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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

TARANNUM GULLER MD
NPI 1972532083
Internal Medicine in Fremont, CA

Active since July 01, 2006PECOS Enrolled
40910 FREMONT BLVD, FREMONT, CA 94538(510) 770-8040(510) 770-8141 Get Directions Write a Review

NPPES record last updated: October 23, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jan 7, 2025, Nov 18, 2017 (2 updates tracked since 2017).

About Tarannum Guller Md NPPES

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

TARANNUM GULLER MD (NPI 1972532083) is an individual internal medicine provider in Fremont, California, licensed in California (A89244) and active in the NPI registry since July 2006. She is enrolled in Medicare PECOS and is a graduate of Other (1999).

NPPES Registry Identity

NPI1972532083
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameTARANNUM GULLERCredential: MD
Location Address40910 FREMONT BLVDFremont, CA 94538-4375
Mailing Address40910 Fremont BlvdFremont, CA 94538-4375 · (510) 770-8040 · Fax (510) 770-8141
Phone(510) 770-8040
Fax(510) 770-8141
Sole ProprietorNo
Medical School CMSOtherGraduated 1999
Enumeration DateJuly 1, 2006
Last NPPES UpdateOctober 23, 20262 updates tracked since enumeration
NPPES CertifiedOctober 23, 2026
✔ NPI 1972532083 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in CA · A89244
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Also ListedHospitalistTaxonomy 208M00000X · License A89244 (CA)
40910 FREMONT BLVD, Fremont, CA 94538
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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

Tarannum Guller 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 ID3971583220
PECOS Enrollment IDI20050516000909
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.

Medicare Billing Reassignments

6

Medicare enrollment records show Tarannum Guller reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Bay Area Community Health
Same address
Federally Qualified Health Center (FQHC)
40910 FREMONT BLVD
Fremont, CA 94538
  • Reassigned Medicare billing, California enrollment
  • 127 clinicians in this Medicare group
NPI 1780054379 (510) 770-8133
County Of Santa Clara
7.6 mi
Federally Qualified Health Center (FQHC)
143 N MAIN ST
Milpitas, CA 95035
  • Reassigned Medicare billing, California enrollment
  • Also billed through NPI 1043354020 (California), NPI 1629301346 (California)
  • 2,460 clinicians in this Medicare group
NPI 1285629899 (408) 885-5000
Quantum Bay Area Hospitalist Medical Group Inc
13 mi
Hospitalist
2500 GRANT RD
Mountain View, CA 94040
  • Reassigned Medicare billing, California enrollment
  • 217 clinicians in this Medicare group
NPI 1902279656 (650) 940-7000
Bass Medical Group
13 mi
Orthopaedic Surgery
19842 LAKE CHABOT RD
Castro Valley, CA 94546
  • Reassigned Medicare billing, California enrollment
  • 347 clinicians in this Medicare group
NPI 1093181646 (510) 886-8844
Merced Hospitalist Medical Group, Inc.
83 mi
Internal Medicine
333 MERCY AVE
Merced, CA 95340
  • Reassigned Medicare billing, California enrollment
  • 126 clinicians in this Medicare group
NPI 1730431875 (209) 564-5000
Hospitalist Medicine Physicians Of California, Inc
334 mi
Internal Medicine
18300 US HIGHWAY 18
Apple Valley, CA 92307
  • Reassigned Medicare billing, California enrollment
  • 914 clinicians in this Medicare group
NPI 1184663965 (760) 946-4233

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94538 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
$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.

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.

Reported Quality Measures

Care Plan
Percentage of patients aged 65 years and older who have an advance care plan or surrogate decision maker documented in the medical record that an advance care plan was discussed but the patient did not wish or was not able to name a surrogate decision maker…
13%77 patients1/55-star benchmark: 100%
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

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.

DR. SWETANG J SHAH M.D., M.P.H
Pediatrics
40910 FREMONT BLVD
FREMONT, CA 94538
Alameda County (510) 770-8040
JYOTI GUPTA
Internal Medicine (Infectious Disease)
40910 FREMONT BLVD
FREMONT, CA 94538
Alameda County (510) 252-6862
MRS. MAURINE BONKIYOY FORCHE NP
Nurse Practitioner (Family)
40910 FREMONT BLVD
FREMONT, CA 94538
Alameda County (510) 770-8040
DR. ZHENGXI CHEN
Dentist (General Practice)
40910 FREMONT BLVD
FREMONT, CA 94538
Alameda County (510) 770-8040
JOE WANG DMD
Dentist (General Practice)
40910 FREMONT BLVD
FREMONT, CA 94538
Alameda County (510) 252-6803
DR. SATYASREE S. KONDA M.D.
Internal Medicine
40910 FREMONT BLVD
FREMONT, CA 94538
Alameda County (510) 770-8040
REEMA MENEZES MD
Family Medicine
40910 FREMONT BLVD
FREMONT, CA 94538
Alameda County (510) 770-8040
MICHELLE JOSETTE EDWARDS PA
Physician Assistant
40910 FREMONT BLVD
FREMONT, CA 94538
Alameda County (510) 252-6862

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 Tarannum Guller's NPI number?

The NPI number for Tarannum Guller is 1972532083. It was assigned to this individual provider in the NPPES registry on July 1, 2006.

Where is Tarannum Guller located?

Tarannum Guller practices at 40910 Fremont Blvd, Fremont, CA 94538. The listed phone number is (510) 770-8040.

What is Tarannum Guller's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Tarannum Guller enrolled in Medicare?

Yes. Tarannum Guller 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 Tarannum Guller's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Tarannum Guller reassigns Medicare benefits to 6 organizations: Bay Area Community Health (Fremont, CA), County Of Santa Clara (Milpitas, CA), Quantum Bay Area Hospitalist Medical Group Inc (Mountain View, CA), Bass Medical Group (Castro Valley, CA), Merced Hospitalist Medical Group, Inc. (Merced, CA) and 1 more organization, listed in the Medicare section above. 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 Tarannum Guller'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 Tarannum Guller was last updated on October 23, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 days 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.