Individual provider

Dafer Al-haddadin, MD

Infectious Disease Physician Medicare enrolled

Dafer Al-haddadin, MD is an Infectious Disease Physician in Portsmouth, NH, registered under NPI 1932192945.

Getting there

The practice address on file is 155 BORTHWICK AVE STE 202, Portsmouth, NH 03801. We have not yet mapped what surrounds this office — parking, transit, and nearby pharmacies are added as our data collection reaches each location.

155 BORTHWICK AVE STE 202, Portsmouth, NH 03801 Open in Google Maps →

Credentials and Medicare

State licence
LicenceStateSpecialty
01068171 IN Infectious Disease Physician primary
2008004909 MO Infectious Disease Physician
MD38698 TN Infectious Disease Physician

Licences are recorded in 3 states: IN, MO, TN. Providers licensed in several states often practise near a state border or deliver telehealth across state lines.

Medicare (PECOS)
Status
Approved
Provider type
Practitioner - Infectious Disease
PAC ID
8022098235

Medicare enrolment is recorded as approved under the provider type Practitioner - Infectious Disease. This means the provider is enrolled to bill Medicare, though it does not tell you whether they are currently accepting new Medicare patients. Call the office to confirm.

Licensed in 3 states

This provider holds licences in 3 states: Indiana, Missouri and Tennessee. Multi-state licensure often means the provider works near a state border, covers more than one office, or delivers care by telehealth. If the address above is far from you, it is worth calling to ask whether they practise closer to where you live.

IN Indiana
Licence
01068171
Specialty
Infectious Disease Physician
Verify with the IN board →
MO Missouri
Licence
2008004909
Specialty
Infectious Disease Physician
Verify with the MO board →
TN Tennessee
Licence
MD38698
Specialty
Infectious Disease Physician
Verify with the TN board →

Licence numbers are self-reported to NPPES at registration. They do not confirm a licence is currently active, in good standing, or valid for the specialty shown — only the state board can tell you that, which is why we link to each one.

What Infectious Disease covers

An internist who deals with infectious diseases of all types and in all organ systems. Conditions requiring selective use of antibiotics call for this special skill. This physician often diagnoses and treats AIDS patients and patients with fevers which have not been explained. Infectious disease specialists may also have expertise in preventive medicine and travel medicine. NUCC Health Care Provider Taxonomy, code 207RI0200X
Allopathic & Osteopathic Physicians Internal Medicine Infectious Disease

All registered taxonomy codes

This provider registers 3 taxonomy codes. The primary code is what appears on most claims; the others record additional recognised specialties.

CodeSpecialtyLicenceState
207RI0200X Infectious Disease Physician Infectious Disease 01068171 IN primary
207RI0200X Infectious Disease Physician Infectious Disease 2008004909 MO
207RI0200X Infectious Disease Physician Infectious Disease MD38698 TN

The taxonomy records how the provider classifies their own practice. It does not confirm which conditions they currently treat, whether they are accepting new patients, or which insurance they take — call the office for that.

Full NPPES record

An NPI-1 identifies a single person. It stays with the clinician for life, even if they move practice or change state, which is why the address on file can lag behind where they actually work today.

NPI1932192945 valid check digit
Entity typeIndividual (NPI-1)
Enumeration dateAug 24, 2005
Last updatedNov 11, 2023
StatusActive
Sole proprietorNo
CredentialMD
Practice address 155 BORTHWICK AVE STE 202
Portsmouth, NH 03801
(603) 434-8733
Fax (603) 433-8834
Other identifiers P00467411 · RAILROAD MEDICARE
200132160A (OK)
200546850A (KS)
208360206 (MO)
221420 · BLUES
200984520 (IN)
This record was updated on Nov 11, 2023, which is recent enough that the contact details are likely still accurate.

Number check

1932192945 passes the NPI check digit test The final digit 5 matches the value computed from the first nine digits, so this is a well-formed NPI.
How the check works, step by step

Every NPI carries a Luhn check digit — the same scheme used on credit cards. CMS prefixes the number with 80840 before computing it, which marks it as a US health identifier.

Digit 8 0 8 4 0 1 9 3 2 1 9 2 9 4
Doubled? ×2 ×2 ×2 ×2 ×2 ×2 ×2
Value 8 0 8 8 0 2 9 6 2 2 9 4 9 8

Sum = 75 · next multiple of 10 = 80 · check digit = 5 · actual last digit = 5

A valid check digit only means the number is well-formed. It does not mean the provider is licensed, active, or in good standing — those are separate questions answered by the sections above.

Common questions

What is NPI number 1932192945?
NPI 1932192945 is the National Provider Identifier assigned to Dafer Al-haddadin, MD in Portsmouth, NH. It is a 10-digit number issued by the Centers for Medicare & Medicaid Services and used on claims, referrals, and prescriptions to identify the provider.
What does Infectious Disease cover?
An internist who deals with infectious diseases of all types and in all organ systems. Conditions requiring selective use of antibiotics call for this special skill. This physician often diagnoses and treats AIDS patients and patients with fevers which have not been explained. Infectious disease specialists may also…
How do I contact Dafer Al-haddadin, MD?
The phone number on file with NPPES is (603) 434-8733, last updated Nov 11, 2023. Because NPPES is only updated when a provider files a change, call ahead to confirm the number and the current practice address before visiting.
Does Dafer Al-haddadin, MD accept Medicare?
This NPI has an approved Medicare enrolment in PECOS, which means the provider is enrolled to bill Medicare. Enrolment does not guarantee they are accepting new Medicare patients — verify directly with the office.
Is NPI 1932192945 a valid number?
Yes. 1932192945 passes the Luhn check digit validation that CMS uses for NPI numbers, and it resolves to an active record in the registry.
How to use this page. Everything here comes from public federal records. Tips Health does not verify quality of care, confirm that a licence is currently active, or check malpractice history, and accepts no fees for placement. A listing is not a recommendation. Verify independently before seeking care.