Mark Spitzer
NPI 1407848435 · Otolaryngology Physician · Merced, CA
Enrolled with Medicare as Practitioner - Otolaryngology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Spitzer is a Otolaryngology Physician provider in Merced, CA (NPI 1407848435).
Provider details
- NPI number
- 1407848435
- Entity type
- Individual
- Primary specialty
- Otolaryngology PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- No
- License
- 20A5347 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 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
1,207 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 653 | $97 |
| Removal of Impacted Ear Wax69210 | 228 | $49 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 88 | $136 |
| Exam of Ear Using a Microscope92504 | 67 | $32 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212 | 47 | $60 |
| Telephone Medical Discussion With Physician, 11-20 Minutes99442 | 45 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 14 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 452 | 117 |
| Fluticasone Propionate | 143 | 49 |
| Levocetirizine Dihydrochloride | 116 | 26 |
| Omeprazole | 115 | 33 |
| Azelastine Hcl | 96 | 29 |
| Levothyroxine Sodiumbrand: Synthroid | 86 | 21 |
| Ipratropium Bromide | 52 | 13 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-08-16
- Last updated
- 2025-12-16
- Certified
- 2025-12-16
Frequently asked questions
- What is Mark Spitzer's NPI number?
- Mark Spitzer's National Provider Identifier (NPI) is 1407848435, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Spitzer's specialty?
- Mark Spitzer is listed in the NPPES registry with a primary specialty of Otolaryngology Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Spitzer located?
- Mark Spitzer's practice location on file with NPPES is 410 E Yosemite Ave Ste B, Merced, CA 95340-8220.
- What is Mark Spitzer's phone number?
- The practice phone number listed in the NPPES registry for Mark Spitzer is (209) 934-8077.
- Does Mark Spitzer accept Medicare?
- Mark Spitzer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Spitzer's NPI active?
- Yes — Mark Spitzer's NPI (1407848435) is active in the NPPES registry as of the last update on 2025-12-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.