Nicholas Haddad, MD
NPI 1770688111 · Infectious Disease Physician · Saginaw, MI
Enrolled with Medicare as Practitioner - Infectious Disease · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nicholas Haddad, MD is a Infectious Disease Physician provider in Saginaw, MI (NPI 1770688111).
Provider details
- NPI number
- 1770688111
- Entity type
- Individual
- Primary specialty
- Infectious Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 4301080946 (MI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
124 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 59 | $117 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 34 | $159 |
| Administration of Pneumococcal VaccineG0009 | 17 | $29 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 14 | $86 |
Typical Medicare-allowed amounts for these services range $29–$159 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 19 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Bictegrav/Emtricit/Tenofov Alabrand: Biktarvy | 174 | 20 |
| Elviteg/Cob/Emtri/Tenof Alafenbrand: Genvoya | 55 | — |
| Azithromycin | 32 | — |
| Ethambutol Hcl | 24 | — |
| Rifampin | 23 | — |
| Emtricitab/Rilpiviri/Tenof Alabrand: Odefsey | 20 | — |
| Dolutegravir Sodiumbrand: Tivicay | 20 | — |
Practice location
Mailing address
Additional practice locations (2)
- 1000 Houghton AveSaginaw, MI 48602-5303Phone: (989) 746-7500
- 1500 Weiss StreetSaginaw, MI 48602Phone: (989) 497-2500
Registry dates
- Enumerated
- 2006-09-13
- Last updated
- 2026-01-09
- Certified
- 2026-01-09
Frequently asked questions
- What is Nicholas Haddad's NPI number?
- Nicholas Haddad's National Provider Identifier (NPI) is 1770688111, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nicholas Haddad's specialty?
- Nicholas Haddad is listed in the NPPES registry with a primary specialty of Infectious Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Nicholas Haddad located?
- Nicholas Haddad's practice location on file with NPPES is 1015 S Washington Ave, Saginaw, MI 48601-2556.
- What is Nicholas Haddad's phone number?
- The practice phone number listed in the NPPES registry for Nicholas Haddad is (989) 746-7500.
- Does Nicholas Haddad accept Medicare?
- Nicholas Haddad is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nicholas Haddad's NPI active?
- Yes — Nicholas Haddad's NPI (1770688111) is active in the NPPES registry as of the last update on 2026-01-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.