Maksim Khayznikov, M.D.
NPI 1659704963 · Internal Medicine Physician · Altoona, PA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Maksim Khayznikov, M.D. is a Internal Medicine Physician provider in Altoona, PA (NPI 1659704963).
Provider details
- NPI number
- 1659704963
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- MD61000079 (WA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
12 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
266 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 128 | $83 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 57 | $111 |
| Hospital Discharge Day Management, 30 Minutes Or Less99238 | 39 | $89 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 27 | $110 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 15 | $176 |
Typical Medicare-allowed amounts for these services range $83–$176 (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 · 25 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Cefpodoxime Proxetil | 64 | 62 |
| Furosemide | 51 | 36 |
| Amlodipine Besylate | 43 | 29 |
| Metoprolol Tartrate | 41 | 31 |
| Famotidine | 40 | 29 |
| Doxycycline Monohydrate | 38 | 37 |
| Ipratropium/Albuterol Sulfatebrand: Combivent Respimat | 34 | 24 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2013-08-11
- Last updated
- 2022-01-26
- Certified
- 2021-04-13
Frequently asked questions
- What is Maksim Khayznikov's NPI number?
- Maksim Khayznikov's National Provider Identifier (NPI) is 1659704963, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Maksim Khayznikov's specialty?
- Maksim Khayznikov is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Maksim Khayznikov located?
- Maksim Khayznikov's practice location on file with NPPES is 620 Howard Ave, Altoona, PA 16601-4804.
- What is Maksim Khayznikov's phone number?
- The practice phone number listed in the NPPES registry for Maksim Khayznikov is (814) 889-2011.
- Does Maksim Khayznikov accept Medicare?
- Maksim Khayznikov is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Maksim Khayznikov's NPI active?
- Yes — Maksim Khayznikov's NPI (1659704963) is active in the NPPES registry as of the last update on 2022-01-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.