DR. HAIYAN RAMIREZ BATLLE M.D.
NPI 1851740708
Internal Medicine in San Quentin, CA
About Dr. Haiyan Ramirez Batlle M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. HAIYAN RAMIREZ BATLLE M.D. (NPI 1851740708) is an individual internal medicine provider in San Quentin, California, licensed in California (A162085) and active in the NPI registry since June 2016. He is enrolled in Medicare PECOS, maintains a secondary practice location in San Francisco, and is a graduate of Warren Alpert Medical School Of Brown University (2016).
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Haiyan Ramirez Batlle M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
2Medicare enrollment records show Haiyan Ramirez Batlle reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
San Francisco, CA 94133
- Reassigned Medicare billing, California enrollment
- 1,573 clinicians in this Medicare group
San Francisco, CA 94110
- Reassigned Medicare billing, California enrollment
- Also billed through NPI 1386619344 (California)
- 637 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 2
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 94964 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SAN QUENTIN, CA 94964
SAN QUENTIN, CA 94964
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Haiyan Ramirez Batlle's NPI number?
The NPI number for Haiyan Ramirez Batlle is 1851740708. It was assigned to this individual provider in the NPPES registry on June 10, 2016.
Where is Haiyan Ramirez Batlle located?
Haiyan Ramirez Batlle practices at 1 Main St, San Quentin, CA 94964. The listed phone number is (415) 454-1460.
What is Haiyan Ramirez Batlle's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Haiyan Ramirez Batlle enrolled in Medicare?
Yes. Haiyan Ramirez Batlle is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Haiyan Ramirez Batlle's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Haiyan Ramirez Batlle reassigns Medicare benefits to 2 organizations: City & County Of San Francisco (San Francisco, CA) and University Of California Sfgh Medical Group (San Francisco, CA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Haiyan Ramirez Batlle's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Haiyan Ramirez Batlle was last updated on October 6, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Dr. Haiyan Ramirez Batlle, M.D. · NPI 1851740708
Internal Medicine physician in San Quentin, California. Individual provider, active in the CMS NPPES registry since June 10, 2016.
## Identity
- **NPI:** 1851740708 (Entity type: Individual)
- **Enumerated:** June 10, 2016
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** A162085 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 1 MAIN ST, San Quentin, CA 94964-1000
- **Phone:** (415) 454-1460
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): City & County Of San Francisco (NPI 1023579356, San Francisco, CA); University Of California Sfgh Medical Group (NPI 1356696215, San Francisco, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Warren Alpert Medical School Of Brown University, class of 2016
## Record status
- **NPPES last updated:** October 6, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1851740708) · Data from the CMS NPPES public registry.