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MEHRNOOSH ALMASSI MD
NPI 1679622872
Obstetrics & Gynecology in Walnut Creek, CA

Active since January 09, 2007PECOS EnrolledAccepts Medicare Assignment
1840 SAN MIGUEL DR STE 100, WALNUT CREEK, CA 94596(925) 356-8990(925) 356-8997 Get Directions Write a Review

NPPES record last updated: February 23, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Mehrnoosh Almassi Md NPPES

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

MEHRNOOSH ALMASSI MD (NPI 1679622872) is an individual obstetrics & gynecology provider in Walnut Creek, California, licensed in California (A74962) and active in the NPI registry since January 2007. She is enrolled in Medicare PECOS and is a graduate of Other (2003).

NPPES Registry Identity

NPI1679622872
Entity TypeIndividualFemale
Primary Taxonomy207V00000X
Provider Legal NameMEHRNOOSH ALMASSICredential: MD
Location Address1840 SAN MIGUEL DR STE 100Walnut Creek, CA 94596-8603
Mailing Address1840 San Miguel Dr Ste 100Walnut Creek, CA 94596-8603 · (925) 356-8990 · Fax (925) 356-8997
Phone(925) 356-8990
Fax(925) 356-8997
Sole ProprietorNo
Medical School CMSOtherGraduated 2003
Enumeration DateJanuary 9, 2007
Last NPPES UpdateFebruary 23, 2026
NPPES CertifiedFebruary 23, 2026
✔ NPI 1679622872 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
License✔ Licensed in CA · A74962
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.
1840 SAN MIGUEL DR STE 100, Walnut Creek, CA 94596
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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

Mehrnoosh Almassi 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 ID4183772767
PECOS Enrollment IDI20090508000496
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 7

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 high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
118 services88 patients
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.
79 services55 patients
Cervical or vaginal cancer screening; pelvic and clinical breast examination G0101
This procedure involves checking for health issues in the lower abdomen and chest area. It helps identify early signs of certain conditions, increasing the chance for successful treatment. It's a routine check-up that's important for maintaining good health.
58 services58 patients
Screening papanicolaou smear; obtaining, preparing and conveyance of cervical or vaginal smear to laboratory Q0091
A Papanicolaou smear, often called a Pap smear, is a test to check for changes in cells. A small sample is gently collected from the lower region and sent to a lab for examination. This helps in early detection of potential health issues.
58 services58 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
26 services26 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.
25 services24 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94596 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 2

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MEHRNOOSH ALMASSI MD INC
Obstetrics & Gynecology
1840 SAN MIGUEL DR STE 100
WALNUT CREEK, CA 94596
Contra Costa County (925) 356-8990
ANGELA D'SOUZA
Physical Therapist
1840 SAN MIGUEL DR STE 100
WALNUT CREEK, CA 94596
Contra Costa County (925) 378-7652

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 Mehrnoosh Almassi's NPI number?

The NPI number for Mehrnoosh Almassi is 1679622872. It was assigned to this individual provider in the NPPES registry on January 9, 2007.

Where is Mehrnoosh Almassi located?

Mehrnoosh Almassi practices at 1840 San Miguel Dr Ste 100, Walnut Creek, CA 94596. The listed phone number is (925) 356-8990.

What is Mehrnoosh Almassi's specialty?

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

Is Mehrnoosh Almassi enrolled in Medicare?

Yes. Mehrnoosh Almassi 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 Mehrnoosh Almassi was last updated on February 23, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.