ALLISON ALDEN MERZ-HERRALA MD
NPI 1770112492
Obstetrics & Gynecology in San Francisco, CA

Q: What is Allison Merz-herrala's NPI number?

The NPI number for Allison Merz-herrala is 1770112492. It was assigned to this individual provider in the NPPES registry on April 4, 2020.

Q: What is Allison Merz-herrala's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Active since April 04, 2020PECOS EnrolledAccepts Medicare Assignment

1001 POTRERO AVE BLDG 5, SAN FRANCISCO, CA 94110(628) 206-3409(415) 206-3112 Get Directions Write a Review

NPPES record last updated: July 23, 2024. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Jul 23, 2024, Jan 29, 2023, May 11, 2021 and 1 more (4 updates tracked since 2020).

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About Allison Alden Merz-herrala Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

ALLISON ALDEN MERZ-HERRALA MD (NPI 1770112492) is an individual obstetrics & gynecology provider in San Francisco, California, licensed in California (A185547) and active in the NPI registry since April 2020. She is enrolled in Medicare PECOS and is a graduate of Harvard Medical School (2020).

NPPES Registry Identity

NPI1770112492

Entity TypeIndividualFemale

Primary Taxonomy207V00000X

Provider Legal NameALLISON ALDEN MERZ-HERRALACredential: MD

Location Address1001 POTRERO AVE BLDG 5San Francisco, CA 94110-3518

Mailing Address1001 Potrero AveSan Francisco, CA 94110-3594

Phone(628) 206-3409

Fax(415) 206-3112

Sole ProprietorYes

Medical School CMSHarvard Medical SchoolGraduated 2020

Enumeration DateApril 4, 2020

Last NPPES UpdateJuly 23, 20244 updates tracked since enumeration

NPPES CertifiedJuly 23, 2024

✔ NPI 1770112492 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians

Taxonomy Code207V00000X

License✔ Licensed in CA · A185547

Definition

An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.

Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X

1001 POTRERO AVE BLDG 5, San Francisco, CA 94110

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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Allison Alden Merz-herrala Md 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.

PECOS PAC ID3476956061

PECOS Enrollment IDI20240802003309

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94110 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$153.83 typical visit price

range $69.00 – $202.35

Typical copayment $38.45 (range $17.25 – $50.58)

Most-billed visit code 99204

Established Patient

$84.91 typical visit price

range $23.44 – $166.46

Typical copayment $21.22 (range $5.86 – $41.61)

Most-billed visit code 99213

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

DENEASE LASALLE LEAVY-JORDAN

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