RD, SUITE 110
WATERFORD, MI 48328
Oakland County (248) 681-1025
GI DIAGNOSTIC CENTER WATERFORD
Specialist
4000 HIGHLAND RD, SUITE 100
WATERFORD, MI 48328
Oakland County (248) 682-4900
SAFIUL HASAN M.D.
Specialist
4000 HIGHLAND RD, SUITE 100
WATERFORD, MI 48328
Oakland County (248) 682-4900
ALJUNDI MEDICAL PLLC
Internal Medicine
4000 HIGHLAND RD, SUITE 104
WATERFORD, MI 48328
Oakland County (248) 635-0367
UPENDRA DHANJAL MD PLC
Internal Medicine (Pulmonary Disease)
4000 HIGHLAND RD, STE 130
WATERFORD, MI 48328
Oakland County (248) 681-7909
HIGHLAND PHARMACY LLC
Pharmacist
4000 HIGHLAND RD, SUITE#113
WATERFORD, MI 48328
Oakland County (248) 977-1394
THANH HUU PHAN MD
Surgery
4000 HIGHLAND RD, #110
WATERFORD TWP, MI 48328
Oakland County (248) 681-1025
DR. ABDUL RAHMAN HASAN M.D.
Internal Medicine (Cardiovascular Disease)
4000 HIGHLAND RD, SUITE 109
WATERFORD, MI 48328
Oakland County (248) 738-9500

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 Mohamad Hatahet's NPI number?

The NPI number for Mohamad Hatahet is 1952364242. It was assigned to this individual provider in the NPPES registry on April 9, 2006.

Where is Mohamad Hatahet located?

Mohamad Hatahet practices at 4000 Highland Rd Suite 110, Waterford, MI 48328. The listed phone number is (248) 681-2226.

What is Mohamad Hatahet's specialty?

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

Is Mohamad Hatahet enrolled in Medicare?

Yes. Mohamad Hatahet is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Mohamad Hatahet's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mohamad Hatahet reassigns Medicare benefits to 2 organizations: Medical Practice Management Consulting PLLC (Waterford, MI) and Hatahet Center PLLC (Waterford, 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 Mohamad Hatahet's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Mohamad Hatahet 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 Mohamad Hatahet 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 Mohamad Hatahet affiliated with any hospitals?

According to CMS data, Mohamad Hatahet is affiliated with Trinity Health Oakland Hospital, Mclaren Oakland and Beaumont Hospital, Troy.

When was this NPI record last updated?

The NPPES record for Mohamad Hatahet was last updated on March 19, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.