NPPES file of Aug 9, 2026

Roopa Rohini Rao-Karlamangla, M.D.

Obstetrics & Gynecology Physician · Simi Valley, CA

Roopa Rohini Rao-Karlamangla, M.D. is an obstetrics & gynecology physician with a practice address in Simi Valley, California, and NPI 1588650865, issued on Sep 22, 2005. Check the license (California G083232, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1588650865
Name
Roopa Rohini Rao-Karlamangla
Credential
M.D.
Primary taxonomy
Obstetrics & Gynecology Physician 207V00000X
License number
G083232 CA
Self-reported in NPPES; status is on the state search
Practice location
1687 Erringer RD, Simi Valley, CA 93065
Phone
(805) 526-6135
Enumerated
Sep 22, 2005
Record last updated
Feb 4, 2008 (not updated in 18 years: call before relying on the address or phone)
Fax
(805) 583-5139
Medicare enrollment
Enrolled (PECOS I20080103000662); accepts Medicare assignment
Medical or professional school
University Of Illinois College Of Med (Chi/Peor/Rock/Chm-Urb), 1992
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest obstetrics & gynecology physician records → All 5,088 in California → Look up another NPI →

Also registered at 1687 Erringer RD

A shared address usually means a shared clinic or building; it does not show who employs whom.

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  6. Nancy HerzenachMarriage & Family Therapist1093946089

Verify Roopa Rohini Rao-Karlamangla in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G083232    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

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84% more Medicare Part D claims than the average obstetrics & gynecology physician in 2024

304 Medicare Part D claims for 102 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 21% of claims.

  1. Roopa Rao-Karlamangla304
  2. Specialty average165

Most prescribed

  1. Estradiol124 claims
  2. Premarin22 claims
  3. Venlafaxine Hcl Er18 claims
  4. Valacyclovir16 claims
  5. Estradiol (Once Weekly)12 claims
  6. Estring11 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $51.73

2 payments; by number, the most common kind was food and beverage; the largest payer was Astellas Pharma US Inc. The 21,429 providers of this specialty with any payment received $1,030.61 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Roopa Rao-Karlamangla$51.73
  2. Specialty average$1,030.61

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Roopa Rohini Rao-Karlamangla among 5,088 obstetrics & gynecology physician records in California

Roopa Rohini Rao-Karlamangla, M.D. is one of 5,088 obstetrics & gynecology physician records with a practice address in California. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 95% newer
  • In a Medicare fileYes · 74% of these records are
  • In the CMS Doctors and Clinicians fileYes · 53% of these records are
  • Graduated1992 · median 2004 among the 2,700 with a school on file
  • Record last updated2008 · 64% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Obstetrics & Gynecology Physician providers in California

There are 5,088 obstetrics & gynecology physician records in California.

All 5,088 in California → Every provider in Simi Valley → Obstetrics & Gynecology Physician nationwide →

The 8 obstetrics & gynecology physician records with the nearest ZIP codes

  1. Sarah Garcia, D.O.Simi Valley, CA 930651790088714
  2. Catherine Kim, MDSimi Valley, CA 930651972596120
  3. John Koh, MDSimi Valley, CA 930651841283009
  4. Ga Lee, M.D.Simi Valley, CA 930651497918254
  5. Jennifer Lee, D.O.Simi Valley, CA 930651033502869
  6. Gerald Murphy, MDSimi Valley, CA 930651023001286
  7. Abigail NimzSimi Valley, CA 930651750736260
  8. Irene Tan, M.D.Simi Valley, CA 930651699942425

Common questions

What is Roopa Rohini Rao-Karlamangla, M.D.'s NPI number?

Roopa Rohini Rao-Karlamangla, M.D.'s National Provider Identifier (NPI) is 1588650865, issued on Sep 22, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Roopa Rohini Rao-Karlamangla, M.D. located?

The NPPES record lists a practice address at 1687 Erringer RD, Simi Valley, CA, 93065. Phone: (805) 526-6135. Providers update this record themselves, so call before visiting.

How can I verify Roopa Rohini Rao-Karlamangla, M.D.'s license?

NPPES lists California license number G083232, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Roopa Rohini Rao-Karlamangla, M.D. prescribe under Medicare Part D?

In 2024, Roopa Rohini Rao-Karlamangla, M.D. had 304 Medicare Part D claims for 102 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.