Jeffrey Mundorf, M.D.
NPI 1598746174 · Gastroenterology Physician · San Luis Obispo, CA
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jeffrey Mundorf, M.D. is a Gastroenterology Physician provider in San Luis Obispo, CA (NPI 1598746174).
Provider details
- NPI number
- 1598746174
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A50612 (CA)
Specialties & taxonomies
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
4 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
1,721 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) |
|---|---|---|
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 342 | $259 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 262 | $84 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 219 | $98 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 201 | $138 |
| Colorectal Cancer Screening; Colonoscopy on Individual at High RiskG0105 | 175 | $189 |
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 |
|---|---|---|
| Pantoprazole Sodium | 112 | 32 |
| Omeprazole | 97 | 33 |
| Famotidine | 45 | 17 |
| Mesalamine | 31 | — |
| Dexlansoprazolebrand: Dexlansoprazole Dr | 20 | — |
| Balsalazide Disodium | 19 | — |
| Ondansetron Hcl | 19 | — |
| Amitriptyline Hcl |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$149 across 1 record (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 (3)
- 850 Fair Oaks Ave Ste 220Arroyo Grande, CA 93420-3929Phone: (805) 434-5530Fax: (805) 786-4220
- 1325 E Church St Ste 202Santa Maria, CA 93454-5915Phone: (805) 346-3456Fax: (805) 346-3454
- 350 Posada Ln Ste 202Templeton, CA 93465-4060Phone: (805) 434-5497Fax: (805) 434-0917
Registry dates
- Enumerated
- 2005-11-09
- Last updated
- 2024-10-02
- Certified
- 2024-10-02
Frequently asked questions
- What is Jeffrey Mundorf's NPI number?
- Jeffrey Mundorf's National Provider Identifier (NPI) is 1598746174, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jeffrey Mundorf's specialty?
- Jeffrey Mundorf is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Jeffrey Mundorf located?
- Jeffrey Mundorf's practice location on file with NPPES is 1551 Bishop St Ste 230, San Luis Obispo, CA 93401-4661.
- What is Jeffrey Mundorf's phone number?
- The practice phone number listed in the NPPES registry for Jeffrey Mundorf is (805) 434-5530.
- Does Jeffrey Mundorf accept Medicare?
- Jeffrey Mundorf is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jeffrey Mundorf's NPI active?
- Yes — Jeffrey Mundorf's NPI (1598746174) is active in the NPPES registry as of the last update on 2024-10-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.