Mark Merlin, DO
NPI 1093899452 · Anesthesiology Physician · Atlanta, GA
Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Merlin, DO is a Anesthesiology Physician provider in Atlanta, GA (NPI 1093899452).
Provider details
- NPI number
- 1093899452
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- OS8982 (FL)
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
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
477 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) |
|---|---|---|
| Anesthesia for Lens Surgery00142 | 122 | $70 |
| Anesthesia for Other Procedure on Urinary System Through Urethra00910 | 70 | $58 |
| Anesthesia for Procedure on Anus and Rectum00902 | 41 | $74 |
| Anesthesia for Other Procedure on Large Bowel Using an Endoscope00811 | 32 | $60 |
| Anesthesia for Procedure on Small and Large Bowel Using an Endoscope00813 | 32 | $76 |
| Anesthesia for Fragmenting, Manipulation And/Or Removal of Kidney Stone Including Use of an Endoscope00918 | 27 | $93 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$40 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
Registry dates
- Enumerated
- 2006-10-24
- Last updated
- 2022-06-28
- Certified
- 2022-06-28
Frequently asked questions
- What is Mark Merlin's NPI number?
- Mark Merlin's National Provider Identifier (NPI) is 1093899452, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Merlin's specialty?
- Mark Merlin is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Merlin located?
- Mark Merlin's practice location on file with NPPES is 1000 Johnson Ferry Rd, Atlanta, GA 30342-1606.
- What is Mark Merlin's phone number?
- The practice phone number listed in the NPPES registry for Mark Merlin is (404) 851-1000.
- Does Mark Merlin accept Medicare?
- Mark Merlin is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Merlin's NPI active?
- Yes — Mark Merlin's NPI (1093899452) is active in the NPPES registry as of the last update on 2022-06-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.