Quick answers
- Does Irina Natapov accept Medicare assignment?
- Yes. Medicare's clinician data says Irina Natapov accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Irina Natapov see?
- In 2024, CMS data shows 80 Original Medicare patients and 404 services for Irina Natapov. This counts Original Medicare only and measures volume, not quality.
- What is Irina Natapov's NPI number?
- 1619979408. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Irina Natapov, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 80 |
|---|---|
| Services billed to Medicare | 404 |
| Different services or procedures | 15 |
| Participating Medicare provider | Yes |
| Average age of these patients | 80 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)194 services
- Physician or allowed practitioner re-certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians a (G0179)68 services
- Telephone medical discussion with physician, 11-20 minutes (99442)25 services
- Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and (G0180)21 services
- Advance care planning, first 30 minutes (99497)20 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure75%
- High cholesterol75%
- Diabetes39%
- Arthritis39%
- Ischemic heart disease38%
- Chronic kidney disease31%
Hospitals where Irina Natapov works
Medicare's Facility Affiliation Data lists Irina Natapov at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Massachusetts General HospitalBoston, MA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 220071
- North Shore Medical Center -Salem, MA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 220035
Practice locations
Addresses where Irina Natapov is enrolled with Medicare (CMS data updated October 2, 2026).
- 1075 Westford St, 204 Lowell Primary Care CenterLowell, MA 01851 (978) 455‑7992
- 24 State StLynn, MA 01901 (781) 581‑6181
- 280 Union St, Suite 402Lynn, MA 01901 (781) 780‑7755
Group practices
Medicare enrollment lists Irina Natapov as a member of these groups (CMS data updated October 2, 2026).
- Bayon Medical Group, LLC7 clinicians in the group
- Alexeyenko Medical Associates PC3 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Lowell
Clinicians with the same Medicare primary specialty in Lowell, MA — not a recommendation.
Other clinicians in Bayon Medical Group, LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1976 (50 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1619979408 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians