Syed Zain Ayaz, M.D
NPI 1437405388 · Critical Care Medicine (Internal Medicine) Physician · Cumberland, MD
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Syed Zain Ayaz, M.D is a Critical Care Medicine (Internal Medicine) Physician provider in Cumberland, MD (NPI 1437405388).
Provider details
- NPI number
- 1437405388
- Entity type
- Individual
- Primary specialty
- Critical Care Medicine (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D
- Sex
- Male
- Sole proprietor
- Yes
- License
- D0079299 (MD)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
13 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
1,339 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 556 | $112 |
| Critical Care, First 30-74 Minutes99291 | 379 | $201 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 262 | $75 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 73 | $124 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 69 | $164 |
Typical Medicare-allowed amounts for these services range $75–$201 (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.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$74 across 2 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 (2)
- 12500 Willowbrook RdCumberland, MD 21502-6393Phone: (240) 964-7000Fax: (240) 964-8699
- 8813 Waltham Woods RdSuite 204Parkville, MD 21234-2450Phone: (312) 340-1703
Registry dates
- Enumerated
- 2012-07-30
- Last updated
- 2022-06-15
- Certified
- 2022-06-15
Frequently asked questions
- What is Syed Zain Ayaz's NPI number?
- Syed Zain Ayaz's National Provider Identifier (NPI) is 1437405388, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Syed Zain Ayaz's specialty?
- Syed Zain Ayaz is listed in the NPPES registry with a primary specialty of Critical Care Medicine (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Syed Zain Ayaz located?
- Syed Zain Ayaz's practice location on file with NPPES is 12502 Willowbrook Rd, Cumberland, MD 21502-6491.
- What is Syed Zain Ayaz's phone number?
- The practice phone number listed in the NPPES registry for Syed Zain Ayaz is (240) 964-8750.
- Does Syed Zain Ayaz accept Medicare?
- Syed Zain Ayaz is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Syed Zain Ayaz's NPI active?
- Yes — Syed Zain Ayaz's NPI (1437405388) is active in the NPPES registry as of the last update on 2022-06-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.