Mark Titi, MD
NPI 1649268525 · Allergy & Immunology Physician · Lancaster, PA
Enrolled with Medicare as Practitioner - Allergy/Immunology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Titi, MD is a Allergy & Immunology Physician provider in Lancaster, PA (NPI 1649268525).
Provider details
- NPI number
- 1649268525
- Entity type
- Individual
- Primary specialty
- Allergy & Immunology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MD043419L (PA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
2,392 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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) |
|---|---|---|
| Test for Allergy Using Allergenic Extract95004 | 936 | $3 |
| Test for Allergy Using Allergenic Extract Injected Into Skin95024 | 678 | $7 |
| Professional Service for Single Injection of Allergen95115 | 239 | $9 |
| Professional Service for Multiple Injections of Allergen95117 | 189 | $11 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 81 | $118 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 71 | $85 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 18 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Azelastine Hcl | 119 | 48 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 60 | 44 |
| Montelukast Sodium | 59 | 17 |
| Prednisone | 52 | 32 |
| Budesonide/Formoterol Fumaratebrand: Budesonide-Formoterol Fumarate | 34 | 11 |
| Fluticasone/Vilanterolbrand: Breo Ellipta | 31 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$904 across 38 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-10-13
- Last updated
- 2014-10-07
Frequently asked questions
- What is Mark Titi's NPI number?
- Mark Titi's National Provider Identifier (NPI) is 1649268525, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Titi's specialty?
- Mark Titi is listed in the NPPES registry with a primary specialty of Allergy & Immunology Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Titi located?
- Mark Titi's practice location on file with NPPES is 2445 Marietta Ave, Lancaster, PA 17601-1942.
- What is Mark Titi's phone number?
- The practice phone number listed in the NPPES registry for Mark Titi is (717) 393-1365.
- Does Mark Titi accept Medicare?
- Mark Titi is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Titi's NPI active?
- Yes — Mark Titi's NPI (1649268525) is active in the NPPES registry as of the last update on 2014-10-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.