Ok Chaekal, MD
NPI 1093701021 · Hematology (Pathology) Physician · New York, NY
Enrolled with Medicare as Practitioner - Hematology/Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ok Chaekal, MD is a Hematology (Pathology) Physician provider in New York, NY (NPI 1093701021).
Provider details
- NPI number
- 1093701021
- Entity type
- Individual
- Primary specialty
- Hematology (Pathology) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 263766 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
350 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 210 | $137 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 86 | $112 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 21 | $164 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 19 | $93 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More99205 | 14 | $173 |
Typical Medicare-allowed amounts for these services range $93–$173 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, 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 · 12 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Lenalidomide | 134 | 27 |
| Acyclovir | 66 | 25 |
| Lenalidomidebrand: Revlimid | 52 | 14 |
| Ixazomib Citratebrand: Ninlaro | 26 | — |
| Pomalidomidebrand: Pomalyst | 24 | — |
| Prednisone | 24 | — |
| Prochlorperazine Maleate | 22 | 14 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,819 across 7 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
Additional practice locations (1)
- 156 William St Fl 7New York, NY 10038-5327Phone: (212) 312-5080Fax: (212) 312-5998
Registry dates
- Enumerated
- 2005-09-26
- Last updated
- 2021-03-25
- Certified
- 2021-03-25
Frequently asked questions
- What is Ok Chaekal's NPI number?
- Ok Chaekal's National Provider Identifier (NPI) is 1093701021, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ok Chaekal's specialty?
- Ok Chaekal is listed in the NPPES registry with a primary specialty of Hematology (Pathology) Physician (Allopathic & Osteopathic Physicians).
- Where is Ok Chaekal located?
- Ok Chaekal's practice location on file with NPPES is 525 E 68th St, New York, NY 10065-4870.
- What is Ok Chaekal's phone number?
- The practice phone number listed in the NPPES registry for Ok Chaekal is (212) 746-6365.
- Does Ok Chaekal accept Medicare?
- Ok Chaekal is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ok Chaekal's NPI active?
- Yes — Ok Chaekal's NPI (1093701021) is active in the NPPES registry as of the last update on 2021-03-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.