Robert Kalayjian, MD
NPI 1427150135 · Infectious Disease Physician · Cleveland, OH
Enrolled with Medicare as Practitioner - Infectious Disease · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Robert Kalayjian, MD is a Infectious Disease Physician provider in Cleveland, OH (NPI 1427150135).
Provider details
- NPI number
- 1427150135
- Entity type
- Individual
- Primary specialty
- Infectious Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 35057247 (OH)
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
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
69 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 | 50 | $92 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 19 | $16 |
Typical Medicare-allowed amounts for these services range $16–$92 (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 · 83 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Bictegrav/Emtricit/Tenofov Alabrand: Biktarvy | 284 | 33 |
| Emtricitab/Rilpiviri/Tenof Alabrand: Odefsey | 126 | 17 |
| Emtricitabine/Tenofov Alafenambrand: Descovy | 106 | — |
| Atorvastatin Calcium | 102 | 20 |
| Abacavir/Dolutegravir/Lamivudibrand: Triumeq | 94 | — |
| Dolutegravir Sodiumbrand: Tivicay | 81 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-09-02
- Last updated
- 2021-12-27
Frequently asked questions
- What is Robert Kalayjian's NPI number?
- Robert Kalayjian's National Provider Identifier (NPI) is 1427150135, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Robert Kalayjian's specialty?
- Robert Kalayjian is listed in the NPPES registry with a primary specialty of Infectious Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Robert Kalayjian located?
- Robert Kalayjian's practice location on file with NPPES is 2500 Metrohealth Dr, Cleveland, OH 44109-1900.
- What is Robert Kalayjian's phone number?
- The practice phone number listed in the NPPES registry for Robert Kalayjian is (216) 778-7800.
- Does Robert Kalayjian accept Medicare?
- Robert Kalayjian is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Robert Kalayjian's NPI active?
- Yes — Robert Kalayjian's NPI (1427150135) is active in the NPPES registry as of the last update on 2021-12-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.