ALYSSA REN MD
NPI 1811331903
Family Medicine in San Francisco, CA

Q: What is Alyssa Ren's NPI number?

The NPI number for Alyssa Ren is 1811331903. It was assigned to this individual provider in the NPPES registry on April 19, 2013.

Q: What is Alyssa Ren's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Q: When was this NPI record last updated?

The NPPES record for Alyssa Ren was last updated on March 14, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.

Active since April 19, 2013PECOS EnrolledAccepts Medicare Assignment

4 EMBARCADERO CTR LBBY LEVEL5TH, SAN FRANCISCO, CA 94111(415) 529-4566(415) 252-7176 Get Directions Write a Review

NPPES record last updated: March 14, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Mar 14, 2025, Feb 20, 2019 (2 updates tracked since 2019).

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About Alyssa Ren Md NPPES

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

ALYSSA REN MD (NPI 1811331903) is an individual family medicine provider in San Francisco, California, licensed in California (141628) and active in the NPI registry since April 2013. She is enrolled in Medicare PECOS and is a graduate of Morehouse School Of Medicine (2012).

NPPES Registry Identity

NPI1811331903

Entity TypeIndividualFemale

Primary Taxonomy207Q00000X

Provider Legal NameALYSSA RENCredential: MD

Location Address4 EMBARCADERO CTR LBBY LEVEL5THSan Francisco, CA 94111-4174

Mailing Address130 Sutter St Fl 2San Francisco, CA 94104-4009 · (415) 658-6791

Phone(415) 529-4566

Fax(415) 252-7176

Sole ProprietorNo

Medical School CMSMorehouse School Of MedicineGraduated 2012

Enumeration DateApril 19, 2013

Last NPPES UpdateMarch 14, 20252 updates tracked since enumeration

NPPES CertifiedMarch 14, 2025

✔ NPI 1811331903 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207Q00000X

License✔ Licensed in CA · 141628

Definition

Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.

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

4 EMBARCADERO CTR LBBY LEVEL5TH, San Francisco, CA 94111

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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

Alyssa Ren 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 ID547553877

PECOS Enrollment IDI20160725002508

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.

Areas of Expertise CMS Part B claims 3

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.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

44 services23 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

24 services16 patients

Insertion of needle into vein for collection of blood sample 36415

This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.

22 services16 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94111 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

$104.51 typical visit price

range $69.00 – $202.35

Typical copayment $26.12 (range $17.25 – $50.58)

Most-billed visit code 99203

Established Patient

$119.48 typical visit price

range $23.44 – $166.46

Typical copayment $29.87 (range $5.86 – $41.61)

Most-billed visit code 99214

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

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 Alyssa Ren's NPI number?

The NPI number for Alyssa Ren is 1811331903. It was assigned to this individual provider in the NPPES registry on April 19, 2013.

Where is Alyssa Ren located?

Alyssa Ren practices at 4 Embarcadero Ctr Lbby Level5th, San Francisco, CA 94111. The listed phone number is (415) 529-4566.

What is Alyssa Ren's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Alyssa Ren enrolled in Medicare?

Yes. Alyssa Ren 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.

When was this NPI record last updated?

The NPPES record for Alyssa Ren was last updated on March 14, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.